2017

Bentley, Cameron Luke, Kang, Minkyung and Unwin, Patrick R. (2017) Nanoscale structure dynamics within electrocatalytic materials. Journal of the American Chemical Society, 139 (46). pp. 16813-16821. doi:10.1021/jacs.7b09355

Maddar, Faduma, Perry, David and Unwin, Patrick R. (2017) Confined crystallization of organic materials in nanopipettes : tracking the early stages of crystal growth and making seeds for unusual polymorphs. Crystal Growth & Design . doi:10.1021/acs.cgd.7b01224 (In Press)

Tan, Sze-yin, Perry, David and Unwin, Patrick R. (2017) Double layer effects in voltammetric measurements with scanning electrochemical microscopy (SECM). Journal of Electroanalytical Chemistry . doi:10.1016/j.jelechem.2017.10.044 (In Press)

Perry, David, Page, Ashley M., Chen, Baoping, Frenguelli, Bruno G. and Unwin, Patrick R. (2017) Differential-concentration scanning ion conductance microscopy. Analytical Chemistry, 89 (22). pp. 12458-12465. doi:10.1021/acs.analchem.7b03543

Kang, Minkyung, Perry, David, Bentley, Cameron Luke, West, Geoffrey D., Page, Ashley M. and Unwin, Patrick R. (2017) Simultaneous topography and reaction flux mapping at and around electrocatalytic nanoparticles. ACS Nano, 11 (9). pp. 9525-9535. doi:10.1021/acsnano.7b05435

Maddar, Faduma, Adobes-Vidal, Maria, Hughes, Leslie P., Wren, Stephen A. C. and Unwin, Patrick R. (2017) Dissolution of bicalutamide single crystals in aqueous solution : significance of evolving topography in accelerating face-specific kinetics. Crystal Growth & Design, 17 (10). pp. 5108-5116. doi:10.1021/acs.cgd.7b00401

Bentley, Cameron Luke, Kang, Minkyung, Maddar, Faduma, Li, Fengwang, Walker, Marc, Zhang, Jie and Unwin, Patrick R. (2017) Electrochemical maps and movies of the hydrogen evolution reaction on natural crystals of molybdenite (MoS2) : basal vs. edge plane activity. Chemical Science, 8 (9). pp. 6583-6593. doi:10.1039/c7sc02545a

Bentley, Cameron Luke, Kang, Minkyung and Unwin, Patrick R. (2017) Scanning electrochemical cell microscopy : new perspectives on electrode processes in action. Current Opinion in Electrochemistry . doi:10.1016/j.coelec.2017.06.011 (In Press)

Tan, Sze-yin, Zhang, Jie, Bond, Alan M., Macpherson, Julie V. and Unwin, Patrick R. (2017) 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". Analytical Chemistry, 89 (13). pp. 7273-7276. doi:10.1021/acs.analchem.7b01664

Page, Ashley M., Perry, David and Unwin, Patrick R. (2017) Multifunctional scanning ion conductance microscopy. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 473 (2200). doi:10.1098/rspa.2016.0889

Oseland, Elizabeth E., Rea, Anita, de Heer, Martine, Fowler, Jeffrey and Unwin, Patrick R. (2017) Interfacial kinetics in a model emulsion polymerisation system using microelectrochemical measurements at expanding droplets (MEMED) and time lapse microscopy. Journal of Colloid and Interface Science, 490 . pp. 703-709. doi:10.1016/j.jcis.2016.11.104

Page, Ashley M., Kang, Minkyung, Armitstead, Alexander, Perry, David and Unwin, Patrick R. (2017) Quantitative visualization of molecular delivery and uptake at living cells with self-referencing scanning ion conductance microscopy (SICM) – scanning electrochemical microscopy (SECM). Analytical Chemistry . doi:10.1021/acs.analchem.6b04629 (In Press)

Ustarroz, Jon, Kang, Minkyung, Bullions, Erin and Unwin, Patrick R. (2017) Impact and oxidation of single silver nanoparticles at electrode surfaces : one shot versus multiple events. Chemical Science, 8 (3). pp. 1841-1853. doi:10.1039/C6SC04483B

