Publications
Please contact either Professor Unwin (P.R.Unwin@warwick.ac.uk) or Professor Macpherson (J.Macpherson@warwick.ac.uk) for copies of the papers or for further information.
Disclaimer: The documents on these associated webpages are subject to their respective publisher's copyrights.
2024
- K. J. Levey, J. V. Macpherson, Anal. Chem. 2024, 96, 23, 9561 - 9569
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J.J. Tully, I.M. Terrero Rodríguez, M. Kaewsen, G. F. Wood, D. Houghton, Y. Han, T. P. Mollart, J. V. Macpherson, Carbon 2024, 119261
- A. Dettlaff, J. J.Tully b §, G. F. Wood b, D. Chauhan b, B. G. Breeze, L. Song, J. V. Macpherson, Electrochimica Acta 485 (2024) 144035
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Quantitative Measurement Technique for Anodic Corrosion of BDD Advanced Oxidation Electrodes
J. J. Tully, D. Houghton, B. G. Breeze, T. P. Mollart, J. V. Macpherson, ACS Meas. Sci. Au 2024, 4, 267-27
2023
- Optical Super‐Localisation of Single Nanoparticle Nucleation and Growth in Nanodroplets
P. Ciocci, D. Valavanis, G. N. Meloni, J. F. Lemineur, P. R. Unwin, F. Kanoufi,ACS Sustainable Chem. Eng. 2023, 11, 4, 1459–1471
- B. Tao, I.J. McPherson, E. Daviddi, C. L .Bentley, P. R. Unwin,ACS Sustainable Chem. Eng. 2023, 11, 4, 1459–1471
- X. Xu, D. Valavanis, P. Ciocci, S. onfederat, F. Marcuccio, J.F. Lemineur, P. Actis, F. Kanoufi, P. R. Unwin,Anal. Chem. 2023, 95, 1, 319–356
- K. J. Levey, M. A. Edwards, H. S. White, J. V. Macpherson,Phys. Chem. Chem. Phys., 2023,25, 7832-7846
- E. Braxton, D. J. Fox, B. G. Breeze, J. J. Tully, K. J. Levey, M. E. Newton, J. V. Macpherson,ACS Meas. Sci. Au, 2023, 3, 1, 21–31
2022
- K. J. Levey, M. A. Edwards, H. S. White, J. V. Macpherson,Anal. Chem,2022, 94, 37, 12673–12682
- J. J. Tully, Z. Zhang, I. M. Terrero Rodriguez, L. Butcher, J. V. Macpherson
- E. Daviddi, V. Shkirskiy, P. M. Kirkman, M. P. Robin, C. L. Bentley, P. R. Unwin,J. Phys. Chem. C, 2022, 126, 35, 14897–14907
- D. L. Swinya, D. Martín-Yerga, M Walker, P. R. Unwin,J. Phys. Chem. C 2022, 126, 31, 13399–13408
- H. E. M. Hussein, G. Wood, D. Houghton, M. Walker, Y. Han, P. Zhao, R. Beanland, J. V. Macpherson,ACS Meas. Sci. Au,2022, 2, 5, 439 - 448
- D. Martín-Yerga, D. C. Milan, X. Xu, J. Fernández-Vidal, L. Whalley, A. J. Cowan, L. J. Hardwick, P. R. Unwin,Angew. Chemie. Int. Ed.2022, e202207184
- O.J. Wahab, M. Kang, E. Daviddi, M. Walker, P. R. Unwin, ACS Catal.2022, 12, 11, 6578-6588
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Probing and Visualizing Interfacial Charge at Surfaces in Aqueous SolutionLink opens in a new window
G. Caniglia, G. Tezcan, G.N. Meloni, P.R. Unwin and C. Kranz,Annual Review of Analytical Chemistry,2022, 15, 1, 247-267 - O. J. Wahab, M. Kang, G. Meloni, E. Daviddi, P. R. Unwin,Anal. Chem. 2022, 94, 11, 4729–4736
2021
- G. F. Wood, I. M. T. Rodríguez, J. J .Tully, S. Chaudhuri, J. V. Macpherson,J. Electrochem. Soc.,2021, 168, 126514.
- D. Martín-Yerga, M. Kang, and P. R. Unwin,ChemElectroChem,2021, 8, 22, 4240-4251.
- B. Chen, D. Perry, J. Teahan, I. J. McPherson, J. Edmondson, M. Kang, D. Valavanis, B. G. Frenguelli and P. R. Unwin,ACS Meas. Au,2021, 1, 6-10.
- Correlative operando microscopy of oxygen evolution electrocatalysts
J. Tyler Mefford, A. R. Akbashev, M. Kang, C. L. Bentley, W. E Gent, H. D. Deng, D. Hain Alsem, Y. Tu, N. J. Salmon, D. A. Shapiro, P. R. Unwin and W. C. Chueh,Nature,2021, 593, 67-74. - Microstructural origin of locally enhanced CO2electroreduction activity on gold
R. G. Mariano, M. K. Kang, O. J. Wahab, I. J. McPherson, J. A. Rabinowitz, P. R. Unwin and Kanan,Nat. Mater.,2021, https://doi.org/10.1038/s41563-021-00958-9. - Lifting the Lid on the Potentiostat: A Beginners Guide to Understanding Electrochemical Circuitry and Practical Operation
A. W. Colburn, K. J. Levey, D. O'Hare and J. V. Macpherson,Phys. Chem. Chem. Phys.,2021, 23, 8100-8117. - Unveiling the Contribution of the Reproductive System of IndividualCaenorhabditis eleganson Oxygen Consumption by Single-Point Scanning Electrochemical Microscopy Measurements
C. S. Santos, F. Macedo, A. J. Kowaltowski, M. Bertotti, P. R. Unwin, F. Marques da Cunha, and G. N. Meloni,Anal. Chim. Acta,2021, 1146, 88-97. - Nanoscale Electrochemistry in a Copper/Aqueous/Oil Three-phase System: Surface Structure-Activity-Corrosion Potential Relationships
E. Daviddi, V. Shkirskiy, P. Kirkman, M. P. Robin, C. L. Bentley and P. R. Unwin,Chem. Sci.,2021, 13, 3055-3069. - High pressure high temperature synthesis of highly boron doped diamond microparticles and porous electrodes for electrochemical applications
G. F. Wood, C. E. Zvorsite-Walters, M. G. Munday, M. E. Newton, V. Shkirskiy, P. R. Unwin and J. V. Macpherson,Carbon,2021, 171, 845-856.
2020
- Controlling palladium morphology in electrodeposition from nanoparticles to dendrites via the use of mixed solvents
H. E. M. Hussein, H. Amari, B. G. Breeze, R. Beanland and J. V. Macpherson,ACS Nano.,2020, 12, 21757-21769. - Scanning Ion Conductance Microscopy Reveals Differences in the Ionic Environments of Gram-Positive and Negative Bacteria
K. Cremin, B. A. Jones, J. Teahan, G. N. Meloni, D. Perry, C. Zerfass, M. Asally, O. S. Soyer and P. R. Unwin,Anal. Chem.,2020, 92, 16024-16032. - Combined Voltammetric Measurement of pH and Free Chlorine Speciation Using a Micro-Spot sp2Bonded Carbon-Boron Doped Diamond Electrode
A. J. Lucio and J. V. Macpherson,Anal. Chem.,2020, 92, 16072-16078. - Surface microstructural controls on electrochemical hydrogen absorption at polycrystalline palldium
L. C. Yule, E. Daviddi, G. West, C. L. Bentley and P. R. Unwin,J. Electroanal. Chem.,2020, 872, 114047. - Nanoscale kinetics of amorphous calcium carbonate precipitation in H2O and D2O
P. D. Morris, I. J. McPherson, G. N. Meloni and P. R. Unwin,Phys. Chem. Chem. Phys.,2020, 22, 22107-22115. - Quantitative trace level voltammetry in the presence of electrode fouling agents: Comparison of single-walled carbon nanotube network electrodes and screen-printed carbon electrodes
S. P.E., T. S. Miller, L. Meng, P. R. Unwin and J. V. Macpherson,J. Electroanal. Chem.,2020,872, 114137. - Correlating the Local Electrocatalytic Activity of Amorphous Molybdenum Sulfide Thin Films with Microscopic Composition, Structure and Porosity
C. L. Bentley, R. Aloston, B. Tao, M. Walker, X. Xu, A. P. O'Mullane and P. R. Unwin,ACS Applied Materials and Interfaces,2020,12, 44307-44316. - Electrochemical Impedance Measurements in Scanning Ion Conductance Microscopy
V. Shkirskiy, M. Kang, I. J. McPherson, C. L. Bentley, O. J. Wahab, E. Daviddi, A. W. Colburn and P. R. Unwin,Anal. Chem.,2020, 92, 12509-12517. - Ex-vivo Electrochemical pH Mapping of the Gastrointestinal Tract in the Absence and Presence of Pharmacological Agents
T. S. Rajan, T. L. Read, A. Abdalla, B. A. Patel and J. V. Macpherson,ACS Sens.,2020, 5, 2858-2865. - Electric Field‐Controlled Synthesis and Characterisation of Single Metal Organic Framework Nanoparticles
P. D. Morris, I. J. McPherson, M. A. Edwards, R. J. Kashtiban, R. I. Walton and P. R. Unwin,Angew. Chem. Int. Ed.,2020, 59, 19696-19701. - Scanning Electrochemical Cell Microscopy (SECCM) in Aprotic Solvents: Practical Considerations and Applications
C. L. Bentley, M. Kang and P. R. Unwin,Anal. Chem.,2020, 92, 11673-11680. - Assessment of acid and thermal oxidation treatments for removing sp2 bonded carbon from the surface of boron doped diamond
S. J. Cobb, F. H. J Laidlaw, G. West, G. Wood, M. E. Newton, R. Beanland and J. V. Macpherson,Carbon,2020, 167, 1-10. - Scanning Electrochemical Cell Microscopy: A Natural Tehcnique for Single Entity Electrochemistry
O. J. Wahab, M. Kang and P. R. Unwin,Current Opinion in Electrochemistry,2020, 22, 120-128. - Bioelectric understanding and engineering of cell biology
Z. Schofield, G. N. Meloni, P. Tran, C. Zerfass, G. Sena, Y. Hayashi, M. Grant, S. A. Contera, S. D. Minteer, M. Kim, A. Prindle, P. Rocha, M. B. A. Djamgoz, T. Pilizota, P. R. Unwin, M. Asally and O. S. Soyer,J. R. Soc. Interface,2020, 17, 20200013 - Nanoscale Scanning Electrochemical Cell Microscopy and Correlative Surface Structural Analysis to Map Anodic and Cathodic Reactions on Polycrystalline Zn in Acid Media
V. Shkirskiy, L. C. Yule, E. Daviddi, C. L. Bentley, J. Aarons, G. West and P. R. Unwin,J. Electrochem. Soc.,2020, 167, 041507. - Investigation of sp2-carbon pattern geometry in boron doped diamond electrodes for the electrochemical quantification of hypochlorite at high concentrations
A. J. Lucio, R. E. P. Meyler, M. A. Edwards and J. V. Macpherson,ACS Sens.,2020, 5, 789-797. - Synchronous Electrical Conductance- and Electron Tunnelling- Scanning Electrochemical Microscopy Measurements
J. F. Edmondson, G. N. Meloni, G. Costantini and P. R. Unwin,ChemElectroChem,2020, 7, 697-706. - Nanoscale Electrochemical Visualization of Grain-Dependent Anodic Iron Dissolution from Low Carbon Steel
L. C. Yule, V. Shkirskiy, J. Aarons, G. West, B. A. Shollock, C. L. Bentley and P. R. Unwin,Electrochim. Acta,2020, 332, 135267-135279. - Nanoscale Variations in the Electrocatalytic Activity of Layered Transition Metal Dichalcogenides
B. Tao, P. R. Unwin and C. L. Bentley,J. Phys. Chem. C,2020, 124, 789-798.
2019
- High-Throughput Correlative Electrochemistry-Microscopy at a Transmission Electron Microscopy (TEM) Grid Electrode
I. M. Ornelas, P. R. Unwin and C. L. Bentley,Anal. Chem.,2019, 91, 14854-14859. - Nanoscale Visualization and Multiscale Electrochemical Analysis of Conductive Polymer Electrodes
E. Daviddi, Z. Chen, B. B. Massani, J. Lee, C. L. Bentley, P. R. Unwin and E. L. Ratcliff,ACS Nano,2019, 13, 13271-13284. - Addressing the practicalities of anodic stripping voltammetry for heavy metal detection: a tutorial review
A. J. Borrill, N. E. Reily and J. V. Macpherson,Analyst,2019, 144, 6834-6849. - Nanoscale Active Sites for the Hydrogen Evolution Reaction on Low Carbon Steel
L. C. Yule, V. Shkirskiy, J. Aarons, G. West, C. L. Bentley, B. A. Shollock and P. R. Unwin,J. Phys. Chem. C 2019. Chemistry,2019, 129, 24146-24155. - Switching on Palladium Catalyst Electrochemical Removal from a Palladium Acetate - Acetonitrile System via Trace Water Addition
H. E. M. Hussein, A. D. Ray and J. V. Macpherson,Green Chemistry,2019, 21, 4662-4672. - Correlative Voltammetric Microscopy: Structure-Activity Relationships in the Microscopic Electrochemical Behavior of Screen Printed Carbon Electrodes
D. Martín-Yerga, A. Costa-García and P. R. Unwin,ACS Sens. 2019,2019, 4, 2173-2180. - Nanoscale Surface Structure-Activity in Electrochemistry and Electrocatalysis
C. L. Bentley, M. Kang and P. R. Unwin,J. Am. Chem. Soc., 2019, 141(6), 2179-2193. - Boron Doped Diamond as a Low Biofouling Material in Aquatic Environments: Assessment of Pseudomonas aeruginosa Biofilm Formation
L. Simcox, R. P. A. Pereira, E. M. Wellington and J. V. Macpherson,ACS Appl. Mater. Interfaces 2019,2019, 11, 25024-25033. - Impact of sp2Carbon Edge Effect on the Electron Transfer Kinetics of the Ferrocene/Ferricenium Process at a Boron Doped Diamond Electrode in an Ionic Liquid
J. Li, C. L. Bentley, Sze Y. Tan, V. S. S. Mosali, M. Rahman, S. J. Cobb, S. Guo, J. V. Macpherson, P. R. Unwin, A. M. Bond and J. Zhang,J Phys. Chem. C,2019, 123, 17397-17406. - Enhancing Square Wave Voltammetry Measurements via Electrochemical Analysis of the Non-Faradaic Potential Window
S. J. Cobb and J. V. Macpherson,Anal. Chem.,2019, 91 (12), 7935-7942. - Nanoscale Surface Charge Visualization of Human Hair
F. M. Maddar, D. Perry, R. Brooks, A. Page and P. R. Unwin,Anal. Chem,2019, 91 (7), 4632-4639 - Correlative Electrochemical Microscopy of Li‐Ion (De)intercalation at a Series of Individual LiMn2O4Particles
B. Tao, L. Yule, E. Daviddi, C. L. Bentley and P. R. Unwin,Angew. Chem. Int. Ed.,2019, 58, 4606-4611 - An sp2Patterned Boron Doped Diamond Electrode for the Simultaneous Detection of Dissolved Oxygen and pH
T. L. Read, S. J. Cobb, J. V. Macpherson,ACS Sens.,2019, 4 (3), 756-763 - Scanning Ion Conductance Microscopy: Quantitative Nanopipette Delivery–Substrate Electrode Collection Measurements and Mapping
B. Chen, D. Perry, A. Page, M. Kang and P. R. Unwin,Anal. Chem,2019, 91 (3), 2516-2524
2018
- Scanning electrochemical cell microscopy: A versatile method for highly localised corrosion related measurements on metal surfaces
L. C. Yule, C. L. Bentley, G. West, B. A. Shollock and P. R. Unwin,Electrochim. Acta,2019, 298, 80-88 - Metal support effects in electrocatalysis at hexagonal boron nitride
D. -Q. Liu, B. Tao, H. -C. Ruan, C. L. Bentley and P. R. Unwin,Chem. Commun.,2019, 55, 628-631 - Deconvoluting surface-bound quinone proton coupled electron transfer in unbuffered solutions: towards a universal voltammetric pH electrode
S. J. Cobb, Z. J. Ayres, M. E. Newton and J. V. Macpherson,J. Am. Chem. Soc.,2018, 141(2), 1035-1044 - Nanoscale Electrochemical Mapping
C. L. Bentley, J. Edmondson, G. N. Meloni, D. Perry, V. Shkirskiy and P. R. Unwin,Anal. Chem.,2019, 91(1), 84-108 - Nanoscale Surface Structure-Activity in Electrochemistry and Electrocatalysis
C. L. Bentley, M. Kang, and P. R. Unwin,J. Am. Chem. Soc.,2019, 141(6), 2179-2193 - Facet‐Resolved Electrochemistry of Polycrystalline Boron‐Doped Diamond Electrodes: Microscopic Factors Determining the Solvent Window in Aqueous Potassium Chloride Solutions
H.-Q. Liu, C.-H. Chen, D. Perry, G. West, S. J. Cobb, J. V. Macpherson and P. R. Unwin,ChemElectroChem,2018, 5(20), 3028-3035 - Tracking Metal Electrodeposition Dynamics from Nucleation and Growth of a Single Atom to a Crystalline Nanoparticle
H. E. M. Hussein, R. J. Maurer, H. Amari, J. J. P. Peters, L. Meg, R. Beanland, M. E. Newton, and J. V. Macpherson,ACS Nano,2018, 12(7), 7388-7396 - Double layer effects in voltammetric measurements with scanning electrochemical microscopy (SECM)
S.-Y. Tan, D. Perry, and P. R. Unwin,J. Electroanal. Chem.,2018, 819, 240–250 - Mobility and Poisoning of Mass-Selected Platinum Nanoclusters during the Oxygen Reduction Reaction
