Search Publications
Search by Year:Using the tabs below you can find a list of all of the articles published by the group to date. 2014 - 2013 - 2012 - 2011 - 2010 - 2009 - 2008 - 2007 - 2006 - 2005 - 2004 - 2003 - 2002 - 2001 - 2000 - 1999 - 1998 - 1997 - 1996 - 1995 - 1994 - 1993 - 1992 - 1991 - 1990 - 1989 - 1988 - 1987 - 1986 - 1985 |
Search Warwick Wrap:Warwick WARP is a research publication archive at University of Wawick Library.
|
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 PDF documents on these associated webpages are provided for educational and personal purposes alone and are subject to their respective publisher's copyrights.
2014
-
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, Accepted. -
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, Accepted. -
Spatial and Temporal Control of the Diazonium Modification of sp2 Carbon 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 Patrick R. Unwin, Nano Lett., 2014, 14 (1), 220–224.
2013
- 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. - 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, 2013 41(15), 18085-18092. - 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. - 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. - 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. - 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. - 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 - 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. - 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., 2013 49, 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. - 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(14), 5030–5038. - 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. - 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. 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. - 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 - 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. 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. - 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.
- 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. - 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. - 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. - 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. - 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. - 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. - 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. -
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. - 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. - 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.
- 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.
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.
- Pulling Nanotubes from Supported Bilayers
J. W. Armond, J. V. Macpherson, and M. S. Turner, Langmuir, 2011, 27 (13), 8269–8274. - 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. - 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. - 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. - 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. - 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.
- 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. - Intrinsic Kinetics of Gypsum and Calcium Sulfate Anhydrite Dissolution: Surface Selective Studies under Hydrodynamic Control and the Effect of Additives
- Protein crystallization at oil/water interfaces
B. R. Silver, V. Fülöp, and P. R. Unwin, New J. Chem., 2011, 35, 602-606. - 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. -
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 Nanotechol., 2011, 6 (2), 84-85. -
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. -
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. -
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.
2010
-
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. - 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. - 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. - 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. - 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. - 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. - 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. -
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.
2009
- Electrochemistry at Carbon Nanotubes: Perspectives and Issues
I. Dumitrescu, P. R. Unwin, and J. V. Macpherson, Chem. Commun., 2009, 45, 6886-6901. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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.
2008
- 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. - 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. - Protein crystals make it big at electrode surfaces
B. R. Silver and P. R. Unwin, Chem. Commun., 2008, 5179-5181. - 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. - 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. - 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. - 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. - Minimally invasive spatial and temporal concentration profiling within working glucose biosensors
D. P. Burt and P. R. Unwin, Electrochem. Commun., 2008, 934–937. - 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. - 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. - 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. - 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. - Polarised Liquid/liquid Micro-Interfaces Move During Charge Transfer
S. E. C. Dale and P. R. Unwin, Electrochem. Commun., 2008, 10 (5), 723–726. - 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.
2007
- 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.
- 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.
- 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. C 2007, 111(35), 12944–12953.
- 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.
- ‘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 Science 2007, 40, 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.
- Pigment composition and adaptation in free-living and symbiotic strains of Acaryochloris 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 Ecology 2007, 61(1), 65–73.
- 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, Small 2007, 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.
- 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.
- 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. C 2007, 111(1), 294-302.
2006
- 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, Langmuir 2006, 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.
- 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. B 2006, 110(20), 10063-10069.
- 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.
- 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. B 2006, 110(11), 5639-5646.
- 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
- 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.
- 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.
- 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. B 2005, 109, 19335-19344.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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, Langmuir 2005, 21, 1255-1260.
- 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.
- 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.
2004
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- Interfacial polymerisation of anilinium at Langmuir monolayers
J. Zhang, D. Mandler, P. R. Unwin, Chem. Commun., 2004, 4, 450-451.
- 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, 1864.
- 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.
- 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, 701.
- 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, 91.
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, 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 Series 2003, 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, Electroanalysis 2003, 15, 1445-1452.
