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Publications - 2012

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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

    P. R. Unwin, Visualizing and Quantifying Homogeneous Chemical Reactions in Electrochemical Processes, in Scanning Electrochemical Microscopy, Chapter 7 (A. J. Bard and M. V. Mirkin [eds]), 2nd Ed., Taylor and Francis, New York, 2012, pp. 157 – 190.

    P. R. Unwin and J. V. Macpherson, Localized Flux Measurements and Kinetic Imaging at Interfaces, in Scanning Electrochemical Microscopy, Chapter 13 (A. J. Bard and M. V. Mirkin [eds]), 2nd Ed., Marcel Dekker, New York, 2012, pp. 417 – 450.