J. Ustarroz, I. M. Ornelas, G. Zhang, D. Perry, M. Kang, C. L. Bentley, M. Walker and P. R. Unwin,ACS Catal,2018,8(8), 6775-6790 - Stability and Placement of Ag/AgCl Quasi-Reference Counter Electrodes in Confined Electrochemical Cells
C. L. Bentley, D. Perry and P. R. Unwin,Anal. Chem.,2018, 90(12), 7700-7707 - Adsorption and Electrochemical Oxidation of Small Sulfur−Containing Anions on Pt Electrodes in Organic Media
C.-H. Chen, C. Brennan, S. C. S. Lai, D. J. Fermin and P. R. Unwin,ChemElectroChem,2018,5(16), 2228-2234 - Electrochemical characterization and regeneration of sulfur poisoned Pt catalysts in aqueous media
C.-H. Chen, A. Halford, M. Walker, C. Brennan, S. C. S. Lai, D. J. Fermin, P. R. Unwin, and P. Rodriguez,J. Electroanal. Chem.,2018, 816, 138-148 - Boron Doped Diamond: A Designer Electrode Material for the Twenty-First Century
S. J. Cobb, Z. J. Ayres, and J. V. Macpherson,Ann. Rev. Anal. Chem.,2018, 11, 463–484 - High resolution visualization of the redox activity of Li2O2in non-aqueous media: conformal layer vs. toroid structure
P. E. Sharel, M. Kang, P. Wilson, L. Meng, D. Perry, A. Basile, and P. R. Unwin,Chem. Commun,2018, 54, 3053–3056 - Local Surface Structure and Composition Control the Hydrogen Evolution Reaction on Iron Nickel Sulfides
C. L. Bentley, C. Andronescu, M. Smialkowski, M. Kang, T. Tarnev, B. Marler, P. R. Unwin, U. -P. Apfel, and W. Schuhmann,Angew. Chem. Int. Ed.,2018, 57 (15), 4093-4097 - Exploring the suitability of different electrode materials for hypochlorite quantification at high concentration in alkaline solutions
R. E. P. Meyler, M. A. Edwards, and J. V. Macpherson,Electrochem. Commun.,2018, 86, 21–25
2017
- Scanning electrochemical cell microscopy: New perspectives on electrode processes in action
C. L. Bentley, M. Kang and P. R. Unwin,Current Opinion in Electrochemistry,2017, 6, 23–30 - Confined Crystallization of Organic Materials in Nanopipettes: Tracking the Early Stages of Crystal Growth and Making Seeds for Unusual Polymorphs
F. M. Maddar, D. Perry, and P. R. Unwin,Cryst. Growth Des.,2017, 17 (12), 6565–6571 - Nanoscale Structure Dynamics within Electrocatalytic Materials
C. L. Bentley, M. Kang, and P. R. Unwin,J. Am. Chem. Soc.,2017, 139 (46), 16813–16821 - Calcium carbonate crystallisation at charged graphite surfaces
E. R. Ravenhill, M. Adobes-Vidal, and P. R. Unwin,Chem. Commun.,2017, 53, 12552–12555 - Differential-Concentration Scanning Ion Conductance Microscopy
D. Perry, A. Page, B. Chen, B. G. Frenguelli, and P. R. Unwin,Anal. Chem.,2017, 89 (22), 12458–12465 - Electrochemical Synthesis of Nanoporous Platinum Nanoparticles Using Laser Pulse Heating: Application to Methanol Oxidation
H. E. M. Hussein, H. Amari, and J. V. Macpherson,ACS Catal.,2017, 7 (10), 7388–7398 - Simultaneous Topography and Reaction Flux Mapping at and around Electrocatalytic Nanoparticles
M. Kang, D. Perry, C. L. Bentley, G. West, A. Page, and P. R. Unwin,ACS Nano,2017, 11 (9), 9525–9535 - Impact of chemical vapour deposition plasma inhomogeneity on the spatial variation of sp2 carbon in boron doped diamond electrodes
Z. J. Ayres, J. C. Newland, M. E. Newton, S. Mandal, O. A. Williams, and J. V. Macpherson,Carbon,2017, 121, 434–442 - Dissolution of Bicalutamide Single Crystals in Aqueous Solution: Significance of Evolving Topography in Accelerating Face-Specific Kinetics
F. M. Maddar, M. Adobes-Vidal, L. P. Hughes, S. A. C. Wren, and P. R. Unwin,Cryst. Growth Des.,2017, 17 (10), 5108–5116 - Electrochemical maps and movies of the hydrogen evolution reaction on natural crystals of molybdenite (MoS2): basal vs. edge plane activity
C. L. Bentley, M. Kang, F. M. Maddar, F. Li, M. Walker, J. Zhang, and P. R. Unwin,Chem. Sci.,2017, 8, 6583-6593 - Influence of Tip and Substrate Properties and Nonsteady-State Effects on Nanogap Kinetic Measurements: Response to Comment on “Impact of Adsorption on Scanning Electrochemical Microscopy Voltammetry and Implications for Nanogap Measurements”
S.-Y. Tan, J. Zhang, A. M. Bond, J. V. Macpherson, and P. R. Unwin,Anal. Chem.,2017, 89 (13), 7273–7276 - Fabrication of a single sub-micron pore spanning a single crystal (100) diamond membrane and impact on particle translocation
J. R. Webb, A. A. Martin, R. P. Johnson, M. B. Joseph, M. E. Newton, I. Aharonovich, M. Toth, and J. V. Macpherson,Carbon,2017, 122, 319-328 - Tracking the dissolution of calcite single crystals in acid waters: a simple method for measuring fast surface kinetics
M. Adobes-Vidal, H. Pearce, and P. R. Unwin,Phys. Chem. Chem. Phys.,2017, 19, 17827-17833 - Probing Electrode Heterogeneity using Fourier-Transformed Alternating Current Voltammetry: Protocol Development
S.-Y. Tan, P. R. Unwin, J. V. Macpherson, J. Zhang, and A. Bond,Electrochim. Acta,2017, 240, 514–521 - Quantitative 3D Visualization of the Growth of Individual Gypsum Microcrystals: Effect of Ca2+:SO42– Ratio on Kinetics and Crystal Morphology
M. M. Mbogoro, M. Peruffo, M. Adobes-Vidal, E. L. Field, M. A. O'Connell, and P. R. Unwin,J. Phys. Chem. C,2017, 121 (23), 12726–12734 - Multifunctional scanning ion conductance microscopy
A. Page, D. Perry, and P. R. Unwin,Proc. R. Soc. A,2017, 473, 2200 - Interfacial kinetics in a model emulsion polymerisation system using microelectrochemical measurements at expanding droplets (MEMED) and time lapse microscopy
E. E. Oseland, A. Rea, M. I. de Heer, J. D. Fowler, and P. R. Unwin,J. Colloid Interface Sci.,2017, 490, 703–709 - Comparison of fast electron transfer kinetics at platinum, gold, glassy carbon and diamond electrodes using Fourier-transformed AC voltammetry and scanning electrochemical microscopy
S.-Y. Tan, R. A. Lazenby, K. Bano, J. Zhang, A. Bond, J. V. Macpherson, and P. R. Unwin,Phys. Chem. Chem. Phys.,2017, 19, 8726-8734 - Multiscale Visualization and Quantitative Analysis of l-Cystine Crystal Dissolution
M. Adobes-Vidal, A. G. Shtukenberg, M. D. Ward, and P. R. Unwin,Cryst. Growth Des.,2017, 17 (4), 1766–1774 - Elucidating the Cathodic Electrodeposition Mechanism of Lead/Lead Oxide Formation in Nitrate Solutions
L. Meng, J. Ustarroz, M. E. Newton, and J. V. Macpherson,J. Phys. Chem. C,2017, 121 (12), pp 6835–6843 - Probing Electrode Heterogeneity Using Fourier-Transformed Alternating Current Voltammetry: Application to a Dual-Electrode Configuration
S.-Y. Tan, P. R. Unwin, J. V. Macpherson, J. Zhang, and A. M. Bond,Anal. Chem.,2017, 89 (5), 2830-2837 - Quantitative Visualization of Molecular Delivery and Uptake at Living Cells with Self-Referencing Scanning Ion Conductance Microscopy-Scanning Electrochemical Microscopy
A. Page, M. Kang, A. Armitstead, D. Perry, and P. R. Unwin,Anal. Chem.,2017, 89 (5), 3021-3028 - A synthetic diamond conductivity sensor: Design rules and applications
M. B. Joseph, A. Colburn, T. P. Mollart, N. Palmer, M. E. Newton, and J. V. Macpherson,Sens. Actuators, B,2017, 238, 1128–1135
2016
- Impact and oxidation of single silver nanoparticles at electrode surfaces: one shot versus multiple events
J. Ustarroz, M. Kang, E. Bullions, and P. R. Unwin,Chem. Sci.,2017, 8, 1841-1853 - Electrochemistry of Fe3+/2+ at Highly Oriented Pyrolytic Graphite (HOPG) Electrodes: Kinetics, Identification of Major Electroactive Sites and Time Effects on the Response
G. Zhang, S.-Y. Tan, A. N. Patel, and P. R. Unwin,Phys. Chem. Chem. Phys.,2016, 18, 32387-32395 - Quinone electrochemistry for the comparative assessment of sp2surface content of boron doped diamond electrodes
Z. J. Ayres, S. J. Cobb, M. E. Newton, and J. V. Macpherson,Electrochem. Commun.,2016, 72, 59–63 - Fast Nanoscale Surface Charge Mapping with Pulsed-Potential Scanning Ion Conductance Microscopy
A. Page, D. Perry, P. Young, D. Mitchell, B. G. Frenguelli, and P. R. Unwin,Anal. Chem.,2016, 88 (22), 10854–10859 - Electrochemical Control of Calcium Carbonate Crystallization and Dissolution in Nanopipettes
D. Perry, A. S. Parker, A. Page, and P. R. Unwin,ChemElectroChem,2016, 3 (12), 2212–2220 - Nanoscale Electrocatalysis of Hydrazine Electro-Oxidation at Blistered Graphite Electrodes
Sharel P.E., Y.-R. Kim, D. Perry, C. L. Bentley, and P. R. Unwin,ACS Appl. Mater. Interfaces,2016, 8 (44), 30458–30466 - Time-Resolved Detection of Surface Oxide Formation at Individual Gold Nanoparticles: Role in Electrocatalysis and New Approach for Sizing by Electrochemical Impacts
C. L. Bentley, M. Kang, and P. R. Unwin,J. Am. Chem. Soc.,2016, 138 (39), 12755–12758 - Write–Read 3D Patterning with a Dual-Channel Nanopipette
D. Momotenko, A. Page, M. Adobes-Vidal, and P. R. Unwin,ACS Nano,2016, 10 (9), 8871–8878 - Microscopic Studies of Calcium Sulfate Crystallization and Transformation at Aqueous–Organic Interfaces
E. R. Ravenhill, P. M. Kirkman, and P. R. Unwin,Cryst. Growth Des.,2016, 16 (10), 5887–5895 - Electrochemical oxidation of dihydronicotinamide adenine dinucleotide (NADH): comparison of highly oriented pyrolytic graphite (HOPG) and polycrystalline boron-doped diamond (pBDD) electrodes
F. M. Maddar, R. A. Lazenby, A. N. Patel, and P. R. Unwin,Phys. Chem. Chem. Phys.,2016, 18, 26404-26411 - Combinatorial localized dissolution analysis: Application to acid-induced dissolution of dental enamel and the effect of surface treatments
A. S. Parker, R. Al Botros, S. L. Kinnear, M. E. Snowden, K. McKelvey, A. T. Ashcroft, M. Carvell, A. Joiner, M. Peruffo, C. Philpotts, and P. R. Unwin,J. Colloid Interface Sci.,2016, 476, 94–102 - Nanoscale Electrochemistry of sp2 Carbon Materials: From Graphite and Graphene to Carbon Nanotubes
P. R. Unwin, A. G. Guell, and G. Zhang,Acc. Chem. Res.,2016, 49 (9), 2041–2048 - Surface patterning of polyacrylamide gel using scanning electrochemical cell microscopy (SECCM)
E. E. Oseland, Z. J Ayres, A. Basile, D. M. Haddleton, P. Wilson, and P. R. Unwin,Chem. Commun.,2016, 52, 9929-9932 - Low-Voltage Voltammetric Electrowetting of Graphite Surfaces by Ion Intercalation/Deintercalation
G. Zhang, M. Walker, and P. R. Unwin,Langmuir,2016, 32 (30), 7476–7484 - Frontiers in Nanoscale Electrochemical Imaging: Faster, Multifunctional, and Ultrasensitive
M. Kang, D. Momotenko, A. Page, D. Perry, and P. R. Unwin,Langmuir,2016, 32 (32), 7993–8008 - Face-Discriminating Dissolution Kinetics of Furosemide Single Crystals: In Situ Three-Dimensional Multi-Microscopy and Modeling
M. Adobes-Vidal, F. M. Maddar, D. Momotenko, L. P. Hughes, S. A. C. Wren, L. N. Poloni, M. D. Ward, and P. R. Unwin,Cryst. Growth Des.,2016, 16 (8), 4421–4429 - Intermittent-contact Scanning Electrochemical Microscopy (IC-SECM) as a Quantitative Probe of Defects in Single Crystal Boron Doped Diamond Electrodes
L. I. Tomlinson, H. V. Patten, B. L. Green, J. Iacobini, K. E. Meadows, K. McKelvey, P. R. Unwin, M. E. Newton, and J. V. Macpherson,Electroanal.,2016, 28 (10), 2297–2302 - Electrodeposition of Nickel Hydroxide Nanoparticles on Carbon Nanotube Electrodes: Correlation of Particle Crystallography with Electrocatalytic Properties
Sharel P.E., D. Liu, R. A. Lazenby, J. Sloan, M. Vidotti, P. R. Unwin, and J. V. MacphersonJ. Phys. Chem. C,2016, 120 (29), 16059–16068 - Importance of Mass Transport and Spatially Heterogeneous Flux Processes for in Situ Atomic Force Microscopy Measurements of Crystal Growth and Dissolution Kinetics
M. Peruffo, M. M. Mbogoro, M. Adobes-Vidal, and P. R. Unwin,J. Phys. Chem. C,2016, 120 (22), 12100–12112 - Characterization of Nanopipettes
D. Perry, D. Momotenko, R. A. Lazenby, M. Kang, and P. R. Unwin,Anal. Chem.,2016, 88 (10), 5523–5530 - Quantitative analysis of trace palladium contamination in solution using electrochemical X-ray fluorescence (EC-XRF)
Z. J. Ayres, M. E. Newton, and J. V. Macpherson,Analyst,2016, 141, 3349-3357 - Additive Manufacturing for Electrochemical (Micro)Fluidic Platforms
R. B. Channon, M. B. Joseph, and J. V. Macpherson,Electrochem. Soc. Interface,2016, 25 (1), 63-68 - Versatile Polymer-Free Graphene Transfer Method and Applications
G. Zhang, A. G. Güell, P. M. Kirkman, R. A. Lazenby, T. S. Miller and P. R. Unwin,ACS Appl. Mater. Interfaces,2016, 8 (12), 8008–8016 - One-Electron Oxidation of [M(PtBu3)2] (M=Pd, Pt): Isolation of Monomeric [Pd(PtBu3)2]+and Redox-Promoted C−H Bond Cyclometalation
T. Troadec, S.-Y. Tan, C. J. Wedge, J. P. Rourke, P. R. Unwin and A. B. Chaplin,Angew. Chem. Int. Ed.,2016, 55 (11), 3754–3757 - Impact of Adsorption on Scanning Electrochemical Microscopy Voltammetry and Implications for Nanogap Measurements
S.-Y. Tan, J. Zhang, A. M. Bond, J. V. Macpherson and P. R. Unwin,Anal. Chem.,2016, 88 (6), 3272–3280 - Surface Charge Visualization at Viable Living Cells
D. Perry, B. P. Nadappuram, D. Momotenko, P. D. Voyias, A. Page, G. Tripathi, B. G. Frenguelli, and P. R. Unwin,J. Am. Chem. Soc.,2016, 138 (9), 3152-3160 - Simultaneous Interfacial Reactivity and Topography Mapping with Scanning Ion Conductance Microscopy
D. Momotenko, K. McKelvey, M. Kang, G. N. Meloni, and P. R. Unwin,Anal. Chem.,2016, 88 (5), 2838–2846 - Electrochemistry of Ferrocene Derivatives at Highly Oriented Pyrolytic Graphite (HOPG): Quantification and Impact of Surface Adsorption
A. S. Cuharuc, G. Zhang and P. R. Unwin,Phys. Chem. Chem. Phys.,2016, 18, 4966-4977 - Assessment of Boron Doped Diamond Electrode Quality and Application to In Situ Modification of Local pH by Water Electrolysis
T. L. Read and J. V. Macpherson,J. Vis. Exp.,2016, 107, e53484
2015
- Manipulation and Measurement of pH sensitive Ligand-Metal Binding Using Electrochemical Proton Generation and Metal Detection
T. L. Read, M. B. Joseph and J. V. Macpherson,Chem. Comm.,2016, 52, 1863-1866 - Controlled sp2Functionalization of Boron Doped Diamond as a route for the Fabrication of Robust and Nernstian pH Electrodes
Z. J. Ayres, A. J. Borrill, J. C. Newland, M. E. Newton and J. V. Macpherson,Anal. Chem.,2016, 88 (1), 974-980 - Electrodeposition and Screening of (Photo)electrochemical Activity in Conjugated Polymers Using Scanning Electrochemical Cell Microscopy
B. D. B. Aaronson, J. Garoz-Ruiz, J. C. Byers, A. Colina and P. R. Unwin,Langmuir,2015, 31 (46), 12814-12822 - Impact of Surface Chemistry on Nanoparticle-Electrode Interactions in the Electrochemical Detection of Nanoparticle Collisions