2016

Zhang, Guohui, Tan, Sze-yin, Patel, Anisha N. and Unwin, Patrick R. (2016) Electrochemistry of Fe3+/2+ at highly oriented pyrolytic graphite (HOPG) electrodes : kinetics, identification of major electroactive sites and time effects on the response. Physical Chemistry Chemical Physics, 18 . pp. 32387-32395. doi:10.1039/C6CP06472H

Page, Ashley M., Perry, David, Young, Philip J., Mitchell, Daniel A., Frenguelli, Bruno G. and Unwin, Patrick R. (2016) Fast nanoscale surface charge mapping with pulsed-potential scanning ion conductance microscopy. Analytical Chemistry, 88 (22). pp. 10854-10859. doi:10.1021/acs.analchem.6b03744

Perry, David, Parker, Alexander S., Page, Ashley M. and Unwin, Patrick R. (2016) Electrochemical control of calcium carbonate crystallization and dissolution in nanopipettes. ChemElectroChem, 3 (12). pp. 2212-2220. doi:10.1002/celc.201600547

E, Sharel P., Kim, Yang-Rae, Perry, David, Bentley, Cameron Luke and Unwin, Patrick R. (2016) Nanoscale electrocatalysis of hydrazine electro-oxidation at blistered graphite electrodes. ACS Applied Materials & Interfaces, 8 (44). pp. 30458-30466. doi:10.1021/acsami.6b10940

Tomlinson, Lucy I., Patten, Hollie V., Green, Ben, Iacobini, James, Meadows, Katherine E., McKelvey, Kim M. (Kim Martin), Unwin, Patrick R., Newton, Mark E. and Macpherson, Julie V. (2016) Intermittent-contact scanning electrochemical microscopy (IC-SECM) as a quantitative probe of defects in single crystal boron doped diamond electrodes. Electroanalysis, 28 (10). pp. 2297-2302. doi:10.1002/elan.201600291

Bentley, Cameron Luke, Kang, Minkyung and Unwin, Patrick R. (2016) Time-resolved detection of surface oxide formation at individual gold nanoparticles : role in electrocatalysis and new approach for sizing by electrochemical impacts. Journal of the American Chemical Society . doi:10.1021/jacs.6b08124

Momotenko, Dmitry, Page, Ashley M., Adobes Vidal, Maria and Unwin, Patrick R. (2016) Write-read 3D patterning with a dual-channel nanopipette. ACS Nano . doi:10.1021/acsnano.6b04761 (In Press)

Ravenhill, Emma R., Kirkman, Paul M. and Unwin, Patrick R. (2016) Microscopic studies of calcium sulfate crystallization and transformation at aqueous-organic interfaces. Crystal Growth & Design, 16 (10). pp. 5887-5895. doi:10.1021/acs.cgd.6b00941

Maddar, Faduma, Lazenby, Robert A., Patel, Anisha N. and Unwin, Patrick R. (2016) Electrochemical oxidation of dihydronicotinamide adenine dinucleotide (NADH) : Comparison of highly oriented pyrolytic graphite (HOPG) and polycrystalline boron-doped diamond (pBDD) electrodes. Physical Chemistry Chemical Physics . doi:10.1039/C6CP05394G (In Press)

Parker, Alexander S., Al Botros, Rehab, Kinnear, Sophie L., Snowden, Michael E., McKelvey, Kim M. (Kim Martin), Ashcroft, Alexander T., Carvell, Mel, Joiner, Andrew, Peruffo, Massimo, Philpotts, Carol and Unwin, Patrick R. (2016) Combinatorial localized dissolution analysis : application to acid-induced dissolution of dental enamel and the effect of surface treatments. Journal of Colloid and Interface Science, 476 . pp. 94-102. doi:10.1016/j.jcis.2016.05.018