-
Single-Walled Carbon Nanotubes as Templates for Nanowire Conducting Probes
N. Wilson, J.V. Macpherson, Nano Lett. 2003, 3, 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. B 2003, 107, 9677.
-
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.
-
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, 9312.
-
Kinetics of O2 reduction at illuminated TiO2 films
S. Ahmed, S. M. Fonseca, T. J. Kemp, P. R. Unwin, J. Phys. Chem. B 2003, 107, 5892.
-
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, 105.
-
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.
-
A microelectrochemical actinometer for scanning electrochemical microscopy studies of photochemical processes
S. M. Fonseca, S. Ahmed, T. J. Kemp, P. R. Unwin, Photochemical and photobiological sciences 2003, 2, 98-103
-
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, ChemPhysChem 2003, 4, 139-146.
-
Measurement of lateral charge propagation in polyaniline layers with the scanning electrochemical microscope
D. Mandler, P. R. Unwin, J. Phys. Chem. B 2003, 107, 407.
-
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. B 2003, 107, 379-386.
-
Characterization and Behaviour of Ti/TiO2/Noble Metal Anodes
J.-P. Gueneau de Mussy, J. V. Macpherson and J.-L. Delplancke, Electrochim. Acta 2003, 48, 1131-1141.
-
Introduction to Electroanalytical Techniques and Instrumentation in Encyclopedia of Electrochemistry
P. R. Unwin, 2003, 3, 3-23.
2002
- Single Walled Carbon Nanotube Conducting Probe Tips
N. R. Wilson, D. H. Cobden and J. V. Macpherson, J. Phys. Chem. B, 2002, 106, 13102-13105.
- 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, 277-283.
- 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, 1841.
- Atomic force microscopy probes go electrochemical
C. E. Gardner, J. V. Macpherson, Anal. Chem., 2002, 74 , 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, 886.
- 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, 2313.
- 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, 10424.
- 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.
- 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, 3019.
- Proton Diffusion at Phospholipid Assemblies
J. Zhang and P. R. Unwin, J. Am. Chem. Soc., 2002, 124, 2379.
- 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, 2690.
- 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, 1218.
- On the Microelectrode Behaviour of Graphite-Epoxy Composite Electrodes
D. O'Hare, J. V. Macpherson and A. Willows, Electrochem. Comm., 2002, 4, 245.
- 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, B306-B313.
- 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.
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, 333.
- 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 in Encyclopedia 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.
- 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, E33-E36.
- Kinetics of O2 Reduction at Illuminated TiO2 Films
S. Ahmed, T. J. Kemp and P. R. Unwin, J. Phys. Chem. B, 2001, 141, 69.
- 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.
- 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.
- 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, 372-378.
- 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, 69 – 78.
- 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, 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, 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.
- Hydrodynamic Ultramicroelectrodes: Kinetic and Analytical Applications
J. V. Macpherson, N. Simjee and P. R. Unwin, Electrochim. Acta, 2001, 47, 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 in Liquid 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 in Liquid Interfaces in Chemical, Biological and Pharmaceutical Applications (A. G. Volkov [ed]), Marcel Dekker, New York, 2001, pp 283 – 324.
- Non-Contact Electrochemical Imaging with Combined Scanning Electrochemical – Atomic Force Microscopy
J. V. Macpherson and P. R. Unwin, Anal. Chem., 2001, 73, 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, 821 - 827.
- Kinetics of Homogeneous Reactions Coupled to Heterogeneous Electron Transfer
P. R. Unwin, chapter 7 in Scanning 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 in Scanning Electrochemical Microscopy (A. J. Bard and M. V. Mirkin [eds]), Marcel Dekker, New York, 2001, pp 521 – 592. - 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, D. E. Williams, Langmuir, 2001, 17, 8348-8354
2000
- 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. U. Unwin, Biochim. Biophys. Acta - Gen.Subj., 2000, 1524, 66-74. - Recent Advances in Hydrodynamic Modulation Voltammetry
J. V. Macpherson, Electronalysis, 2000, 12, 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, 201-206. - 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, 47 – 52. - 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. - 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, 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, 163-173. - Scanning Electrochemical Microscopy as a Dynamic Probe of Metal Adsorption, Nucleation and Growth on Surfaces: Silver Deposition on Pyrite, in Localised In-situ Methods for Investigating Electrochemical Interfaces
P. R. Unwin, J. V. Macpherson, R. D. Martin and C. F. McConville, Electrochemical Society Proceedings vol 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, in Localised In-situ Methods for Investigating electrochemical Interfaces
J. V. Macpherson, C. E. Jones and P. R. Unwin, Electrochemical Society Proceedings vol 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, 2597-2602. - 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, 2351-2359. - 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, 2341-2347.