C.-H. Chen, E. R. Ravenhill, D. Momotenko, Y.-R. Kim, S. C. S. Lai and P. R. Unwin,Langmuir,2015, 31 (43), 11932-11942 - Single Molecule Electrochemical Detection in Aqueous Solutions and Ionic Liquids
J. C. Byers, B. P. Nadappuram, D. Perry, K. McKelvey, A. W. Colburn and P. R. Unwin,Anal. Chem.,2015, 87 (20), 10450-10456 - Graphene electrochemistry
R. A. W. Dryfe and P. R. Unwin,J. Electroanal. Chem.,2015, 753, 1-46. - Controlled Functionalisation of Single-Walled Carbon Nanotube Network Electrodes for the Enhanced Voltammetric Detection of Dopamine
S. P. E, T. Miller, J. V. Macpherson and P. R. Unwin,Phys. Chem. Chem. Phys.,2015, 17, 26394-26402 - Electrochemical Flow Injection Analysis of Hydrazine in an Excess of an Active Pharmaceutical Ingredient: Achieving Pharmaceutical Detection Limits Electrochemically
R. B. Channon, M. B. Joseph, E. Bitziou, A. W.T. Bristow, A. D. Ray, and J. V. Macpherson,Anal. Chem.,2015, 87 (19), 10064-10071 - Electrochemical Electron Paramagnetic Resonance Utilizing Loop Gap Resonators and Micro-Electrochemical Cell
M. E. Newton, J. V. Macpherson, P. R. Unwin and M. Tamski,Phys. Chem. Chem. Phys.,2015, 17, 23438-23447 - High-Speed Electrochemical Imaging
D. Momotenko , J. C. Byers , K. McKelvey , M. Kang , and P. R. Unwin,ACS Nano,2015, 9 (9), 8942-8952 - Time-Resolved Detection and Analysis of Single Nanoparticle Electrocatalytic Impacts
M. Kang, D. Perry, Y.-R. Kim, A. W. Colburn, R. A. Lazenby, P. R. Unwin,J. Am. Chem. Soc.,2015,137 (34), 10902-10905 - Simultaneous Nanoscale Surface Charge and Topographical Mapping
D. Perry, R. Al Botros, D. Momotenko, S. L. Kinnear and P. R. Unwin,ACS Nano,2015, 9 (7), 7266-7276 - Nucleation and Aggregative Growth of Palladium Nanoparticles on Carbon Electrodes: Experiment and Kinetic Model
Y.- R. Kim, S. C. S. Lai, K. McKelvey, G. Zhang, D. Perry, T. S. Miller, and P. R. Unwin,J. Phys. Chem. C,2015, 119 (30), 17389-17397. - Hopping intermittent contact-scanning electrochemical microscopy (HIC-SECM) as a new local dissolution kinetic probe: application to salicylic acid dissolution in aqueous solution
A. R. Perry, R. A. Lazenby, M. Adobes-Vidal, M. Peruffo, K. McKelvey, M. E. Snowden and P. R. Unwin,CrystEngComm.,2015, 17, 7835-7843. - Voltammetric scanning electrochemical cell microscopy: dynamic imaging of hydrazine electro-oxidation on platinum electrodes
C.-H. Chen, L. Jacobse, K. McKelvey, S. C. S. Lai, M. T.M. Koper and P. R. Unwin,Anal. Chem.,2015, 87 (11), 5782-5789 - Diminished Electron Transfer Kinetics for [Ru(NH3)6]3+/2+, [α-SiW12O40]4–/5–, and [α-SiW12O40]5–/6–Processes at Boron-Doped Diamond Electrodes
K. Bano, J. Zhang, P. R. Unwin, J. V. Macpherson and A. M. Bond,J. Phys. Chem. C,2015, 119 (22), 12464-12472 - Pt nanoparticle modified single walled carbon nanotube network electrodes for electrocatalysis: Control of the specific surface area over three orders of magnitude
T. S. Miller, S. Sansuk, S. Pei, S. C.S. Lai, J. V. Macpherson and P. R. Unwin,Catal. Today,2015, 244, 136-145. - Direct Identification and Analysis of Heavy Metals in Solution (Hg, Cu, Pb, Zn, Ni) by Use of in Situ Electrochemical X-ray Fluorescence
G. D. O. Neil, M. E. Newton, and J. V. Macpherson,Anal. Chem.,2015, 87 (9), 4933–4940 - Electrochemistry at highly oriented pyrolytic graphite (HOPG): lower limit for the kinetics of outer-sphere redox processes and general implications for electron transfer models
G. Zhang, A. S. Cuharuc, A. G. Güell and P. R. Unwin,Phys. Chem. Chem. Phys.,2015,17, 11827-11838 - Scanning Electrochemical Cell Microscopy Platform for Ultrasensitive Photoelectrochemical Imaging
B. D. B. Aaronson, J. C. Byers, A. W. Colburn, K. McKelvey and P. R. Unwin,Anal. Chem.,2015, 87 (8), 4129-4133. - Redox-Dependent Spatially Resolved Electrochemistry at Graphene and Graphite Step Edges
A. G. Güell, A. S. Cuharuc, Y.-R. Kim, G. Zhang, S.-Y. Tan, N. Ebejer and P. R. Unwin,ACS Nano,2015, 9 (4), 3558-3571. - Quad-Barrel Multifunctional Electrochemical and Ion Conductance Probe for Voltammetric Analysis and Imaging
B. P. Nadappuram, K. McKelvey, J. C. Byers, A. G. Güell, A. W. Colburn, R. A. Lazenby and P. R. Unwin,Anal. Chem.,2015, 87 (7), 3566-3573. - Scanning Electrochemical Microscopy (SECM) of Photoinduced Electron Transfer Kinetics at Liquid/Liquid Interfaces
F. Lei and P. R. Unwin,J. Phys. Chem. C,2015, 119 (8), 4031–4043
2014
- A practical guide to using boron doped diamond in electrochemical research
J. V. Macpherson,Phys. Chem. Chem. Phys.,2015, 17, 2935-2949. - Nucleation, aggregative growth and detachment of metal nanoparticles during electrodeposition at electrode surfaces
S. C. S. Lai, R. A. Lazenby, P. M. Kirkman and P. R. Unwin,Chem.Sci.,2015, 6, 1126-1138. - Electrochemical "read-write" microscale patterning of boron doped diamond electrodes
H. V. Patten, L. A. Hutton, J. R. Webb, M. E. Newton, P. R. Unwin and J. V. Macpherson,Chem. Comm.,2015, 51, 164-167. - Nanoscale visualization of redox activity at lithium-ion battery cathodes
Y. Takahashi, A. Kumatani, H. Munakata, H. Inomata, K. Ito, K. Ino, H. Shiku, P. R. Unwin, Y. E. Korchev, K. Kanamura, T. Matsue,Nat Commun.,2014, 5, 1-7 - Concluding remarks: there's nowt so queer as carbon electrodes
P. R. Unwin,Faraday Discuss.,2014, 172, 521–532. - In-situ Optimization of pH for Parts-Per-Billion Electrochemical Detection of Dissolved Hydrogen Sulfide Using Boron Doped Diamond Flow Electrodes
E. Bitziou, M. B. Joseph, T. L. Read, N. Palmer, T. P. Mollart, M. E. Newton, and J. V. Macpherson,Anal. Chem.,2014, 86 (21), 10834–10840 - Surface Charge Mapping with a Nanopipette
K. McKelvey, S. L. Kinnear, D. Perry, D. Momotenko, and P. R. Unwin,J. Am. Chem. Soc.,2014, 136 (39), 13735–13744. - A new approach for the fabrication of microscale lipid bilayers at glass pipets: application to quantitative passive permeation visualization.
K. E. Meadows, B. P. Nadappuram and P. R. Unwin,Soft Matter,2014,10, 8433–8441 - Selection, characterisation and mapping of complex electrochemical processes at individual single-walled carbon nanotubes: the case of serotonin oxidation
A. G. Güell, K. E. Meadows, P. V. Dudin, N. Ebejer, J. C. Byers, J. V. Macpherson and P. R. Unwin,Faraday Discuss.,2014, 172, 439–455. - Positionable Vertical Microfluidic Cell Based on Electromigration in a Theta Pipet
M. A. O'Connell, M. E. Snowden, K. McKelvey, F. Gayet, I. Shirley, D. M. Haddleton and P. R. Unwin,Langmuir,2014, 30 (33), 10011–10018 - Nanoscale Electrocatalysis: Visualizing Oxygen Reduction at Pristine, Kinked, and Oxidized Sites on Individual Carbon Nanotubes
J. C. Byers , A. G. Güell, P R. Unwin,J. Am. Chem. Soc.,2014, 136 (32), 11252–11255 - Dual-electrode measurements in a meniscus microcapillary electrochemical cell using a high aspect ratio carbon fibre ultramicroelectrode
T. S. Miller, J. V. Macpherson and P. R. Unwin,J. Electroanal.Chem.,2014, 729, 80–86 - Molecular Functionalization of Graphite Surfaces: Basal Plane vs Step Edge Electrochemical Activity
G. Zhang, P. M. Kirkman, A. N. Patel, A. S. Cuharuc, K. McKelvey and P. R. Unwin,J. Am. Chem. Soc.,2014, 136 (32), 11444–11451 - High resolution mapping of oxygen reduction reaction kinetics at polycrystalline platinum electrodes
C.-H. Chen, K. E. Meadows, A. S. Cuharuc, S. C. S. Lai and P. R. Unwin,Phys. Chem. Chem. Phys.,2014, 16, 18545–18552 - Measurement of the efficacy of calcium silicate for the protection and repair of dental enamel
A. S. Parker, A. N. Patel, R. Al Botros, M. E. Snowden, K. McKelvey, P. R. Unwin, A. T. Ashcroft, M. Carvell, A Joiner and M. Peruffo,Journal of Dentistry,2014, 42, S1, S21–S29 - A Fabrication Route for the Production of Co-Planar, Diamond Insulated, Boron Doped Diamond Macro and Microelectrodes of any Geometry
M. B. Joseph, E. Bitziou, T. L. Read, L. Meng, N. L. Palmer, T. P. Mollart, M. E. Newton and J. V. Macpherson,Anal. Chem.,2014, 86 (11), 5238–5244. - Laser Heated Boron Doped Diamond Electrodes: Effect of Temperature on Outer Sphere Electron Transfer Processes
L. Meng, J. G. Iacobini, M. Joseph, J. V. Macpherson and M. E. Newton,Faraday Discuss.,2014, 172, 421–438 - Electrochemical X-ray Fluorescence Spectroscopy (EC-XRF) for Trace Heavy Metal Analysis: Enhancing XRF Detection Capabilities by Four Orders of Magnitude
L. A. Hutton, G. D. O'Neil, T. L. Read, Z. J. Ayres, M. E. Newton and J. V. Macpherson,Anal. Chem.,2014, 86 (9), 4566–4572 - Bias Modulated Scanning Ion Conductance Microscopy
K. McKelvey, D. Perry, J. C. Byers, A. W. Colburn and P. R. Unwin,Anal. Chem.,2014, 86 (7), 3639–3646 - Investigation of molecular partitioning between non polar oil droplets and aqueous solution using double potential step chronoamperometry
J. C. Newland, P. R. Unwin and J. V. Macpherson,Phys. Chem. Chem. Phys.,2014, 16, 10456–10463 - Electrochemistry of nanoparticles
S. E. F. Kleijn, S. C. S. Lai, M. T. M. Koper, P. R. Unwin,Angewandte Chemie,2014, 53 (15), 3558–3586 - Electrochemical activation of pristine single walled carbon nanotubes: impact on oxygen reduction and other surface sensitive redox processes
T. S. Miller, J. V. Macpherson and P. R. Unwin,Phys. Chem. Chem. Phys.,2014, 16, 9966–9973 - Spatially Resolved Electrochemistry in Ionic Liquids: Surface Structure Effects on Triiodide Reduction at Platinum Electrodes
B. D. B. Aaronson, S. C. S. Lai and P. R. Unwin,Langmuir,2014, 30 (7), 1915–1919
2013
- Electrochemical Nanoprobes for Single-Cell Analysis
P. Actis, S. Tokar, J. Clausmeyer, B. Babakinejad, S. Mikhaleva, R. Cornut, Y. Takahashi, A. López Córdoba, P. Novak, A. I. Shevchuck, J. A. Dougan, S. G. Kazarian, P. V. Gorelkin, A. S. Erofeev, I. V. Yaminsky, P. R. Unwin, W. Schuhmann, D. Klenerman, D. A. Rusakov, E. V. Sviderskaya, and Y E. Korchev,ACS Nano,2014, 8 (1), 875–884 - Spatial and Temporal Control of the Diazonium Modification of sp2Carbon Surfaces
P. M. Kirkman, A. G. Güell, A. S. Cuharuc and P. R. Unwin,J. Am. Chem. Soc.,2014, 136 (1), 36–39 - In-situ Control of Local pH using a Boron Doped Diamond Ring Disk Electrode: Optimizing Heavy Metal (Mercury) Detection
T. L. Read, E. Bitziou, M. B. Joseph and J. V. Macpherson,Anal. Chem.,2014, 86 (1), 367–371 - Mapping Nanoscale Electrochemistry of Individual Single-Walled Carbon Nanotubes
A. G. Güell, K. E. Meadows, P. V. Dudin, N. Ebejer, J. V. Macpherson and P. R. Unwin,Nano Lett.,2014, 14 (1), 220–224 - Comparison and Reappraisal of Carbon Electrodes for the Voltammetric Detection of Dopamine
A. N. Patel , S. Tan , T. S. Miller , J. V. Macpherson and P. R. Unwin,Anal. Chem.,2013, 85 (24), 11755–11764 - Dual-Barrel Conductance Micropipet as a New Approach to the Study of Ionic Crystal Dissolution Kinetics
S. L. Kinnear, K. McKelvey, M. E. Snowden, M. Peruffo, A. W. Colburn, and P. R. Unwin,Langmuir,2013, 29 (50), 15565–15572 - Selective detection of hydrazine in the presence of excess electrochemically active pharmaceutical ingredients, using Boron Doped Diamond Metal Nanoparticle Functionalised Electrodes
R. B. Channon, J. C. Newland, A. W. T. Bristow, A. D. Ray, and J. V. Macpherson,Electroanalysis,2013, 25 (12), 2613–2619 - Investigation of film formation properties during electrochemical oxidation of serotonin (5-HT) at polycrystalline boron doped diamond
A.N. Patel, P. R.Unwin and J.V.Macpherson,Phys. Chem. Chem. Phys.,201341(15), 18085-18092 - Fabrication and Characterization of Dual Function Nanoscale pH-Scanning Ion Conductance Microscopy (SICM) Probes for High Resolution pH Mapping
B. P. Nadappuram, K. McKelvey, R. Al-Botros, A. W. Colburn, and P. R. Unwin,Anal. Chem.,2013, 85 (17), 8070–8074 - Epinephrine Electro-oxidation Highlights Fast Electrochemistry at the Graphite Basal Surface
A. N. Patel, S. Tan, and P. R. Unwin,Chem. Comm.,2013, 49 (78), 8776–8778 - Nanoscale intermittent contact-scanning electrochemical microscopy
R. A. Lazenby, K. McKelvey, M. Peruffo, M. Baghdadi, and P. R. Unwin ,J. Solid State Electr.,2013, 17 (12), 2979-2987 - Fabrication, Characterization and Functionalization of Dual Carbon Electrodes as Probes for Scanning Electrochemical Microscopy (SECM)
K. McKelvey, B. P. Nadappuram, P. Actis, Y. Takahashi, Y. E. Korchev, T. Matsue, C. Robinson, and P. R. Unwin,Anal. Chem.,2013, 85 (15), 7519–7526 - Examination of the Factors Affecting the Electrochemical Performance of Oxygen Terminated Polycrystalline Boron Doped Diamond Electrodes
L. A. Hutton, J. G. Iacobini, E. Bitziou, R. B. Channon, M. E. Newton, and J. V. Macpherson,Anal. Chem.,2013, 85 (15), 7230–7240 - Quantitative Local Photosynthetic Flux Measurements at Isolated Chloroplasts and Thylakoid Membranes using Scanning Electrochemical Microscopy (SECM)
K. McKelvey, S. Martin, C. Robinson, and P. R. Unwin,J. Phys. Chem. B,2013, 117 (26), 7878–7888 - Boron doped diamond ultramicroelectrodes: a generic platform for sensing single nanoparticle electrocatalytic collisions
D. Wakerley, A. G. Güell, L. A. Hutton, T. S. Miller, A. J. Bard, and J. V. Macpherson,Chem. Comm.,201349, 5657–5659 - Scanning Electrochemical Cell Microscopy: A Versatile Technique for Nanoscale Electrochemistry and Functional Imaging
N. Ebejer, A. G. Güell, S. C. S. Lai, K. McKelvey, M. E. Snowden, and P. R. Unwin,Ann. Rev. Anal. Chem.,2013, 6, 329–351 - Dual electrode micro-channel flow cell for redox titrations: Kinetics and analysis of homogeneous ascorbic acid oxidation
E. Bitziou, M. E. Snowden, M. B. Joseph, S. J. Leigh, J. A. Covington, J. V. Macpherson, and P. R. Unwin,J. Electroanal. Chem.,2013, 692, 72–79 - Meniscus Confined Fabrication of Multidimensional Conducting Polymer Nanostructures with Scanning Electrochemical Cell Microscopy
K. McKelvey, M. O'Connell, and P. R. Unwin,Chem. Commun.,2013, 49, 2986-2988 - Intrinsic electrochemical activity of single walled carbon nanotube-Nafion assemblies
M. E. Snowden, M. A. Edwards, N. C. Rudd, J. V. Macpherson, and P. R. Unwin,Phys. Chem. Chem. Phys.,2013, 15, 5030–5038 - Pseudo-single crystal electrochemistry on polycrystalline electrodes: Visualizing activity at grains and grain boundaries on platinum for the Fe2+/Fe3+redox reaction