Unwin, Patrick R., Guell, Aleix G. and Zhang, Guohui (2016) Nanoscale electrochemistry of sp2 carbon materials : from graphite and graphene to carbon nanotubes. Accounts of Chemical Research . doi:10.1021/acs.accounts.6b00301 (In Press)

Adobes Vidal, Maria, Maddar, Faduma, Momotenko, Dmitry, Hughes, Leslie P., Wren, Stephen A. C., Poloni, Laura N., Ward, Michael D. and Unwin, Patrick R. (2016) Face-discriminating dissolution kinetics of furosemide single crystals : in situ three-dimensional multi-microscopy and modeling. Crystal Growth & Design, 16 (8). pp. 4421-4429. doi:10.1021/acs.cgd.6b00543

Zhang, Guohui, Walker, Marc and Unwin, Patrick R. (2016) Low-voltage voltammetric electrowetting of graphite surfaces by ion intercalation/deintercalation. Langmuir, 32 (30). pp. 7476-7484. doi:10.1021/acs.langmuir.6b01506

Oseland, Elizabeth E., Ayres, Zoë J., Basile, Andrew, Haddleton, David M., Wilson, Paul and Unwin, Patrick R. (2016) Surface patterning of polyacrylamide gel using scanning electrochemical cell microscopy (SECCM). Chemical Communications, 52 (64). pp. 9929-9932. doi:10.1039/C6CC05153G

Kang, Minkyung, Momotenko, Dmitry, Page, Ashley M., Perry, David and Unwin, Patrick R. (2016) Frontiers in nanoscale electrochemical imaging : faster, multifunctional and ultrasensitive. Langmuir, 32 (32). pp. 7993-8008. doi:10.1021/acs.langmuir.6b01932

Peruffo, Massimo, Mbogoro, Michael M., Adobes Vidal, Maria and Unwin, Patrick R. (2016) Importance of mass transport and spatially heterogeneous flux processes for in situ atomic force microscopy measurements of crystal growth and dissolution kinetics. The Journal of Physical Chemistry C, 120 (22). pp. 12100-12112. doi:10.1021/acs.jpcc.6b03560

E, Sharel P., Liu, Danqing, Lazenby, Robert A., Sloan, Jeremy, Vidotti, Marcio, Unwin, Patrick R. and Macpherson, Julie V. (2016) Electrodeposition of nickel hydroxide nanoparticles on carbon nanotube electrodes : correlation of particle crystallography with electrocatalytic properties. The Journal of Physical Chemistry C, 120 (29). pp. 16059-16068. doi:10.1021/acs.jpcc.5b12741

Perry, David, Momotenko, Dmitry, Lazenby, Robert A., Kang, Minkyung and Unwin, Patrick R. (2016) Characterization of nanopipettes. Analytical Chemistry . doi:10.1021/acs.analchem.6b01095

Zhang, Guohui, Guell, Aleix G., Kirkman, Paul M., Lazenby, Robert A., Miller, Thomas S. and Unwin, Patrick R. (2016) Versatile polymer-free graphene transfer method and applications. ACS Applied Materials & Interfaces, 8 (12). pp. 8008-8016. doi:10.1021/acsami.6b00681

Tan, Sze-yin, Zhang, Jie , Bond, Alan M., Macpherson, Julie V. and Unwin, Patrick R. (2016) Impact of adsorption on scanning electrochemical microscopy voltammetry and implications for nanogap measurements. Analytical Chemistry, 88 (6). pp. 3272-3280. doi:10.1021/acs.analchem.5b04715

Troadec, Thibault, Tan, Sze-yin, Wedge, Christopher, Rourke, Jonathan, Unwin, Patrick R. and Chaplin, Adrian B. (2016) One-electron oxidation of [M(PtBu3)2] (M=Pd, Pt) : isolation of monomeric [Pd(PtBu3)2]+and redox-promoted C−H bond cyclometalation. Angewandte Chemie International Edition, 55 (11). pp. 3754-3757. doi:10.1002/anie.201511467