Erratum - Novel Hydrodynamic Ultramicroelectrodes
J. V. Macpherson and P. R. Unwin, Platinum Metals Rev., 2000, 44, 21. - 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, 2330-2340. - Combined Scanning Electrochemical – Atomic Force Microscopy
J. V. Macpherson and P. R. Unwin, Anal. Chem., 2000, 72, 276-285. - 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
- 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.
- 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, 282 – 288.
- Hydrodynamic Modulation Voltammetry with an Oscillating Microjet Electrode
J. V. Macpherson and P. R. Unwin, Anal. Chem., 1999, 71, 4642 - 4648.
- 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, 7260 – 7269.
- 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, 7361 - 7371.
- Flow Actinometry in a Thin Film Reactor
L. Vincze, T. J. Kemp and P. R. Unwin, J. Photochem. Photobiol., 1999, 123, 7 – 13.
- Hydrodynamic Modulation Voltammetry with a Variable Height Radial Flow Microring Electrode
J. V. Macpherson and P. R. Unwin, Anal. Chem., 1999, 71, 2939 – 2944.
- 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, 55 – 60.
- 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, 223 – 240.
- Hydrodynamic Modulation Methods in Electrochemistry, in Comprehensive 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, 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, 5331 - 5334.
- Radial Flow Microring Electrode: Development and Characterization
J. V. Macpherson and P. R. Unwin, Anal. Chem., 1998, 70, 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, 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, 276 - 284.
1997
- 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, 10851 - 10859.
- Characterisation and Application of a Mercury Hemisphere Microjet Electrode
J. V. Macpherson and P. R. Unwin, Anal. Chem., 1997, 69, 5045 - 5051.
- 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, 4799 - 4803.
- 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, 2771 - 2781.
- 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, 123 - 136.
- 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, 2063 - 2069.
- 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, 548 - 559.
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, 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, 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, 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, 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, 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, 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, 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, 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, 2175 - 2179.
- A Novel Approach to the Study of Dissolution Kinetics using the Scanning Electrochemical Microscope: Theory and Application to the Dissolution of CuSO4.5H2O in Aqueous Sulfuric Acid Solutions
J. V. Macpherson and P. R. Unwin, J. Phys. Chem., 1994, 98, 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, 1795 - 1804.
- Scanning Electrochemical Microscopy
A. J. Bard, P. R. Unwin, D. O. Wipf and F. Zhou, Am. Inst. Phys., Conf. Proc., 1992, 241, 235 - 247.
- 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, 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, 5035 - 5045.
- 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, 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, 113 - 119.
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, 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. Bard J. Phys. Chem., 1991, 95, 7814 - 7824.
- The ECE-DISP1 Problem: General Resolution via Double Channel Electrode Collection Efficiency Measurements
P. R. Unwin, J. Electroanal. Chem., Interfac. Electrochem., 1991, 297, 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
- 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, 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, 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 - 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, 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
- 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, 657 - 665.
- 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, 287 - 298.
- 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, 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, 309 - 314.
- Linear Sweep Voltammetry at Channel Electrodes
R. G. Compton and P. R. Unwin, J. Electroanal. Chem., Interfac. Electrochem., 1986, 206, 57 - 67.
- Channel and Tubular Electrodes
R. G. Compton and P. R. Unwin, J. Electroanal. Chem., Interfac. Electrochem., 1986, 205, 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, 15 - 29.