B. D. B. Aaronson, C.-H. Chen, H. Li, M. T. M. Koper, S. C. S. Lai, and P. R. Unwin,J. Am. Chem. Soc.,2013, 135 (10), 3873–3880 - Hopping Intermittent Contact-Scanning Electrochemical Microscopy (HIC-SECM): Visualizing Interfacial Reactions and Fluxes from Surfaces to Bulk Solution
R. A. Lazenby, K. McKelvey, and P. R. Unwin,Anal. Chem.,2013, 85 (5), 2937–2944 - Quantitative Plane-Resolved Crystal Growth and Dissolution Kinetics by Coupling In Situ Optical Microscopy and Diffusion Models: The Case of Salicylic Acid in Aqueous Solution
A. R. Perry, M. Peruffo, and P. R. Unwin,Cryst. Growth Des.,2013, 13 (2), 614–622
2012
- Nanoscale Electrochemical Patterning Reveals the Active Sites for Catechol Oxidation at Graphite Surfaces
A. N. Patel, K. McKelvey, and P. R. Unwin,J. Am. Chem. Soc.,2012, 134 (50), 20246–20249 - Holistic Approach to Dissolution Kinetics: Linking Direction-Specific Microscopic Fluxes, Local Mass Transport Effects and Global Macroscopic Rates from Gypsum Etch Pit Analysis
M. Peruffo, M. Mbogoro, M. A. Edwards, and P. R. Unwin,Phys. Chem. Chem. Phys.,2013, 15, 1956–1965 - Ultra-sensitive Detection of Dopamine Using a Carbon Nanotube Network Microfluidic Flow Electrode
S. Sansuk, E. Bitziou, J. A. Covington, M. B. Joseph, M. G. Boutelle, P. R. Unwin, and J. V. Macpherson,Anal. Chem.,2013, 85 (1), 163–169 - A New View of Electrochemistry at Highly Oriented Pyrolytic Graphite (HOPG)
A. N. Patel, M. Guille Collignon, M. A. O’Connell, W. O. Y. Hung, K. McKelvey, J. V. Macpherson, and P. R. Unwin,J. Am. Chem. Soc.,2012,134 (49), 20117–20130 - Landing and Catalytic Characterization of Individual Nanoparticles on Electrode Surfaces
S. E. F. Kleijn, S. C. S. Lai, T. S. Miller, A. Yanson, M. T. M. Koper, and P. R. Unwin,J. Am. Chem. Soc.,2012, 134 (45), 18558–18561 - In situ scanning electrochemical probe microscopy for energy applications
S. C. S. Lai, J. V. Macpherson, and P. R. Unwin,MRS Bulletin,2012,37, 668-674. - Electrochemical Mapping Reveals Direct Correlation between Heterogeneous Electron-Transfer Kinetics and Local Density of States in Diamond Electrodes
H. V. Patten, K. E. Meadows, L. A. Hutton, J. G. Iacobini, D. Battistel, K.McKelvey, A. W. Colburn, M. E. Newton, J. V. Macpherson, and P. R. Unwin,Angew. Chem. Int. Ed.,2012,51 (28), 7002-7006 - The contrasting chemical reactivity of potent isoelectronic iminopyridine and azopyridine osmium(II) arene anticancer complexes
Y. Fu, M. J. Romero, A. Habtemariam, M. E. Snowden, L. Song, G. J. Clarkson, B. Qamar, A. M. Pizarro, P. R. Unwin, and P. J. Sadler,Chem. Sci.,2012, 3, 2485-2494 - Quantitative Localized Proton-Promoted Dissolution Kinetics of Calcite using Scanning Electrochemical Microscopy (SECM)
C.-A. McGeouch, M. Peruffo, M. A. Edwards, L. Dexter, R. Lazenby, M. Mbogoro, K. McKelvey, and P. R. Unwin,J. Phys. Chem. C,2012, 116 (28), 14892-14899 - Active Sites for Outer-Sphere, Inner-Sphere, and Complex Multistage Electrochemical Reactions at Polycrystalline Boron-Doped Diamond Electrodes (pBDD) Revealed with Scanning Electrochemical Cell Microscopy (SECCM)
H. V. Patten, S. C. S. Lai, J. V. Macpherson, and P. R. Unwin,Anal. Chem.,2012,84 (12), 5427-5432 - Electrochemistry at carbon nanotube forests: sidewalls and closed ends allow fast electron transfer
T. S. Miller, N. Ebejer, A. G. Güell, J. V. Macpherson, and P. R. Unwin,Chem. Commun.,2012, 48, 7435-7437 - Topographical and electrochemical nanoscale imaging of living cells using voltage-switching mode scanning electrochemical microscopy
Y. Takahashi, A. I. Shevchuk, P. Novak, B. Babakinejad, J. V. Macpherson, P. R. Unwin, H. Shiku, J. Gorelik, D. Klenerman, Y. E. Korchev, and T. Matsue,Proc. Natl. Acad. Sci. USA,2012, 109 (29), 11540-11545 - Quantitative nanoscale visualization of heterogeneous electron transfer rates in 2D carbon nanotube networks
A. G. Güell, N. Ebejer, M. E. Snowden, K. McKelvey, J. V. Macpherson, and P. R. Unwin,Proc. Natl. Acad. Sci. USA,2012, 109 (29), 11487-11492 - Evanescent Wave Cavity Ring-Down Spectroscopy (EW-CRDS) as a Probe of Macromolecule Adsorption Kinetics at Functionalized Interfaces
M. A. O’Connell, A. de Cuendias, F. Gayet, I. M. Shirley, S. R. Mackenzie, D. M. Haddleton, and P. R. Unwin,Langmuir,2012, 28 (17), 6902–6910 - Structural Correlations in Heterogeneous Electron Transfer at Monolayer and Multilayer Graphene Electrodes
A. G. Güell, N. Ebejer, M. E. Snowden, J. V. Macpherson, and P. R. Unwin,J. Am. Chem. Soc.,2012, 134 (17), 7258–7261 - Definitive Evidence for Fast Electron Transfer at Pristine Basal Plane Graphite from High-Resolution Electrochemical Imaging
S. C. S. Lai, A. N. Patel, K. McKelvey, and P. R. Unwin.,Angew. Chem. Int. Ed.,2012,51 (22), 5405 –5408 - Development of a Novel Combined Scanning Electrochemical Microscope (SECM) and Scanning Ion-Conductance Microscope (SICM) Probe for Soft Sample Imaging
A. J. Pollard, N. Faruqui, M. Shaw, C. A. Clifford, Y. Takahashi, Y. E. Korchev, N. Ebejer, J. V. Macpherson, P. R. Unwin, and D. Roy,MRS Proceedings,2012, 1422 - Evanescent Wave Cavity Ringdown Spectroscopy: A Platform for the Study of Supported Lipid Bilayers
H. V. Powell, M. A. O’Connell, M. Zhang, S. R. Mackenzie, and P. R. Unwin,Anal. Chem.,2012, 84 (5), 2585-2591 - Scanning Electrochemical Cell Microscopy: Theory and Experiment for Quantitative High Resolution Spatially-Resolved Voltammetry and Simultaneous Ion-Conductance Measurements
M. E. Snowden, A. G. Güell, S. C. S. Lai, K. McKelvey, N. Ebejer, M. A. O’Connell, A. W. Colburn, and P. R. Unwin,Anal. Chem.,2012, 84 (5), 2483-2491
2011
- Electrochemistry at Nanoscale Electrodes (NSEs): Individual Single Walled Carbon Nanotubes (SWNTs) and SWNT-Templated Metal Nanowires
P. V. Dudin, M. E. Snowden, J. V. Macpherson, and P. R. Unwin,ACS Nano,2011, 5 (12), 10017-10025 - Multifunctional Nanoprobes for Nanoscale Chemical Imaging and Localized Chemical Delivery at Surfaces and Interfaces
Y. Takahashi, A. I. Shevchuk, P. Novak, Y. Zhang, N. Ebejer, J. V. Macpherson, P. R. Unwin, A. J. Pollard, D. Roy, C. A. Clifford, H. Shiku, T. Matsue, D. Klenerman, and Y. E. Korchev,Angew. Chem. Int. Ed.,2011, 50 (41), 9638-9642 - Dissolution Kinetics of Polycrystalline Calcium Sulfate-Based Materials: Influence of Chemical Modification
R. Fisher, M. M. Mbogoro, M. E. Snowden, M. Joseph, J. Covington, P. R. Unwin and R. I. Walton,ACS Appl. Mater. Interfaces,2011, 3 (9), 3528-3537 - Electro-oxidation of hydrazine at gold nanoparticle functionalised single walled carbon nanotube network ultramicroelectrodes
P. V. Dudin, P. R. Unwin, and J. V. Macpherson,Phys. Chem. Chem. Phys.,2011, 13, 17146-17152 - Quantitative Visualization of Molecular Transport through Porous Membranes: Enhanced Resolution and Contrast Using Intermittent Contact-Scanning Electrochemical Microscopy
K. McKelvey, M. E. Snowdon, M. Peruffo, and P. R, Unwin,Anal. Chem.,2011,83 (17), 9447-6454 - Visualizing zeptomole (electro)catalysis at single nanoparticles within an ensemble
S. C. S. Lai, P. V. Dudin, J. V. Macpherson, and P. R. Unwin,J. Am. Chem. Soc.,2011, 133 (28), 10744-10747 - Influence of ultrathin poly-(3,4-ethylenedioxythiophene) (PEDOT) film supports on the electrodeposition and electrocatalytic activity of discrete platinum nanoparticles
H. V. Patten, E. Ventosa, A. Colina, V. Ruiz, J. Lopez-Palacios, A. J. Wain, S. C. S. Lai, J. V. Macpherson, and P. R. Unwin,J. Solid State Electr.,2011, 15 (11-12), 2331-2339 - Pulling Nanotubes from Supported Bilayers
J. W. Armond, J. V. Macpherson, and M. S. Turner,Langmuir,2011, 27 (13), 8269–8274 - Fabrication and Characterization of an All-Diamond Tubular Flow Microelectrode for Electroanalysis
L. A. Hutton, M. Vidotti, J. G. Iacobini, C. Kelly, M. E. Newton, P. R. Unwin, and J. V. Macpherson,Anal. Chem.,2011, 83 (14), 5804-5808 - Intrinsic Kinetics of Gypsum and Calcium Sulfate Anhydrite Dissolution: Surface Selective Studies under Hydrodynamic Control and the Effect of Additives
M. M. Mbogoro, M. E. Snowden, M. A. Edwards, M. Peruffo, and P. R. Unwin,J. Phys. Chem. C,2011, 115 (20), 10147-10154 - Field ionization using densely spaced arrays of nickel-tipped carbon nanotubes
J. Luo, L. P. Mark, A. E. Giannakopulos, A. W. Colburn, J. V. Macpherson, T. Drewello, P. J. Derrick, A. S. Teh, K. B.K. Teo, and W. I. Milne,Chem. Phys. Lett.,2011, 505 (4-6), 126–129 - Scanning electrochemical microscopy (SECM) studies of catalytic EC′ processes: theory and experiment for feedback, generation/collection and imaging measurements
S. Cannan, J. Cervera, R. J. Steliaros (née Haskins), E. Bitziou, A. L. Whitworth, and P. R. Unwin,Phys. Chem. Chem. Phys.,2011, 13, 5403-5412 - Silver-decorated carbon nanotube networks as SERS substrates
Y-C. Chen, R. J. Young, J. V. Macpherson, and N. R. Wilson,J. Raman Spectrosc.,2011, 42 (6), 1255–1262 - Quantitative Analysis and Application of Tip Position Modulation-Scanning Electrochemical Microscopy
M. A. Edwards, A. L. Whitworth, and P. R. Unwin,Anal. Chem.,2011, 83 (6), 1977-1984 - Scanning Probe Microscopy: Taking a closer look at conductivity
J. V. Macpherson,Nature Nanotechnol.,2011, 6 (2), 84-85 - Visualisation of electrochemical processes at optically transparent carbon nanotube ultramicroelectrodes (OT-CNT-UMEs)
A. Rutkowska, T. M. Bawazeer, J. V. Macpherson, and P. R. Unwin,Phys. Chem. Chem. Phys.,2011, 13, 5223-5226 - Single Walled Carbon Nanotube Channel Flow Electrode: Hydrodynamic Voltammetry at the Nanomolar Level
M. E. Snowden, P. R. Unwin, and J. V. Macpherson,Electrochem. Commun.,2011, 13 (2), 186-189 - Factors Controlling Stripping Voltammetry of Lead at Polycrystalline Boron Doped Diamond Electrodes: New Insights from High-Resolution Microscopy
L. A. Hutton, M. E. Newton, P. R. Unwin, and J. V. Macpherson,Anal. Chem.,2011, 83 (3), 735-745 - Protein crystallization at oil/water interfaces
B. R. Silver, V. Fülöp, and P. R. Unwin,New J. Chem.,2011, 35, 602-606
2010
- Electrodeposition of Nickel Hydroxide Nanoparticles on Boron-Doped Diamond Electrodes for Oxidative Electrocatalysis
L. A. Hutton, M. Vidotti, A. N. Patel, M. E. Newton, P. R. Unwin, and J. V. Macpherson,J. Phys. Chem. C.,2011, 115 (5), 1649-1658 - Scanning Electrochemical Microscopy as a Quantitative Probe of Acid-Induced Dissolution: Theory and Application to Dental Enamel
C.-A. McGeouch, M. A. Edwards, M. Mbogoro, C. Parkinson, and P. R. Unwin,Anal. Chem.,2010, 82 (22), 9233-9328 - Localized High Resolution Electrochemistry and Multifunctional Imaging: Scanning Electrochemical Cell Microscopy
N. Ebejer, M. Schnippering, A. W. Colburn, M. A. Edwards, and P. R. Unwin,Anal. Chem.,2010, 82 (22), 9141-9145 - Evanescent wave cavity-based spectroscopic techniques as probes of interfacial processes
M. Schnipering, S. R. T. Neil, S. R. Mackenzie, and P. R. Unwin,Chem. Soc. Rev.,2011,40, 207-220 - Trace voltammetric detection of serotonin at carbon electrodes: comparison of glassy carbon, boron doped diamond and carbon nanotube network electrodes
A. G. Güell, K. E. Meadows, P. R. Unwin, and J. V. Macpherson,Phys. Chem. Chem. Phys.,2010,12, 10108-10114 - Probing Redox Reactions of Immobilized Cytochrome c Using Evanescent Wave Cavity Ring-Down Spectroscopy in a Thin-Layer Electrochemical Cell
H. V. Powell, M. Schnippering, M. Cheung, J. V. Macpherson, S. R. Mackenzie, V. G. Stavros and, P. R. Unwin,ChemPhysChem.,2010, 11 (13), 2985-2991 - Electrochemical Nucleation and Growth of Gold Nanoparticles on Single-Walled Carbon Nanotubes: New Mechanistic Insights
P. V. Dudin, P. R. Unwin, and J. V. Macpherson,J. Phys. Chem. C,2010, 114 (31), 13241-13248 - Microelectrode systems for the study of photochemical processes in solution
E. Bitziou, N. C. Rudd, S. Szunerits, and P. R. Unwin,J. Electroanal. Chem.,2010, 646 (1-2), 60-67 - Intermittent Contact-Scanning Electrochemical Microscopy (IC-SECM): A New Approach for Tip Positioning and Simultaneous Imaging of Interfacial Topography and Activity
K. McKelvey, M. A. Edwards, and P. R. Unwin,Anal. Chem.,2010, 82 (15), 6334-6337 - Fabrication of Versatile Channel Flow Cells for Quantitative Electroanalysis Using Prototyping
M. E. Snowden, P. H. King, J. A. Covington, J. V. Macpherson, and P. R. Unwin,Anal. Chem.,2010, 82 (8), 3124–3131 - Kinetics of Porphyrin Adsorption and DNA-Assisted Desorption at the Silica−Water Interface
M. Zhang, H. V. Powell, S. R. Mackenzie, and P. R. Unwin,Langmuir,2010, 26 (6), 4004-4012 - Electron transfer kinetics at single-walled carbon nanotube electrodes using scanning electrochemical microscopy
I. Dumitrescu, P. V. Dudin, J. P. Edgeworth, J. V. Macpherson, and P. R. Unwin,J. Phys. Chem. C,2010, 114 (6), 2633-263
2009
- Following interfacial kinetics in real time using broadband evanescent wave cavity-enhanced absorption spectroscopy: a comparison of light emitting diodes and supercontinuum sources
L. van der Sneppen, G. Hancock, C. Kaminski, T. Laurila, S. R. Mackenzie, S. R. T. Neil, R. Peverall, G. A. D. Ritchie, M. Schnippering, and P. R. Unwin,Analyst,2010, 135, 133-139 - Real-Time Monitoring of Polyaniline Nanoparticles Formation on Surfaces
M. Schnippering, H. V. Powell, S. R. Mackenzie, and P. R. Unwin,J. Phys. Chem. C,2009, 113 (47), 20221-20227 - Electrochemical Impedance Spectroscopy at Single-Walled Carbon Nanotube Network Ultramicroelectrodes
I. Dumitrescu, P. R. Unwin, and J. V. Macpherson,Electrochem. Commun.,2009, 11 (11), 2081-2084 - Potential-assisted Assembly of Functionalised Platinum Nanoparticles on Electrode Surfaces
M. Peruffo, P. Contreras-Carballada, P. Bertoncello, R. M. Williams, L. De Cola, and P. R. Unwin,Electrochem. Commun,2009, 11 (10), 1885-1887 - Electrochemistry at Carbon Nanotubes: Perspectives and Issues
I. Dumitrescu, P. R. Unwin, and J. V. Macpherson,Chem. Commun.,2009, 45, 6886-6901 - Horizontal Alignment of Chemical Vapor-Deposited SWNTs on Single-Crystal Quartz Surfaces: Further Evidence for Epitaxial Alignment
A. Rutkowska, D. Walker, S. Gorfman, P. A. Thomas, and J. V. Macpherson,J. Phys. Chem. C,2009, 113 (39), 17087-17096 - Synthesis and Electrochemical Properties of TTF Modified Oligodeoxynucleotides
M. Schnippering, A. Zahn, S.-X. Liu, C. Leumann, S. Decurtins, and D. J. Fermin,Chem. Commun.,2009, 5552-5554 - Effects of Metal Underlayer Grain Size on Carbon Nanotube Growth