Perry, David, Paulose Nadappuram, Binoy, Momotenko, Dmitry, Voyias, Philip D., Page, Ashley M., Tripathi, Gyanendra, Frenguelli, Bruno G. and Unwin, Patrick R. (2016) Surface charge visualization at viable living cells. Journal of the American Chemical Society, 138 (9). pp. 3152-3160. doi:10.1021/jacs.5b13153

Cuharuc, Anatolii S., Zhang, Guohui and Unwin, Patrick R. (2016) Electrochemistry of ferrocene derivatives on highly oriented pyrolytic graphite (HOPG) : quantification and impacts of surface adsorption. Physical Chemistry Chemical Physics, 18 (6). pp. 4966-4977. doi:10.1039/c5cp06325f

Momotenko, Dmitry, McKelvey, Kim M. (Kim Martin), Kang, Minkyung, Meloni, Gabriel N. and Unwin, Patrick R. (2016) Simultaneous interfacial reactivity and topography mapping with scanning ion conductance microscopy. Analytical Chemistry, 88 (5). pp. 2838-2846. doi:10.1021/acs.analchem.5b04566

2015

Chen, Chang-Hui, Ravenhill, Emma R., Momotenko, Dmitry, Kim, Yang-Rae, Lai, Stanley C. S. and Unwin, Patrick R. (2015) Impact of surface chemistry on nanoparticle–electrode interactions in the electrochemical detection of nanoparticle collisions. Langmuir, 31 (43). pp. 11932-11942. doi:10.1021/acs.langmuir.5b03033

Byers, Joshua C., Paulose Nadappuram, Binoy, Perry, David, McKelvey, Kim, Colburn, Alex W. and Unwin, Patrick R. (2015) Single molecule electrochemical detection in aqueous solutions and ionic liquids. Analytical Chemistry, 87 (20). pp. 10450-10456. doi:10.1021/acs.analchem.5b02569

Kang, Minkyung, Perry, David, Kim, Yang-Rae, Colburn, Alex W., Lazenby, Robert A. and Unwin, Patrick R. (2015) Time-resolved detection and analysis of single nanoparticle electrocatalytic impacts. Journal of the American Chemical Society, 137 (34). pp. 10902-10905. doi:10.1021/jacs.5b05856

Momotenko, Dmitry, Byers, Joshua C., McKelvey, Kim M. (Kim Martin), Kang, Minkyung and Unwin, Patrick R. (2015) High-speed electrochemical imaging. ACS Nano, 9 (9). pp. 8942-8952. doi:10.1021/acsnano.5b02792

Kim, Yang-Rae, Lai, Stanley Chi Shing, McKelvey, Kim M., Zhang, Guohui, Perry, David, Miller, Thomas S. and Unwin, Patrick R. (2015) Nucleation and aggregative growth of palladium nanoparticles on carbon electrodes : experiment and kinetic model. The Journal of Physical Chemistry C, 119 (30). pp. 17389-17397. doi:10.1021/acs.jpcc.5b03513

Perry, David, Al Botros, Rehab, Momotenko, Dmitry, Kinnear, Sophie L. and Unwin, Patrick R. (2015) Simultaneous nanoscale surface charge and topographical mapping. ACS Nano, 9 (7). pp. 7266-7276. doi:10.1021/acsnano.5b02095

Perry, Amelia R., Lazenby, Robert A., Adobes Vidal, Maria, Peruffo, Massimo, McKelvey, Kim M. (Kim Martin), Snowden, Michael E. and Unwin, Patrick R. (2015) Hopping intermittent contact-scanning electrochemical microscopy (HIC-SECM) as a new local dissolution kinetic probe : application to salicylic acid dissolution in aqueous solution. CrystEngComm, 17 . pp. 7835-7843. doi:10.1039/c5ce00138b

Chen, Chang-Hui, Jacobse, Leon, McKelvey, Kim M., Lai, Stanley Chi Shing, Koper, Marc T. M. and Unwin, Patrick R. (2015) Voltammetric scanning electrochemical cell microscopy : dynamic imaging of hydrazine electro-oxidation on platinum electrodes. Analytical Chemistry, 87 (11). pp. 5782-5789. doi:10.1021/acs.analchem.5b00988

Nadappuram, Binoy Paulose, McKelvey, Kim M. (Kim Martin), Byers, Joshua C., Güell, Aleix G., Colburn, Alex W., Lazenby, Robert A. and Unwin, Patrick R. (2015) Quad-Barrel multifunctional electrochemical and ion conductance probe for voltammetric analysis and imaging. Analytical Chemistry, Volume 87 (Number 7). pp. 3566-3573. doi:10.1021/acs.analchem.5b00379

Zhang, Guohui, Cuharuc, Anatolii S., Güell, Aleix G. and Unwin, Patrick R. (2015) Electrochemistry at highly oriented pyrolytic graphite (HOPG) : lower limit for the kinetics of outer-sphere redox processes and general implications for electron transfer models. Physical Chemistry Chemical Physics (Number 17). pp. 11827-11838. doi:10.1039/c5cp00383k

Aaronson, Barak D. B., Byers, Joshua C., Colburn, Alex W., McKelvey, Kim M. (Kim Martin) and Unwin, Patrick R. (2015) Scanning electrochemical cell microscopy platform for ultrasensitive photoelectrochemical imaging. Analytical Chemistry, 87 (8). pp. 4129-4133. doi:10.1021/acs.analchem.5b00288

Güell, Aleix G., Cuharuc, Anatolii S., Kim, Yang-Rae, Zhang, Guohui, Tan, Sze-yin, Ebejer, Neil and Unwin, Patrick R. (2015) Redox-dependent spatially resolved electrochemistry at graphene and graphite step edges. ACS Nano, Volume 9 (Number 4). pp. 3558-3571. doi:10.1021/acsnano.5b00550

Guell, Aleix G., Tan, Sze-yin, Unwin, Patrick R. and Zhang, Guohui (2015) Electrochemistry at highly oriented pyrolytic graphite (HOPG) : toward a new perspective. In: Alkire, Richard C. and Bartlett, Philip N. and Lipkowski, Jacek, (eds.) Electrochemistry of Carbon Electrodes. Advances in Electrochemical Sciences and Engineering . German: Wiley-Blackwell Publishing Ltd., pp. 31-82.

2014

Lai, Stanley Chi Shing, Lazenby, Robert A., Kirkman, Paul M. and Unwin, Patrick R. (2014) Nucleation, aggregative growth and detachment of metal nanoparticles during electrodeposition at electrode surfaces. Chemical Science, Volume 6 (Number 2). pp. 1126-1138. doi:10.1039/c4sc02792b

Patten, Hollie V., Hutton, Laura A., Webb, Jennifer R., Newton, Mark E., Unwin, Patrick R. and Macpherson, Julie V. (2014) Electrochemical “read–write” microscale patterning of boron doped diamond electrodes. Chemical Communications, Volume 51 (Number 1). pp. 164-167. doi:10.1039/c4cc07830f

McKelvey, Kim M. (Kim Martin), Kinnear, Sophie L., Perry, David, Momotenko, Dmitry and Unwin, Patrick R. (2014) Surface charge mapping with a nanopipette. Journal of the American Chemical Society, Volume 136 (Number 39). pp. 13735-13744. doi:10.1021/ja506139u

Miller, Thomas S., Macpherson, Julie V. and Unwin, Patrick R. (2014) Dual-electrode measurements in a meniscus microcapillary electrochemical cell using a high aspect ratio carbon fibre ultramicroelectrode. Journal of Electroanalytical Chemistry, Volume 729 . pp. 80-86. doi:10.1016/j.jelechem.2014.06.037

O’Connell, Michael A., Snowden, Michael E., McKelvey, Kim M. (Kim Martin), Gayet, Florence, Shirley, I. (Ian), Haddleton, David M. and Unwin, Patrick R. (2014) Positionable vertical microfluidic cell based on electromigration in a theta pipet. Langmuir, Volume 30 (Number 33). pp. 10011-10018. doi:10.1021/la5020412