D. P. Burt, M. W. Whyte, J. R. Weaver, A. Glidle, J. P. Edgeworth, J. V. Macpherson, and P. S. Dobson,J. Phys. Chem. C,2009, 113 (34), 15133-15139 - Carbon Nanotube Tips for Atomic Force Microscopy
N. R. Wilson and J. V. Macpherson,Nat. Nanotechnol.,2009, 4, 483-491 - Ultrathin Carbon Nanotube Mat Electrodes for Enhanced Amperometric Detection
I. Dumitrescu, J. P. Edgeworth, P. R. Unwin, and J. V. Macpherson,Adv. Mater.,2009, 21 (30), 3105-3109 - Scanning Ion Conductance Microscopy: a Model for Experimentally Realistic Conditions and Image Interpretation
M. A. Edwards, C. G. Williams, A. L. Whitworth, and P. R. Unwin,Anal. Chem.,2009, 81 (11), 4482-4492 - Slow Diffusion Reveals the Intrinsic Electrochemical Activity of Basal Plane Highly Oriented Pyrolytic Graphite Electrodes
M. A. Edwards, P. Bertoncello, and P. R. Unwin,J. Phys. Chem. C,2009, 113 (21), 9218-9223 - Humphry Davy and the Royal Institution of Great Britain
P. R. Unwin and R. W. Unwin,Notes Rec. R. Soc.,2009, 63 (1), 7-33 - Scanning Micropipet Contact Method for High-Resolution Imaging of Electrode Surface Redox Activity
C. G. Williams, M. A. Edwards, A. L. Colley, J. V. Macpherson, and P. R. Unwin,Anal. Chem.,2009, 81 (7), 2486–2495 - Polyaniline Langmuir–Blodgett films: formation and properties
J. Zhang, D. P. Burt, A. L. Whitworth, D. Mandler, and P. R. Unwin,Phys. Chem. Chem. Phys.,2009, 11, 3490-3496 - Silver Particle Nucleation and Growth at Liquid/Liquid Interfaces: A Scanning Electrochemical Microscopy Approach
F. Li, M. Edwards, J. Guo, and P. R. Unwin,J. Phys. Chem. C,2009, 113 (9), 3553-3565
2008
- Amperometric Oxygen Sensor Based on a Platinum Nanoparticle-Modified Polycrystalline Boron Doped Diamond Disk Electrode
L. Hutton, M. E. Newton, P. R. Unwin, and J. V. Macpherson,Anal. Chem.,2009, 81 (3), 1023-1032 - Reply to Missner et al.: Timescale for passive diffusion across bilayer lipid membranes
J. M. A. Grime, M. A. Edwards, and P. R. Unwin,PNAS,2008, 105 (52), E124 - Evanescent Wave Cavity Ring-Down Spectroscopy as a Probe of Interfacial Adsorption: Interaction of Tris(2,2′-bipyridine)ruthenium(II) with Silica Surfaces and Polyelectrolyte Films
H. V. Powell, M. Schnippering, M. Mazurenka, J. V. Macpherson, S. R. Mackenzie, and P. R. Unwin,Langmuir,2009, 25 (1), 248-255 - Evanescent Wave Broadband Cavity Enhanced Absorption Spectroscopy using Supercontinuum Radiation: A New Probe of Electrochemical Processes
M. Schnippering, M. Mazurenka, P. R. Hult, T. Laurila, C. F. Kaminski, J. M. Langridge, R. L. Jones, P. R. Unwin, and S. R. Mackenzie,Electrochem. Commun.,2008, 10, 1827-1830 - Nucleation and growth of poly(3,4-ethylenedioxythiophene) thin films on highly oriented pyrolytic graphite (HOPG) electrodes
E. Ventosa, J. L. Palacios, and P. R. Unwin,Electrochem. Commun.,2008, 10, 1752-1755 - Effect of high rates of mass transport on oxygen reduction at copper electrodes: Implications for aluminium corrosion
A. L. Colley, J. V. Macpherson, and P. R. Unwin,Electrochem. Commun.,2008, 10 (9), 1334-1336 - Quantitative visualization of passive transport across bilayer lipid Membranes
J. M. A. Grime, M. A. Edwards, N. C. Rudd, and P. R. Unwin,PNAS,2008, 105 (38), 14277–14282 - Protein crystals make it big at electrode surfaces
B. R. Silver and P. R. Unwin,Chem. Commun.,2008, 5179-5181 - Surface Assembly and Redox Dissolution of Silver Nanoparticles Monitored by Evanescent Wave Cavity Ring-Down Spectroscopy
M. Schnippering, H. V. Powell, M. Zhang, M. Mazurenka, J. V. Macpherson, S. R. Mackenzie, and P. R. Unwin,J. Phys. Chem. C,2008, 112 (39), 15274–15280 - In-Situ Atomic Force Microscopy (AFM) Imaging: Influence of AFM Probe Geometry on Diffusion to Microscopic Surfaces
D. P. Burt, N. R. Wilson, U. Janus, J. V. Macpherson, and P. R. Unwin,Langmuir,2008, 24 (22), 12867–12876 - Scanning Electrochemical Microscopy of Redox-Mediated Hydrogen Evolution Catalyzed by Two-Dimensional Assemblies of Palladium Nanoparticles
F. Li, I. Ciani, P. Bertoncello, P. R. Unwin, J. Zhao, C. R. Bradbury, and D. J. Fermin,J. Phys. Chem. C,2008, 112 (26), 9686–9694 - Minimally invasive spatial and temporal concentration profiling within working glucose biosensors
D. P. Burt and P. R. Unwin,Electrochem. Commun.,2008, 934–937 - Incorporation of Functionalized Palladium Nanoparticles within Ultrathin Nafion Films: A Nanostructured Composite for Electrolytic and Redox-Mediated Hydrogen Evolution
F. Li, P. Bertoncello, I. Ciani, G. Mantovani, and P. R. Unwin,Adv. Funct. Mater.,2008, 18 (11), 1–9 - Functional Electrochemically-Active Ultra-thin Nafion Films
P. Bertoncello, M. Peruffo, F. Li, and P. R. Unwin,Colloids and Surfaces A: Physicochem. Eng. Aspects,2008, 321 (1-3), 222–226 - Polarised Liquid/liquid Micro-Interfaces Move During Charge Transfer
S. E. C. Dale and P. R. Unwin,Electrochem. Commun.,2008, 10 (5), 723–726 - Single-Walled Carbon Nanotube Network Ultramicroelectrodes
I. Dumitrescu, P. R. Unwin, N. R. Wilson, and J. V. Macpherson,Anal. Chem.,2008, 80 (10), 3598–3605 - Laser Scanning Confocal Microscopy Coupled with Hydraulic Permeability Measurements for Elucidating Fluid Flow across Porous Materials: Application to Human Dentine
C. G. Williams, J. V. Macpherson, P. R. Unwin, and C. Parkinson,Anal. Sci.,2008, 24, 437–442 - In-Situ Measurement of Colloidal Gold Adsorption on Functionalized Silica Surfaces
M. Mazurenka, S. M. Hamilton, P. R. Unwin, and S. R. Mackenzie,J. Phys. Chem. C,2008, 112 (16), 6462–6468
2007
- Scanning Electrochemical Microscopy
S. Amemiya, A. J. Bard, F-R. F. Fan, M. V. Mirkin, and P. R. Unwin,Annu. Rev. Anal. Chem.,2008, 1, 95–131 - Investigation of molecular transfer processes across phospholipid monolayers by the combined scanning electrochemical microscopy – Langmuir trough technique
J. Strutwolf, J. Zhang and P. R. Unwin,Prog. React. Kinet. Mech.,2007,31, 195–217 - Single-Walled Carbon Nanotube Networks Decorated with Silver Nanoparticles: A Novel Graded SERS Substrate
Y. Chen, R. J. Young, J. V. Macpherson and N. R. Wilson,J. Phys. Chem. C,2007,111(44), 16167–16173 - Electrochemical and Photophysical Properties of Ruthenium(II) Bipyridyl Complexes with Pendant Alkanethiol Chains in Solution and Anchored to Metal Surfaces
A. D'Aleo, R. M. Williams, Y. Chriqui, V. M. Iyer, P. Belser, F. Vergeer, V. Ruiz, P. R. Unwin, L. De Cola ,Open Inorg. Chem. J.,2007,1, 26–36 - Nafion-Tris(2-2'-bipyridyl)ruthenium(II) Ultrathin Langmuir-Schaefer Films: Redox Catalysis and Electrochemiluminescent Properties
P. Bertoncello, L. Dennany, R. J. Forster and P. R. Unwin,Anal. Chem.,2007,79(19), 7549–7553 - One-step formation of ultra-thin chemically functionalized redox-active Langmuir–Schaefer Nafion films
P. Bertoncello, N. R. Wilson and P. R. Unwin,Soft Matter.2007,3, 1300–1307 - Trace Level Cyclic Voltammetry Facilitated by Single-Walled Carbon Nanotube Network Electrodes
P. Bertoncello, J. P. Edgeworth, J. V. Macpherson and P. R. Unwin,J. Am. Chem. Soc.2007,129(36), 10982–10983 - Functionalizing Single-Walled Carbon Nanotube Networks: Effect on Electrical and Electrochemical Properties
I. Dumitrescu, N. R. Wilson and J. V. Macpherson,J. Phys. Chem. C2007,111(35), 12944–12953. - Pigment composition and adaptation in free-living and symbiotic strains ofAcaryochloris marina
Y. Chan, A. Nenninger, S. J. H. Clokie, N. H. Mann, D. J. Scanlan, A. L. Whitworth and M. R. J. Clokie ,FEMS Microbiology Ecology2007,61(1), 65–73 - ‘A devotion to the experimental sciences and arts’: the subscription to the great battery at the Royal Institution 1808–9
P. Unwin and R. Unwin,The British Journal for the History of Science2007,40 (2), 181–203 - Microjet ring electrode (MJRE): Development, modelling and experimental characterisation
E. Bitziou, N. C. Rudd and P. R. Unwin,J. Electroanal. Chem.2007,602(2), 263–274 - Controlled Growth and Characterization of Two-Dimensional Single-Walled Carbon-Nanotube Networks for Electrical Applications
J. R. Edgeworth, N. R. Wilson and J. V. Macpherson,Small2007,3(5), 860-870 - Formation and evaluation of electrochemically-active ultra-thin palladium–Nafion nanocomposite films
P. Bertoncello, M. Peruffo and P.R. Unwin,Chem. Commun.2007, 1597-1599 - Synthesis of azide/alkyne-terminal polymers and application for surface functionalisation through a [2 + 3] Huisgen cycloaddition process,"click chemistry"
G. Chen, L. Tao, G. Mantovani, V. Ladmiral, D. P. Burt, J. V. Macpherson and D. M. Haddleton,Soft Matter.2007,3, 732–739 - Surface-Active Mononuclear and Dinuclear Ru(II) Complexes based on Thio-substituted Terpyridines Bearing Cyclodextrin Recognition Units
M. J. J. P. Silva, P. Bertoncello, N. N. Daskalakis, N. Spencer, B. M. Kariuki, P. R. Unwin and Z. Pikramenou,Supramol. Chem.2007,19, 115-127 - Concluding Remarks: Crystal growth and nucleation: tracking precursors to polymorphs
P. R. Unwin,Faraday Discuss.2007,136, 409-416 - Measurement of rapid electron transfer across a liquid/liquid interface from 7,7,8,8-tetracyanoquinodimethane radical anion in 1,2-dichloroethane to aqueous tris(2,2-bipyridyl)-ruthenium (III)
F. Li, A. L. Whitworth and P. R. Unwin,J. Electroanal. Chem.2007,602(1), 70-76
2006
- Factors Controlling the Electrodeposition of Metal Nanoparticles on Pristine Single Walled Carbon Nanotubes
T. M. Day, P. R. Unwin and J. V. Macpherson,Nano Lett.2007,7(1), 51-57 - Kinetics of Solute Partitioning into Ultrathin Nafion Films on Electrode Surfaces: Theory and Experimental Measurement
P. Bertoncello, I. Ciani, D. Marenduzzo and P. R. Unwin,J. Phys. Chem. C2007,111(1), 294-302 - Scanning electrochemical microscopy: principles and applications to biophysical systems
M. A. Edwards, S. Martin, A. L. Whitworth, J. V. Macpherson and P. R. Unwin,Physiol. Meas.2006,27, R63-R108 - Assessment of the Electrochemical Behavior of Two-Dimensional Networks of Single-Walled Carbon Nanotubes
N. R. Wilson, M. Guille, I. Dumitrescu, V. R. Fernandez, N. C. Rudd, C. G. Williams, P. R. Unwin, and J. V. Macpherson,Anal. Chem.2006,78(19), 7006-7015 - Evanescent Wave Cavity Ring-Down Spectroscopy in a Thin-Layer Electrochemical Cell
M. Mazurenka, L. Wilkins, J. V. Macpherson, P. R. Unwin, and S. R. Mackenzie,Anal. Chem.2006,78(19), 6833-6839 - Measurement of Apparent Diffusion Coefficients within Ultrathin Nafion Langmuir-Schaefer Films: Comparison of a Novel Scanning Electrochemical Microscopy Approach with Cyclic Voltammetry
P. Bertoncello, I. Ciani, F. Li, and P. R. Unwin,Langmuir2006,22(25), 10380-10388 - Effect of composition on the conductivity and morphology of poly(3-hexylthiophene)/gold nanoparticle composite Langmuir-Schaeffer films
P. G. Nicholson, V. Ruiz, J. V. Macpherson and P. R. Unwin,Phys. Chem. Chem. Phys.2006,8, 5096 - 5105 - In situ monitoring of crystal growth and dissolution of oriented layered double-hydroxide crystals immobilized on silicon
H. C. Greenwell, L. A. Bindley, P. R. Unwin, P. J. Holliman, W. Jones, P. V. Coveney and S. L. Barnes,J. Cryst. Growth2006,294 (1), 53 - 59 - Formation of polyaniline/Pt nanoparticle composite films and their electrocatalytic properties
A. P. O'Mullane, S. E. Dale, T. M. Day, N. R. Wilson, J. V. Macpherson and P. R. Unwin,J. Solid State Electrochem.2006,10, 792-807 - Electron beam lithographically-defined scanning electrochemical-atomic force microscopy probes: fabrication method and application to high resolution imaging on heterogeneously active surfaces
P. S. Dobson, J. M. R. Weaver, D. P. Burt, M. N. Holder, N. R. Wilson, P. R. Unwin and J. V. Macpherson,Phys. Chem. Chem. Phys.2006,8, 3909-3914 - Adsorption Dynamics and Electrochemical and Photophysical Properties of Thiolated Ruthenium 2,2'-Bipyridine Monolayers
P. Bertoncello, E. T. Kefalas, Z. Pikramenou, P. R. Unwin, and R. J. Forster,J. Phys. Chem. B2006,110(20), 10063-10069 - Modes of Action of a Weak Acid Modifier of Calcite Growth
P. S. Dobson, L. A. Bindley, J. V. Macpherson, P. R. Unwin,Chem. Phys. Chem.2006,7(5), 1019-1021 - Examination of the Spatially Heterogeneous Electroactivity of Boron-Doped Diamond Microarray Electrodes
A. L. Colley, C. G. Williams, U. D'Haenens Johansson, M. E. Newton, P. R. Unwin, N. R. Wilson, J. V. Macpherson,Anal. Chem.2006,78(8), 2539-2548 - Impact of Grain-Dependent Boron Uptake on the Electrochemical and Electrical Properties of Polycrystalline Boron Doped Diamond Electrodes
N. R. Wilson, S. L. Clewes, M. E. Newton, P. R. Unwin, J. V. Macpherson,J. Phys. Chem. B2006,110(11), 5639-5646 - Luminescent nanobeads : attachment of surface reactive Eu(III) complexes to gold nanoparticles
D. J. Lewis, T. M. Day, J. V. Macpherson, Z. Pikramenou,Chem. Comm.2006,13, 1433-1435 - Visualisation and Modeling of the Hydrodynamics of an Impinging Microjet
E. Bitziou, N. C. Rudd, M. A. Edwards, P. R. Unwin,Anal. Chem.2006,78(5), 1435-1443
2005
- Combined Scanning Electrochemical-Atomic Force Microscopy (SECM-AFM) : Simulation and Experiment for Flux-Generation at Un-insulated Metal-Coated Probes
M. N. Holder, C. E. Gardner, J. V. Macpherson, P. R. Unwin,J. Electroanal. Chem.2005,585, 8-18 - Scanning Electrochemical Microscopy as an in vitro technique for measuring convective flow rates across dentine and the efficacy of surface blocking treatments
J. V. Macpherson, P. R. Unwin,Electroanal.2005,817, 197-204 - Molecular Ordering and 2D Conductivity in Ultrathin Poly(3-hexylthiophene)/Gold Nanoparticle Composite Films
V. Ruiz, P. G. Nicholson, S. Jollands, P. A. Thomas, J. V. Macpherson, P. R. Unwin,J. Phys. Chem. B2005,109, 19335-19344 - Theory of Scanning Electrochemical Microscopy (SECM) as a probe of surface conductivity
A. L. Whitworth, D. Mandler, P. R. Unwin,Phys. Chem. Chem. Phys.2005,7, 356-365 - Quartz Crystal Microbalance (QCM) Monitoring of Grafting of a Biotin-Functionalized Polymer onto an Avidin Monolayer
V. Ladmiral, G. Mantovani, J. Macpherson, D. M. Haddleton, K. Ohno, Y. Tsujii, T. Fukuda,Polymer Preprints (Am. Chem. Soc., Div. Polym. Chem.)2005,46, 366-367 - Fluorescence Confocal Laser Scanning Microscopy as a Probe of pH Gradients in Electrode Reactions and Surface Activity
N. C. Rudd, S. Cannan, E. Bitziou, I. Ciani, A. L. Whitworth, P. R. Unwin,Anal. Chem.2005,77, 6205-6217 - Electrochemical Templating of Metal Nanoparticles and Nanowires on Single-Walled Carbon Nanotube Networks
T. M. Day, P. R. Unwin, N. R. Wilson, J. V. Macpherson,J. Am. Chem. Soc.2005,127, 10639-10647 - Correlation of Membrane Structure and Transport Activity using combined Scanning Electrochemical-Atomic Force Microscopy
C. E Gardner, P. R. Unwin, J. V. Macpherson,Electrochem. Commun.2005,7, 612-618 - Scanning Electrochemical Microscopy as a probe of Ag+ binding kinetics at Langmuir phospholipid monolayers
D. P. Burt, J. Cervera, D. Mandler, J. V. Macpherson, J. A. Manzanares, P. R. Unwin,Phys. Chem. Chem. Phys.2005,7, 2955-2964 - Assembly of thin mesoporous titania films and their effects on the voltammetry of weakly adsorbing redox systems
K. McKenzie, P. M. King, F. Marken, C. E. Gardner, J. V. Macpherson,J. Electroanal. Chem.2005,579, 267-275 - Nanowire Probes for High Resolution Combined Scanning Electrochemical Microscopy-Atomic Force Microscopy
D. P. Burt, N. R. Wilson, J. M. Weaver, P. S. Dobson, J. V. Macpherson,Nano Lett.2005,5, 639-643 - An unusual soluble beta-turn rich conformation of prion is involved in fibril formation and toxic to neuronal cells
J. Kazlauskaite, A. Young, C. E. Gardner, J. V. Macpherson, C. Venien-Bryan, T. J. Pinheiro,Biochem. Bioph. Res. Co.2005,328, 292-305 - Atomic Force Microscopy Investigation of the Mechanism of Calcite Microcrystal Growth under Kitano Conditions
P. S. Dobson, L. A. Bindley, J. V. Macpherson, P. R. Unwin,Langmuir2005,21, 1255-1260 - Enhanced visible photoluminescence in ultrathin poly(3-hexylthiophene) films by incorporation of Au nanoparticles
P. G. Nicholson, V. Ruiz, J. V. Macpherson, P. R. Unwin,Chem. Commun.2005,8, 1052-1054
2004
- Characterization of Batch-Microfabricated Scanning Electrochemical-Atomic Force Microscopy Probes
P. S. Dobson, J. M. R. Weaver, M. N. Holder, P. R. Unwin, J. V. Macpherson,Anal. Chem.2005,77, 424-434 - Electrochemical and Conductivity Measurements of Single-Wall Carbon Nanotube Network Electrodes
T. M. Day, N. R. Wilson, J. V. Macpherson,J. Am. Chem. Soc.,2004,126, 16724-16756 - Scanning electrochemical microscopy investigation of the photodegradation kinetics of 4-chlorophenol sensitized by TiO2 films
S. M. Fonseca, A. L. Barker, S. Ahmed, T. J. Kemp, P. R. Unwin,Phys. Chem. Chem. Phys.,2004,6, 5218-5224 - Enhanced resolution electric force microscopy with single-wall carbon nanotube tips
N. R. Wilson, J. V. Macpherson,J. Appl. Phys.,2004,96, 3565-3567 - Production and properties of nanoelectrospray emitters used in fourier transform ion cyclotron resonance mass spectrometry : implications for determining association constants for noncovalent complexes
C. G. Zampronio, E. A. Giannakopulos, M. Zeller, E. Bitziou, J. V. Macpherson, P. J. Derrick,Anal. Chem.,2004,76, 5172-5179 - Fabrication and electrocatalytic properties of polyaniline/Pt nanoparticle composites
A. O'Mullane, S. E. Dale, J. V. Macpherson, P. R. Unwin,Chem. Commun.,2004,14, 1606-1607 - Microelectrochemical techniques for probing kinetics at liquid/liquid interfaces
S.-X. Guo, P. R. Unwin, A. L. Whitworth, J. Zhang,Prog. React. Kinet.,2004,29, 43-166 - Measurement of Lateral Charge Propagation in [Os(bpy)2(PVP)nCL]CL Thin Films : A Scanning Electrochemical Microscopy Approach
A. O'Mullane, J. V. Macpherson, P. R. Unwin, J. Cervera-Montesinos, J. A. Manzanares, F. Frehill, J. G. Vos,J. Phys. Chem. B,2004,108, 7219-7227 - Characterization and assessment of the microjet electrode as a detector for HPLC
S. Cannan, P. R. Unwin,Electroanalysis,2004,16, 712-718 - Local cobalt electrodeposition using the Scanning Electrochemical Microscope
O. de Abril, D. Mandler, P. R. Unwin,Electrochemical and Solid State Letters,2004,7, C71-C74 - Effect of surface pressure on oxygen transfer across molecular monolayers at the air/water interface: Scanning electrochemical microscopy investigations using a mercury hemispherical microelectrode probe
I. Ciani. D. P. Burt, S. Daniele, P. R. Unwin,J. Phys. Chem. B,2004,108, 3801-3809 - Observation and characterisation of the glycocalyx of viable human endothelial cells using confocal laser scanning microscopy
A. L. Barker, O. Konopatskaya, C. R. Neal, J. V. Macpherson, J. L. Whatmore, C. P. Winlove, P. R. Unwin, A. C. Shore,Phys. Chem. Chem. Phys.,2004,6, 1006-1011 - Investigation of the kinetics and mechanism of acid chloride hydrolysis in an oil/water system using microelectrochemical measurements at expanding droplets (MEMED)
J. Zhang, J. H. Atherton, P. R. Unwin,Langmuir,2004,20(5), 1864-1870 - Electrochemistry in the presence of mesoporous TiO2 phytate nanofilms
K. J. McKenzie, F. Marken, M. Oyama, C. E. Gardner, J. V. Macpherson,Electroanalysis,2004,16, 89-96 - Interfacial polymerisation of anilinium at Langmuir monolayers
J. Zhang, D. Mandler, P. R. Unwin,Chem. Commun.,2004,4, 450-451 - Scanning electrochemical microscopy (SECM) studies of oxygen transfer across phospholipid monolayers under surface pressure control: Comparison of monolayers at air/water and oil/water interfaces
S. Cannan, J. Zhang, F. Grunfeld, P. R. Unwin,Langmuir,2004,20(3), 701-707 - A multi-electrode probe for parallel imaging in scanning electrochemical microscopy
A. L. Barker, P. R. Unwin, J. W. Gardner, H. Reiley,Electrochem. Commun.,2004,6(1), 91-97
2003
- Formation of mesoscopic silver particles at micro- and nano-liquid/liquid interfaces
J. Guo, T. Tokimoto, R. Othman, P. R. Unwin,Electrochem. Commun.,2003, 5 (12), 1005-1010 - Characterisation of Biomolecular interfaces with scanning elecrochemical microscopy: from model monolayers to tissues and cells
A. L. Barker, C. E. Gardner, J. V. Macpherson, P. R. Unwin, J. Zhang,Surfactant Science Series2003,111 (Biomolecular Films), 253-335 - Hydrodynamic modulation voltammetry with a dual disk chopped flow-microjet electrode (CF-MJE)
N. Simjee, P. R. Unwin, J. V. Macpherson,Electroanalysis2003, 15, 1445-1452 - Single-Walled Carbon Nanotubes as Templates for Nanowire Conducting Probes
N. Wilson, J.V. Macpherson,Nano Lett.2003, 3 (10), 1365-1369 - Nanoscale Imaging of the Electronic Conductivity of the Native Oxide Film on Titanium Using Conducting Atomic Force Microscopy
C. J. Boxley, H. S. White, C. E. Gardner, J. V. Macpherson,J. Phys. Chem. B2003, 107 (36), 9677-9680 - Kinetics of bromine transfer across Langmuir monolayers of phosphatidylethanolamines at the water/air interface
J. Zhang, P.R. Unwin,Phys. Chem. Chem. Phys.2003, 5, 3979-3983 - Effect of surface pressure on the insulator to metal transition of a Langmuir polyaniline monolayer
J. Zhang, A. L. Barker, D. Mandler, P. R. Unwin,J. Am. Chem. Soc.2003, 125 (31), 9312-9313 - Kinetics of O2 reduction at illuminated TiO2 films
S. Ahmed, S. M. Fonseca, T. J. Kemp, P. R. Unwin,J. Phys. Chem. B2003, 107 (24), 5892-5900 - Characterization and Behaviour of Ti/TiO2/Noble Metal Anodes
J.-P. Gueneau de Mussy, J. V. Macpherson and J.-L. Delplancke,Electrochim. Acta2003, 48 (9), 1131-1141 - Direct observation of oxygen depletion and product formation during photocatalysis at a TiO2 surface using scanning electrochemical microscopy
S. M. Fonseca, A. L. Barker, S. Ahmed, T. J. Kemp, P. R.Unwin,Chem. Commun.2003, 8, 1002-1003 - Combined scanning electrochemical microscopy-Langmuir trough technique for investigating phase transfer kinetics across liquid/liquid interfaces modified by a molecular monolayer
J. Zhang, J. Strutwolf, S. Cannan, P. R. Unwin,Electrochem. Commun.2003, 5 (2), 105-110 - In situ observation of the surface processes involved in dissolution from the cleavage surface of calcite in aqueous solution using combined scanning electrochemical-atomic force microscopy (SECM-AFM)
C. E. Jones, P. R. Unwin, J. V. Macpherson,ChemPhysChem2003, 4 (2), 139-146 - A microelectrochemical actinometer for scanning electrochemical microscopy studies of photochemical processes
S. M. Fonseca, S. Ahmed, T. J. Kemp, P. R. Unwin,Photochem. Photobiol. Sci2003, 2, 98-103 - Introduction to Electroanalytical Techniques and Instrumentation inEncyclopedia of Electrochemistry
P. R. Unwin,2003, 3, 3-23
2002
- Measurement of lateral charge propagation in polyaniline layers with the scanning electrochemical microscope
D. Mandler, P. R. Unwin,J. Phys. Chem. B2003, 107 (2), 407-410 - Investigation of cupric ion extraction kinetics in a two-phase organic/water system using microelectrochemical measurements at expanding droplets (MEMED)
J. Zhang, D. Chapman, C.J. Slevin, P.R. Unwin,J. Electroanal. Chem.,2002, 538-539, 277-283 - Hydrodynamics and mass transport in wall tube and microjet electrodes. Simulation and experiment for micrometer-scale electrodes
J. L. Melville, B. A. Coles, R. G. Compton, N. Simjee, J. V. Macpherson, P. R. Unwin,J. Phys. Chem. B2003, 107 (1), 379-386 - Single Walled Carbon Nanotube Conducting Probe Tips
N. R. Wilson, D. H. Cobden and J. V. Macpherson,J. Phys. Chem. B,2002, 106 (51), 13102-13105 - Atomic force microscopy probes go electrochemical
C. E. Gardner, J. V. Macpherson,Anal. Chem.,2002, 74 (21) , 576A-584A - Three-dimensional imaging of proton gradients at microelectrode surfaces using confocal laser scanning microscopy
S. Cannan, I. D. Macklam , P. R. Unwin,Electrochem. Commun.,2002, 4 (11), 886-892 - Hydrodynamics and mass transport in wall tube and microjet electrodes: Effect of vortex formation and cell geometry on limiting currents
J. L. Melville, N. Simjee, P. R. Unwin et al.,J. Phys. Chem. B,2002, 106 (40), 10424-10431 - Microelectrochemical Measurements of Electron Transfer Rates at the Interface between Two Immiscible Electrolyte Solutions: Potential Dependence of the Ferro/Ferricyanide - 7,7,8,8-Tetracyanoquinodimethane (TCNQ)/TCNQ'- System
J. Zhang and P. R. Unwin,Phys. Chem. Chem. Phys.,2002,4, 3820-3827 - Scanning electrochemical microscopy (SECM) feedback approach for measuring lateral proton diffusion in langmuir monolayers: theory and application
J. Zhang, P.R. Unwin,Phys. Chem. Chem. Phys.,2002, 4, 3814-3819 - High Resolution Structural, Electrical and Electrochemical Characterisation of a Dimenisonally Stable Ti/TiO2/Pt Electrode
J. V. Macpherson, J. P. Gueneau de Mussy and J. L. Delplancke,J. Electrochem. Soc.,2002, 149 (7), B306-B313 - Electrochemical Imaging of Diffusion through Single Nanoscale Pores
J. V. Macpherson, C. E. Jones, A. L. Barker and P. R. Unwin,Anal. Chem.,2002, 74 (8), 1841-1848 - On the Microelectrode Behaviour of Graphite-Epoxy Composite Electrodes
D. O'Hare, J. V. Macpherson and A. Willows,Electrochem. Comm.,2002, 4 (3), 245-250 - Oxidation of 4-Methylanisole by Aqueous Cerium (IV) in a Two-Phase Liquid/Liquid System: Interfacial versus Homogeneous Control
C. J. Slevin, J. Zhang and P. R. Unwin,J. Phys. Chem. B.,2002, 106 (11), 3019-3025 - Kinetics of IrCl62- Ion Transfer Across the Water/1,2-Dichloroethane Interface and the Effect of a Phospholipid Monolayer
J. Zhang and P. R. Unwin,Langmuir,2002, 18 (6), 2313-2318 - Proton Diffusion at Phospholipid Assemblies
J. Zhang and P. R. Unwin,J. Am. Chem. Soc.,2002, 124 (10), 2379-2383 - Hydrodynamics and mass transport in wall tube and microjet electrodes. 1. Finite element simulations
J. Melville, N. Simjee , P. R. Unwin, B. A. Coles, R. G. Compton,J Phys. Chem. B.,2002, 106 (10), 2690-2698 - Effect of Fatty Alcohol Monolayers on the Rate of Bromine Transfer Across the Air/Water Interface: Assessment of Candidate Models Using Scanning Electrochemical Microscopy
J. Zhang and P.R. Unwin,Langmuir,2002, 18 (4), 1218-1224
2001
- Scanning Electrochemical Microscopy: New Interfaces and Hybrid Techniques
J. V. Macpherson, J. Zhang, C. E. Gardner and P. R. Unwin,Anal. Sci.,2001, 17, i333 - Microelectrochemical Measurements at Expanding Droplets (MEMED): Direct Investigation of Reactive Fluxes at Liquid/liquid Interfaces
J. Zhang and P. R. Unwin,Anal. Sci.,2001, 17, i223 - Electrochemical-AFM inEncyclopedia of Electrochemistry. Volume 3. Instrumentation and Electroanalytical Chemistry
J. V. Macpherson, A. J. Bard and B. Stratmann (eds), Wiley-VCH Verlag GmbH,Weinheim: submitted March 2001. - Effect of Phospholipids on the Kinetics of Dioxygen Transfer Across a 1,2-Dichloroethane/Water Interface
J. Strutwolf, J. Zhang, A. L. Barker and P. R. Unwin,Phys. Chem. Chem. Phys.,2001, 3, 5553-5558 - Effect of Nonionic Surfactants on Interfacial Electron Transfer at the Liquid/Liquid Interface
D. G. Georganopoulou, J. Strutwolf, C. M. Pereira, F. Silva, P. R. Unwin and D. E. Williams,Langmuir,2001, 17 (26), 8348-8354 - Measurement of Solute Partitioning Across Liquid/Liquid Interfaces using Scanning Electrochemical Microscopy – Double Potential Step Chronoamperometry (SECM-DPSC): Principles, Theory and Application to Ferrocenium Ion Transfer Across the 1,2-Dichloroethane/Aqueous Interface
A. L. Barker and P. R. Unwin,J. Phys. Chem. B,2001, 105 (48), 12019-12031 - A New Approach for Measuring Lateral Diffusion in Langmuir Monolayers by Scanning Electrochemical Microscopy (SECM): Theory and Application
J. Zhang, C. J. Slevin, C. Morton, P. Scott, D. J. Walton and P. R. Unwin,J. Phys. Chem. B,2001, 105 (45), 11120-11130 - Combined Scanning Electrochemical – Atomic Force Microscopy: A New Technique for Investigating Structure – Activity Problems at Interfaces
J. V. Macpherson and P. R. Unwin,Proceedings of the Fifth Ultrasteel Workshop, Tsukuba, Japan,2001, pp 132 - 137 - Electron Transfer Reactions at Gold Nanoparticles
J. Zhang, R. M. Lahtinen, K. Kontturi, P. R. Unwin and D. J. Schiffrin,Chem. Commun.,2001, 1818-1819 - Hydrodynamic Ultramicroelectrodes: Kinetic and Analytical Applications
J. V. Macpherson, N. Simjee and P. R. Unwin,Electrochim. Acta,2001, 47 (1-2), 29 – 45 - Hydrodynamic Techniques for Investigating Reaction Kinetics at Liquid/Liquid Interfaces: Historical Overview and Recent Developments
C. J. Slevin, P. R. Unwin and J. Zhang, chapter 13 inLiquid Interfaces in Chemical, Biological and Pharmaceutical Applications(A. G. Volkov [ed]), Marcel Dekker, New York, 2001, pp 325 – 354 - Scanning Electrochemical Microscopy as a Local Probe of Chemical Process at Liquid Interfaces
A. L. Barker, C. J. Slevin, P. R. Unwin and J. Zhang, chapter 12 inLiquid Interfaces in Chemical, Biological and Pharmaceutical Applications(A. G. Volkov [ed]), Marcel Dekker, New York, 2001, pp 283 – 324 - Investigation of the Kinetics of Electron Transfer Processes Involving Fullerenes at Liquid/Liquid Interfaces using Scanning Electrochemical Microscopy
J. Zhang and P. R. Unwin,J. Chem. Soc., Perkin Trans. 2,2001, 1608 – 1612 - Measurement of the Forward and Back Rate Constants for Electron Transfer at the Interface between Two Immiscible Electrolyte Solutions using Scanning Electrochemical Microscopy (SECM): Theory and Experiment
A. L. Barker, P. R. Unwin and J. Zhang,Electrochem. Comm.,2001, 3 (7), 372-378 - Conducting Atomic Force Microscopy Investigation of the Local Electrical Characteristics of a Ti/TiO2/Pt Anode
J. V. Macpherson, JP. Gueneau de Mussy and JL Delplancke,Electrochemical and Solid State Letters,2001, 4 (9), E33-E36 - Photomineralisation Kinetics of Aqueous Chlorophenols at a Supported TiO2 Surface Studied by the Channel Flow Method with Electrochemical Detection
S. Ahmed, T. J. Kemp and P. R. Unwin,J. Photochem. Photobiol. A,2001, 141 (1), 69 – 78 - Kinetics of O2 Reduction at Illuminated TiO2 Films
S. Ahmed, T. J. Kemp and P. R. Unwin,J. Phys. Chem. B,2001, 107 (24), 5892–5900 - Non-Contact Electrochemical Imaging with Combined Scanning Electrochemical – Atomic Force Microscopy
J. V. Macpherson and P. R. Unwin,Anal. Chem.,2001, 73 (3), 550 - 557 - Microelectrochemical Measurements at Expanding Droplets (MEMED): Effect of Surfactant Adsorption on Electron Transfer Kinetics at Liquid/Liquid Interfaces
J. Zhang, C. J. Slevin, L. Murtomäki, K. Kontturi, D. E. Williams and P.R. Unwin,Langmuir,2001, 17 (3), 821 - 827 - Kinetics of Homogeneous Reactions Coupled to Heterogeneous Electron Transfer
P. R. Unwin, chapter 7 inScanning Electrochemical Microscopy(A. J. Bard and M. V. Mirkin [eds]), Marcel Dekker, New York, 2001, pp 241 - 298 - Probing Reactions at Solid/Liquid Interfaces
J. V. Macpherson and P. R. Unwin, chapter 12 inScanning Electrochemical Microscopy(A. J. Bard and M. V. Mirkin [eds]), Marcel Dekker, New York, 2001, pp 521 – 592
2000
- Effect of Triton X-100 on Electron Transfer Kinetics at the Interface Between Two Immiscible Electrolyte Solutions: A Scanning Electrochemical Microscopy Study
J. Zhang and P. R. Unwin,J. Electroanal. Chem., Interfac. Electrochem.,2000, 494 (1), 47 – 52 - High Resolution Imaging of the Distribution and Permeability of Methyl Viologen Dication in Bovine Articular Cartilage using Scanning Electrochemical Microscopy
M. Gonsalves, J. V. Macpherson, D. O'Hare, C. P. Winlove and P. R. Unwin,Biochim. Biophys. Acta - Gen.Subj.,2000, 1524 (1), 66-74 - Recent Advances in Hydrodynamic Modulation Voltammetry
J. V. Macpherson,Electronalysis,2000, 12 (13), 1001-1011 - Simple Procedure for the Fabrication of Silver/Silver Chloride Potentiometric Electrodes with Micrometer and Smaller Dimensions: Application to Scanning Electrochemical Microscopy
N. J. Gray and P. R. Unwin,The Analyst,2000, 125, 889-893 - Local Amperometric Detection of K+ in Aqueous Solution using Scanning Electrochemical Microscopy Ion-Transfer Voltammetry
N. J. Evans, M. Gonsalves, N. J. Gray, A. L. Barker, J. V. Macpherson and P. R. Unwin,Electrochem. Comm.,2000, 2 (3), 201-206 - Microelectrochemical Studies of Charge Transfer at The Interface Between Two Immiscible Electrolyte Solutions : Electron Transfer from Decamethyl Ferrocene to Aqueous Oxidants
J. Zhang, A. L. Barker and P. R. Unwin,J. Electroanal. Chem.,2000, 483 (1-2), 95-107 - Probing Liquid/Liquid Interfaces using Neutron Reflectivity Measurements and Scanning Electrochemical Microscopy
J. Strutwolf, A. L. Barker, M. Gonsalves, D. J. Caruana, P. R. Unwin, D. E. Williams and J. R. P. Webster,J. Electroanal. Chem.,2000, 483 (1-2), 163-173 - Scanning Electrochemical Microscopy as a Dynamic Probe of Metal Adsorption, Nucleation and Growth on Surfaces: Silver Deposition on Pyrite, inLocalised In-situ Methods for Investigating Electrochemical Interfaces
P. R. Unwin, J. V. Macpherson, R. D. Martin and C. F. McConville,Electrochemical Society Proceedingsvol 99-28, (S. R. Taylor, A. C. Hillier and M. Seo [eds]), Electrochemical Society, NJ, USA, 2000, pp 104 – 121. - Simultaneous Topographical and Amperometric Imaging of Surfaces in Air and Under Solution, inLocalised In-situ Methods for Investigating electrochemical Interfaces
J. V. Macpherson, C. E. Jones and P. R. Unwin,Electrochemical Society Proceedingsvol 99-28, (S. R. Taylor, A. C. Hillier and M. Seo [eds]), Electrochemical Society, NJ, USA, 2000, pp 147 - 165. - Lateral Proton Diffusion Rates Along Stearic Acid Monolayers
C. J. Slevin and P. R. Unwin,J. Am. Chem. Soc.,2000, 122 (11), 2597-2602 - Microelectrochemical Measurements at Expanding Droplets (MEMED): Investigation of Cupric Ion Stripping Kinetics in a Two-phase Oil/Water System
J. Zhang and P. R. Unwin,Phys. Chem. Chem. Phys.,2000, 2, 1267-1271 - In-Situ Observation of the Surface Processes Involved in Dissolution From the (010) Surface of Potassium Ferrocyanide Trihydrate in Aqueous Solution Using an Integrated Electrochemical - Atomic Force Microscope
C. E. Jones, J. V. Macpherson and P. R. Unwin,J. Phys. Chem. B,2000, 104 (10), 2351-2359 - Assessment of a Recent Thin Layer Method for Measuring the Rates of Electron Transfer Across Liquid/Liquid Interfaces
A. L. Barker and P. R. Unwin,J. Phys. Chem. B.,2000, 104 (10), 2330-2340 - Potential Dependence of Electron Transfer Rates at the Interface between Two Immiscible Electrolyte Solutions: Reduction of 7,7,8,8-Tetracyanoquinodimethane in 1,2-Dichoroethane by Aqueous Ferrocyanide Studied with Microelectrochemical Techniques
J. Zhang and P. R. Unwin,J. Phys. Chem. B,2000, 104 (10), 2341-2347
Erratum - Novel Hydrodynamic Ultramicroelectrodes
J. V. Macpherson and P. R. Unwin,Platinum Metals Rev.,2000, 44 (1), 21 - Scanning Electrochemical Microscopy as a Local Probe of Oxygen Permeability in Cartilage
M. Gonsalves, A. L. Barker, J. V. Macpherson, P. R. Unwin, D. O'Hare and C. P. Winlove,Biophys. J.,2000, 78, 1578-1588
1999
- Combined Scanning Electrochemical – Atomic Force Microscopy
J. V. Macpherson and P. R. Unwin,Anal. Chem.,2000, 72 (2), 276-285 - The Role of Mass Transport in Solution Photocatalysis at a Supported Titanium Dioxide Surface
S. Ahmed, C. E. Jones, T. J. Kemp and P. R. Unwin,Phys. Chem. Chem. Phys.,1999, 1, 5229 - 5233 - Resolution of Coupled Electron Transfer – Ion Transfer Processes at Liquid/Liquid Interfaces by Visualisation of Interfacial Concentration Profiles
J. Zhang, C. J. Slevin and P. R. Unwin,Chem. Commun.,1999, 1501 – 1502 - Hydrodynamic Modulation Voltammetry with an Oscillating Microjet Electrode
J. V. Macpherson and P. R. Unwin,Anal. Chem.,1999, 71 (20), 4642 - 4648 - Microelectrochemical Measurements at Expanding Droplets (MEMED): Mass Transport Characterisation and Assessment of Amperometric and Potentiometric Electrodes as Concentration Boundary Layer Probes of Liquid/Liquid Interfaces
C. J. Slevin and P. R. Unwin,Langmuir,1999, 15 (21), 7361 - 7371 - Scanning Electrochemical Microscopy (SECM) in the Study of Electron Transfer Kinetics at Liquid/Liquid Interfaces: Beyond the Constant Composition Approximation
A. L. Barker, P. R. Unwin, S. Amemiya, J. Zhou and A. J. Bard,J. Phys. Chem. B,1999, 103 (34), 7260 – 7269 - Microelectrode Measurements of Tissue Perfusion, Oxygen Concentration and Diffusivity
P. Etherington, L. Gonsalves, J. V. Macpherson, P. R. Unwin and P. Winlove,J. Vasc. Res.,1999, 36 (4), 330 – 330 - Fabrication and Characterisation of Nanometre-sized Platinum Electrodes for Voltammetric Analysis and Imaging
C. J. Slevin, N. J. Gray, J. V. Macpherson, M. A. Webb and P. R. Unwin,Electrochem. Comm.,1999, 1 (7), 282 – 288 - Hydrodynamic Modulation Voltammetry with a Variable Height Radial Flow Microring Electrode
J. V. Macpherson and P. R. Unwin,Anal. Chem.,1999, 71 (14), 2939 – 2944 - Flow Actinometry in a Thin Film Reactor
L. Vincze, T. J. Kemp and P. R. Unwin,J. Photochem. Photobiol.,1999, 123 (1-3), 7 – 13 - Scanning Electrochemical Microscopy: Beyond the Solid/Liquid Interface
A. L. Barker, M. Gonsalves, J. V. Macpherson, C. J. Slevin and P. R. Unwin,Anal. Chim. Acta,1999, 385 (1-3), 223 – 240 - Simultaneous Topographical and Amperometric Imaging of Surfaces in Air: Towards a Combined Scanning Force – Scanning Electrochemical Microscope (SF-SECM)
C. E. Jones, J. V. Macpherson, Z. H. Barber, R. E. Somekh and P. R. Unwin,Electrochem. Comm.,1999, 1 (2), 55 – 60 - Hydrodynamic Modulation Methods in Electrochemistry, inComprehensive Chemical Kinetics
D.E. Williams and J.V. Macpherson, R. G. Compton and G. Hancock (eds.), Elsevier, Amsterdam, vol. 37, 1999, pp 369 - 438.
1998
- Radial Flow Microring Electrode (RFMRE): Investigation of Fast Heterogeneous Electron Transfer Processes
J. V. Macpherson, C. E. Jones and P. R. Unwin,J. Phys. Chem. B,1998, 102 (49), 9891 – 9897 - The Marlow Medal Lecture. Dynamic Electrochemistry as a Quantitative Probe of Interfacial Physicochemical Processes
P. R. Unwin,J. Chem. Soc., Faraday Trans.,1998, 94, 3183 - 3196 - A New Approach for Measuring the Effect of a Monolayer on Molecular Transfer Across an Air/Water Interface Using Scanning Electrochemical Microscopy
C. J. Slevin, S. Ryley, D. J. Walton and P. R. Unwin,Langmuir,1998, 14 (19), 5331 - 5334 - Radial Flow Microring Electrode: Development and Characterization
J. V. Macpherson and P. R. Unwin,Anal. Chem.,1998, 70 (14), 2914 - 2921 - Scanning Electrochemical Microscopy: Kinetics of Chemical Reactions Following Electron-Transfer Measured with the Substrate Generation - Tip Collection Mode
R. D. Martin and P. R. Unwin,J. Chem. Soc., Faraday Trans.,1998, 94, 753 - 759 - Scanning Electrochemical Microscopy (SECM) as a Probe of Transfer Processes in Two-Phase Systems: Theory and Experimental Applications of SECM-Induced Transfer with Arbitrary Partition Coefficients, Diffusion Coefficients and Interfacial Kinetics
A. L. Barker, J. V. Macpherson, C. J. Slevin and P. R. Unwin,J. Phys. Chem. B,1998, 102 (9), 1586 - 1598 - Theory and Experiment for the Substrate-Generation/Tip-Collection Mode of the Scanning Electrochemical Microscope: Application as an Approach for Measuring the Diffusion Coefficient Ratio of a Redox Couple
R. D. Martin and P. R. Unwin,Anal. Chem.,1998, 70 (2), 276 - 284
1997
- Characterisation and Application of a Mercury Hemisphere Microjet Electrode
J. V. Macpherson and P. R. Unwin,Anal. Chem.,1997, 69 (24), 5045 - 5051 - Measurement of Local Reactivity at Liquid/Solid, Liquid/Liquid and Liquid/Gas Interfaces with the Scanning Electrochemical Microscope: Principles, Theory and Applications of the Double Potential Step Chronoamperometric Mode
C. J. Slevin, J. V. Macpherson and P. R. Unwin,J. Phys. Chem. B,1997, 101 (50), 10851 - 10859 - Scanning Electrochemical Microscopy: Theory and Experiment for the Positive Feedback Mode with Unequal Diffusion Coefficients of the Redox Mediator Couple
R. D. Martin and P. R. Unwin,J. Electroanal. Chem., Interfacial Electrochem.,1997, 439 (1), 123 - 136 - New Electrochemical Techniques for Probing Phase Transfer Dynamics at Dental Interfaces in-vitro
P. R. Unwin, J. V. Macpherson, M. A. Beeston, N. J. Evans, D. Littlewood and N. P. Hughes,Adv. Dent. Res.,1997, 11 (4), 548 - 559 - Quantitative Spatially-Resolved Measurements of Mass Transfer Through Laryngeal Cartilage
J. V. Macpherson, D. O'Hare, P. R. Unwin and C. P. Winlove,Biophys. J.,1997, 73 (5), 2771 - 2781 - Measurement of Liquid/Liquid Interfacial Kinetics by Directly Probing the Concentration Profiles at Expanding Droplets
C. J. Slevin and P. R. Unwin,Langmuir,1997, 13 (18), 4799 - 4803 - Determination of the Diffusion Coefficient of Hydrogen in Aqueous Solution using Single and Double Potential Step Chronoamperometry at a Disk Ultramicroelectrode
J. V. Macpherson and P. R. Unwin,Anal. Chem.,1997, 69 (11), 2063 - 2069
1996
- A New Approach to the Measurement of Transfer Rates Across Immiscible Liquid/Liquid Interfaces
C. J. Slevin, J. A. Umbers, J. H. Atherton and P. R. Unwin,J. Chem. Soc., Faraday Trans.,1996, 96, 5177 - 5180 - Scanning Electrochemical Microscope Induced Dissolution: Theory and Experiment for Silver Chloride Dissolution in Aqueous Solution without Supporting Electrolyte
J. V. Macpherson and P. R. Unwin,J. Phys. Chem.,1996, 100 (50), 19475 - 19483 - Scanning Electrochemical Microscopy 33 : Application to the Study of ECE/DISP Reactions
C. Demaille, P. R. Unwin and A. J. Bard,J. Phys. Chem.,1996, 100 (33), 14137 - 14143 - Direct Measurement of Fluid Flow through Dentine Tubules using Scanning Electrochemical Microscopy
N. P. Hughes, D. Littlewood, P. R. Unwin, J. V. Macpherson and M. A. Beeston,Dentine / Pulp Complex(M.Shimono, T. Maeda, H. Suda and K. Takahashi [eds}), pp 333-335, Quintessence, IL, 1996. - Probing the Oxidative Etching Kinetics of Metals with the Feedback Mode of the Scanning Electrochemical Microscope
J. V. Macpherson, C. J. Slevin and P. R. Unwin,J. Chem. Soc., Faraday Trans.,1996, 92, 3799 - 3806 - In-situ Imaging of Ionic Crystal Dissolution using an Integrated Electrochemical/AFM Probe
J. V. Macpherson, P. R. Unwin, A. C. Hillier and A. J. Bard,J. Am. Chem. Soc.,1996, 118 (27), 6445-6452
1995
- Measurement of Fast Kinetics with the Microjet Electrode: The CE Mechanism
R. D. Martin and P. R. Unwin,J. Electroanal. Chem., Interfac. Electrochem.,1995, 397 (1-2), 323 - 327 - Photogenerated Chloride Ion Concentration near the Surface of UV-Irradiated Titanium Dioxide in the Presence of Aqueous 2,4 - Dichlorophenol Probed Using an Ultramicroelectrode
T. J. Kemp, P. R. Unwin and L. Vincze,J. Chem. Soc., Faraday Trans.,1995, 91, 3893 - 3896 - Imaging the Action of Fluid Flow Blocking Agents on Dentinal Surfaces Using the Scanning Electrochemical Microscope
J. V. Macpherson, M. A. Beeston, P. R. Unwin, N. P. Hughes and D. Littlewood,Langmuir,1995, 11 (10), 3959 - 3963 - A New Look at Surface Reactions
P. R. Unwin and J. V. Macpherson,Chem. Ind.,1995, 874 - 879 - Scanning Electrochemical Microscopy as a Probe of Silver Chloride Dissolution Kinetics in Aqueous Solution
J. V. Macpherson and P. R. Unwin,J. Phys. Chem.,1995, 99 (40), 14824 - 14831 - Recent Advances in Kinetic Probes of the Dissolution of Ionic Crystals
J. V. Macpherson and P. R. Unwin,Progr. React. Kinet.,1995,20, 185 - 244. - Scanning Electrochemical Microscopy as a Probe of Local Fluid Flow through Porous Solids: Application to the Measurement of Convective Rates through a Single Dentinal Tubule
J. V. Macpherson, M. A. Beeston, P. R. Unwin, N. P. Hughes and D. Littlewood,J. Chem. Soc., Faraday Trans.,1995, 91, 1407 - 1410 - New Strategies for Probing Crystal Dissolution Kinetics at the Microscopic Level
P. R. Unwin and J. V. Macpherson,Chem. Soc. Rev.,1995, 24, 109 - 119 - Scanning Electrochemical Microscope Induced Dissolution: Rate Law and Reaction Rate Imaging for the Dissolution of the (010) Face of Potassium Ferrocyanide Trihydrate in Non-Stoichiometric Aqueous Solutions of the Lattice Ions
J. V. Macpherson and P. R. Unwin,J. Phys. Chem.,1995, 99 (10), 3338 - 3351 - Imaging Local Mass Transfer Rates within an Impinging Jet and Studies of Fast Heterogeneous Electron Transfer Kinetics using the Microjet Electrode
J. V. Macpherson, M. A. Beeston and P. R. Unwin,J. Chem. Soc., Faraday Trans.,1995, 91, 899 - 904
1994
- Rotating Disc Electrode Voltammetry as a Probe of Adsorption Rates in Suspensions: Application to ZnII Adsorption at the Hydroxyapatite/Aqueous Interface
R. D. Martin, M. A. Beeston, P. R. Unwin and M. E. Laing,J. Chem. Soc., Faraday Trans.,1994, 90, 3109 - 3115 - Oscillatory Dissolution of an Ionic Single Crystal Surface Observed with the Scanning Electrochemical Microscope
J. V. Macpherson and P. R. Unwin,J. Phys. Chem.,1994, 98 (45), 11764 - 11770 - Microjet Electrode: A Hydrodynamic Ultramicroelectrode with High Mass Transfer Rates
J. V. Macpherson, S. Marcar and P. R. Unwin,Anal. Chem.,1994, 66 (13), 2175 - 2179 - A Novel Approach to the Study of Dissolution Kinetics using the Scanning Electrochemical Microscope: Theory and Application to Copper Sulfate Pentahydrate Dissolution in Aqueous Sulfuric Acid Solutions
J. V. Macpherson and P. R. Unwin,J. Phys. Chem.,1994, 98 (6), 1704 - 1713
1993
- Dolomite Dissolution Kinetics at Low pH: A Channel Flow Study
R. Orton and P. R. Unwin,J. Chem. Soc., Faraday Trans.,1993, 89, 3947 - 3954 - A New Approach to the Study of Dissolution Kinetics
J. V. Macpherson and P. R. Unwin,J. Chem. Soc., Faraday Trans.,1993, 89, 1883 - 1884
1992
- Scanning Electrochemical Microscopy. 17. Studies of Enzyme- Mediator Kinetics for Membrane- and Surface- Immobilized Glucose Oxidase
D. T. Pierce, P. R. Unwin and A. J. Bard,Anal. Chem.,1992, 64 (17), 1795 - 1804 - Scanning Electrochemical Microscopy 16. Study of Second Order Homogeneous Kinetics via the Feedback and Generation/Collection Modes
F. Zhou, P. R. Unwin and A. J. Bard,J. Phys. Chem.,1992, 96 (12), 4917 - 4924 - Scanning Electrochemical Microscopy 14. SECM Induced Desorption: A New Technique for the Measurement of Adsorption/Desorption Kinetics and Surface Diffusion Rates at the Solid/Liquid Interface
P. R. Unwin and A. J. Bard,J. Phys. Chem.,1992, 96 (12), 5035 - 5045 - Investigations of Ultrasmall Volumes and Short Times with the Scanning Electrochemical Microscope
A. J. Bard, F. R. Fan, M. V. Mirkin, D. T. Pierce, P. R. Unwin, D. O. Wipf and F. M. Zhou,Abstracts of Papers of The American Chemical Society,1991, 203, 126-ANYL - Scanning Electrochemical Microscopy 12. Theory and Experiment of the Feedback Mode with Finite Heterogeneous Electron-Transfer Kinetics and Arbitrary Substrate Size
A. J. Bard, M. V. Mirkin, P. R. Unwin and D. O. Wipf,J. Phys. Chem.,1992, 96 (4), 1861 - 1868 - Ultramicroelectrode Voltammetry in a Drop of Solution: A New Approach to the Measurement of Adsorption Isotherms at the Solid/Liquid Interface
P. R. Unwin and A. J. Bard,Anal. Chem.,1992, 64 (2), 113 - 119 - Scanning Electrochemical Microscopy
A. J. Bard, P. R. Unwin, D. O. Wipf and F. Zhou,Am. Inst. Phys., Conf. Proc.,1992, 241, 235 - 247
1991
- Chemical Imaging of Surfaces with the Scanning Electrochemical Microscope
A. J. Bard, F. R. F. Fan, D. T. Pierce, P. R. Unwin, D. O. Wipf and F. Zhou,Science,1991, 254 (5028), 68 - 74 - Scanning Electrochemical Microscopy 9. Theory and Application of the Feedback Mode to the Measurement of Following Chemical Reaction Rates in Electrode Processes
P. R. Unwin and A. J. BardJ. Phys. Chem.,1991, 95 (20), 7814 - 7824 - Application of the Scanning Electrochemical Microscope to the Measurement of Reaction-Kinetics and Thermodynamics at the Solid-Liquid Interface
P. R. Unwin and A. J. Bard,Abstracts of Papers of The American Chemical Society,1991, 202, 170-COLL - Advances in Scanning Electrochemical Microscopy
A. J. Bard, D. O. Wipf and P. R. Unwin,Abstracts of Papers of The American Chemical Society,1991, 201, 51-ANYL - The ECE-DISP1 Problem: General Resolution via Double Channel Electrode Collection Efficiency Measurements
P. R. Unwin,J. Electroanal. Chem., Interfac. Electrochem.,1991, 297 (1), 103 - 124
1990
- Effect of Carboxylic Acids on the Dissolution of Calcite in Aqueous Solution. Part 3: Polymaleic Acid
P. R. Unwin and R. G. Compton,J. Chem. Soc., Faraday Trans.,1990, 86, 1517 - 1525 - Dissolution Kinetics of Carrera Marble, Portland Stone and Several Limestones in Acid Waters
R. G. Compton, C. T. Walker, P. R. Unwin and W. A. House,J. Chem. Soc., Faraday Trans.,1990, 86, 849 - 854 - Reduction of Maleate Dianion at a Mercury Electrode in Aqueous Solution: A CEEC or CECE Mechanism?
P. R. Unwin and R. G. Compton,J. Chem. Soc., Faraday Trans.,1990, 86, 657 - 661 - Effect of Carboxylic Acids on the Dissolution of Calcite in Aqueous Solution. Part 2: d-, l- and meso- Tartaric Acids
A. J. Barwise, R. G. Compton and P. R. Unwin,J. Chem. Soc., Faraday Trans.,1990, 86, 137 - 144 - A Universal Method for the Determination of the Heterogeneous Kinetics of Dyeing
R. G. Compton, P. R. Unwin and M. Wilson,Chem. Ind.,1990, 234 - 235. - The Dissolution of Calcite in Aqueous Solution at pH < 4: Kinetics and Mechanism
R. G. Compton and P. R. Unwin,Phil. Trans. R. Soc. Lond.,1990, A330, 1 - 45
1989
- The Effect of Carboxylic Acids on the Dissolution of Calcite in Aqueous Solution. Part 1: Maleic and Fumaric Acids
R. G. Compton, K. L. Pritchard, P. R. Unwin, G. Grigg, P. Silvester, M. Lees and W. A. House,J. Chem. Soc., Faraday Trans. 1,1989, 85, 4335 - 4366 - The Determination of Heterogeneous Kinetics Using the Channel Electrode: Analytical Equations for Shielding Factor Measurements
P. R. Unwin and R. G. Compton,J. Electroanal. Chem., Interfac.Electrochem.,1989, 274 (1-2), 249 - 256 - The Dissolution of Calcite in Acid Waters: Mass Transport versus Surface Control
R. G. Compton, K. L. Pritchard and P. R. Unwin,Freshwater Biol.,1989, 22, 285 - 288 - The Direct Measurement of Dissolution Kinetics at the Calcite-Water Interface
R. G. Compton, K. L. Pritchard and P. R. Unwin,J. Chem. Soc., Chem. Commun.,1989, 249 - 251 - A Critical Assessment of the Theories for Linear Sweep Voltammetry of Reversible Electrode Processes at a Channel Electrode
R. G. Compton and P. R. Unwin,J. Electroanal. Chem., Interfac. Electrochem.,1989, 264 (1-2), 27 - 36 - Homogeneous Catalysis of Electrochemical Reactions: Mechanistic Resolution via Rotating Disc Electrode Voltammetric Waveshape Analysis
R. G. Compton, R. A. Spackman and P. R. Unwin,J. Electroanal. Chem., Interfac. Electrochem.,1989, 264 (1-2), 1 - 25 - Rotating Disc Electrode Voltammetry: The Digital Simulation of the Current - Voltage Behaviour of Electrode Processes Involving Reversible Electron Transfer and Coupled Homogeneous Kinetics
R. G. Compton and P. R. Unwin,J. Chem. Soc., Faraday Trans. 1,1989, 85, 1821 - 1834 - A Generally Applicable Method for the Measurement of Heterogeneous Rate Constants of Reactions Occurring at the Solid/Liquid Interface
P. R. Unwin, A. J. Barwise and R. G. Compton,J. Colloid Interface Sci.,1989, 128 (1), 208 - 222 - The Use of Channel Electrodes in the Investigation of Interfacial Reactions Mechanisms
P. R. Unwin and R. G. Compton,Comprehensive Chemical Kinetics, vol 29 (R. G. Compton and A. Hamnett [eds]), chapter 6, pp 173 - 296, Elsevier, Amsterdam, 1989.
1988
- The Relationship Between Mass Transport to Channel and Rotating Disc Electrodes
P. R. Unwin and R. G. Compton,J. Electroanal. Chem., Interfac. Electrochem.,1988, 245 (1-2), 287 - 298
Reply - Double Channel Electrodes and the Measurement of Heterogeneous Reaction Rates at the Solid/Liquid Interface
R. G. Compton, G. M. Stearn, P. R. Unwin and A. J. Barwise,J. Appl. Electrochem.,1988, 18 (4), 657 - 665 - Rotating Disc Electrodes: Single- and Double- Potential Step Chronoamperometry and the ECE-DISP1 Problem
R. G. Compton, D. Mason and P. R. Unwin,J. Chem. Soc., Faraday Trans. 1,1988, 84, 2057 - 2068 - Rotating Disc Electrodes: The Theory of Chronoamperometry and Its Use in Mechanistic Investigations
R. G. Compton, M. E. Laing, D. Mason, R. J. Northing and P. R. Unwin,Proc. R. Soc. Lond.,1988, A418, 113 - 154 - The Reduction of Fluorescein in Aqueous Solution (at pH 6): A New DISP2 Reaction
R. G. Compton, D. Mason and P. R. Unwin,J. Chem. Soc., Faraday Trans. 1,1988, 84, 483 - 489 - Rotating Disc Electrode Voltammetry: Waveshape Analysis for DISP2 and EC2 Processes
R. G. Compton, D. Mason and P. R. Unwin,J. Chem. Soc., Faraday Trans. 1,1988, 84, 473 - 482
1987
- Mass Transport to Channel and Tubular Electrodes: The Singh and Dutt Approximation
R. G. Compton, M. B. G. Pilkington, G. M. Stearn and P. R. Unwin,J. Electroanal. Chem., Interfac. Electrochem.,1987, 237 (1-2), 43 - 66 - Photoelectrochemical ESR: The Reduction of Fluorescein at Illuminated Mercury Electrodes
R. G. Compton, R. G. Harland, M. B. G. Pilkington, G. M. Stearn, P. R. Unwin and A. M. Waller,Portugaliae Electrochim. Acta,1987, 5, 271 - 279 - Rotating Disc Electrodes: ECE and DISP1 Processes
R. G. Compton, R. G. Harland, P. R. Unwin and A. M. Waller,J. Chem. Soc., Faraday Trans. 1,1987, 83, 1261 - 1268
1986
- AC Impedance Measurements at Channel Electrodes: The Effect of Convection
R. G. Compton, M. E. Laing and P. R. Unwin,J. Electroanal. Chem., Interfac. Electrochem.,1986, 207 (1-2), 309 - 314 - Linear Sweep Voltammetry at Channel Electrodes
R. G. Compton and P. R. Unwin,J. Electroanal. Chem., Interfac. Electrochem.,1986, 206 (1-2), 57 - 67 - Channel and Tubular Electrodes
R. G. Compton and P. R. Unwin,J. Electroanal. Chem., Interfac. Electrochem.,1986, 205 (1-2), 1 - 20
1985
- In-situ Electrochemical ESR: ECE versus DISP1
R. G. Compton, P. J. Daly, P. R. Unwin and A. M. Waller,J. Electroanal. Chem., Interfac. Electrochem.,1985, 191 (1), 15 - 29
Electrochemistry of Carbon Electrodes
Editors: Richard C. Alkire, Philip N. Bartlett, Jacek Lipkowski
Publication Year: 2015
Publisher: Wiley
ISBN: 9783527337323
Chapters: Chapter 2. Electrochemistry at Highly Oriented Pyrolytic Graphite (HOPG): Toward a New Perspective (Pages: 31-82) by Aleix G. Güell, Sze-yin Tan, Patrick R. Unwin, Guohui Zhang; Chapter 5. The Use of Conducting Diamond in Electrochemistry by Julie V. Macpherson
Available here
Nanoelectrochemistry
Editors: Mirkin, Michael V.; Amemiya, Shigeru
Publication Year: 2015
Publisher: CRC Press
ISBN: 978-1-4665-6122-9
Chapters: Chapter 19. Scanning Electrochemical Cell Microscopy: Mapping, Measuring, and Modifying Surfaces and Interfaces at the Nanoscale by Barak D. B. Aaronson, Aleix G. Güell, Kim McKelvey, Dmitry Momotenko, and Patrick R. Unwin
Available here
Scanning Electrochemical Microscopy, Second Edition
Editors:Bard, Allen J.; Mirkin, Michael V.
Publication Year: 2012
Publisher: CRC Press
ISBN: 978-3-527-30395-3
Chapters: Localized Flux Measurements and Kinetic Imaging at Interfaces by Patrick R. Unwin and Julie V. Macpherson.
Visualizing and Quantifying Homogenous Chemical reactions by Patrick R. Unwin.
Hybrid Scanning Electrochemical Techniques: Methods and Applications by Julie. V. Macpherson and Christophe Demaille.
Available here
Biomolecular Films: Design, Function, and Applications, Surfactant Science Series, Volume 111
Editors: Rusling, James F.
Publication Year: 2003
Publisher: Marcel Dekker, Inc
ISBN: 0-8247-0899-7
Chapter: Characterisation of Biomolecular interfaces with scanning elecrochemical microscopy: from model monolayers to tissues and cells by Anna L. Barker, Catherine E. Gardner, Julie V. Macpherson, Patrick R. Unwin
Available here
Encyclopedia of Electrochemistry: Volume 3. Instrumentation and Electroanalytical Chemistry
Editors: Bard, Allen J.; Stratmann, Martin; Unwin, Patrick R.
Publication Year: 2002
Publisher: Wiley-VCH
ISBN: 978-3-527-30395-3
Chapter: Electrochemical-AFM, Interfaces by Julie V. Macpherson
Available here
Liquid Interfaces In Chemical, Biological And Pharmaceutical Applications, Surfactant Science Series, Volume 95
Editors: Volkov, Alexander G.
Publication Year: 2001
Publisher: CRC Press
ISBN: 978-0-8247-0457-5
Chapters: Hydrodynamic Techniques for Investigating Reaction Kinetics at Liquid/Liquid Interfaces: Historical Overview and Recent Developments. Electrochemical Microscopy as a Local Probe of Chemical Process at Liquid Interfaces by Christopher J. Slevin, Patrick R. Unwin and Jie Zhang.
Available here
Comprehensive Chemical Kinetics: Applications of Kinetic Modelling, Volume 37
Editors: Compton, Richard G; Hancock, G.
Publication Year: 1999
Publisher: Elsevier
ISBN: 0-444-50164-9
Chapter: Hydrodynamic Modulation Methods in Electrochemistry by D.E. Williams & Julie V. Macpherson.
Available here
Comprehensive Chemical Kinetics: New Techniques for the Study of Electrodes and their Reactions, Volume 29
Editors: Compton, Richard G; Hamnett, Andrew.
Publication Year: 1989
Publisher: Elsevier
ISBN: 0-444-42999-9
Chapter: The Use of Channel Electrodes in the Investigation of Interfacial Reaction Mechanisms by Patrick R.Unwin & Richard G. Compton.
Available here