Meadows, Katherine E., Nadappuram, Binoy Paulose and Unwin, Patrick R. (2014) A new approach for the fabrication of microscale lipid bilayers at glass pipets : application to quantitative passive permeation visualization. Soft Matter, Volume 10 (Number 42). pp. 8433-8441. doi:10.1039/c3sm51406d

Zhang, Guohui, Kirkman, Paul M., Patel, Anisha N., Cuharuc, Anatolii S., McKelvey, Kim M. (Kim Martin) and Unwin, Patrick R. (2014) Molecular functionalization of graphite surfaces : Basal Plane versus Step Edge electrochemical activity. Journal of the American Chemical Society, Volume 136 (Number 32). pp. 11444-11451. doi:10.1021/ja505266d

Byers, Joshua C., Güell, Aleix G. and Unwin, Patrick R. (2014) Nanoscale electrocatalysis : visualizing oxygen reduction at pristine, kinked, and oxidized sites on individual carbon nanotubes. Journal of the American Chemical Society, Volume 136 (Number 32). pp. 11252-11255. doi:10.1021/ja505708y

Zhang, Guohui, Kirkman, Paul M., Patel, Anisha N., Cuharuc, Anatolii S., McKelvey, Kim M. (Kim Martin) and Unwin, Patrick R. (2014) Molecular functionalization of graphite surfaces : basal plane versus step edge electrochemical activity. Journal of the American Chemical Society, Volume 136 (Number 32). pp. 11444-11451. doi:10.1021/ja505266d

Chen, Chang-Hui, Meadows, Katherine E., Cuharuc, Anatolii S., Lai, Stanley Chi Shing and Unwin, Patrick R. (2014) High resolution mapping of oxygen reduction reaction kinetics at polycrystalline platinum electrodes. Physical Chemistry Chemical Physics, Volume 16 (Number 34). pp. 18545-18552. doi:10.1039/c4cp01511h

Miller, Thomas S., Macpherson, Julie V. and Unwin, Patrick R. (2014) Electrochemical activation of pristine single walled carbon nanotubes : impact on oxygen reduction and other surface sensitive redox processes. Physical Chemistry Chemical Physics, 16 (21). pp. 9966-9973. doi:10.1039/c3cp53717j

Kleijn, Steven E. F., Lai, Stanley Chi Shing, Koper, Marc T. M. and Unwin, Patrick R. (2014) Electrochemistry of nanoparticles. Angewandte Chemie International Edition, Volume 53 (Number 14). pp. 3558-3586. doi:10.1002/anie.201306828

McKelvey, Kim M. (Kim Martin), Perry, David, Byers, Joshua C., Colburn, Alex W. and Unwin, Patrick R. (2014) Bias modulated scanning ion conductance microscopy. Analytical Chemistry, Volume 86 (Number 7). pp. 3639-3646. doi:10.1021/ac5003118

Newland, Jonathan C. , Unwin, Patrick R. and Macpherson, Julie V. (2014) Investigation of molecular partitioning between non polar oil droplets and aqueous solution using double potential step chronoamperometry. Physical Chemistry Chemical Physics, Volume 16 (Number 22). pp. 10456-10463. doi:10.1039/c4cp00231h

Aaronson, Barak D. B., Lai, Stanley Chi Shing and Unwin, Patrick R. (2014) Spatially resolved electrochemistry in ionic liquids : surface structure effects on triiodide reduction at platinum electrodes. Langmuir, Volume 30 (Number 7). pp. 1915-1919. doi:10.1021/la500271f

(2014) Electrochemical nanoprobes for single-cell analysis. ACS Nano, Volume 8 (Number 1). pp. 875-884. doi:10.1021/nn405612q

Guell, Aleix G., Meadows, Katherine E., Dudin, Petr V., Ebejer, Neil, Macpherson, Julie V. and Unwin, Patrick R. (2014) Mapping nanoscale electrochemistry of individual single-walled carbon nanotubes. Nano Letters, Volume 14 (Number 1). pp. 220-224. doi:10.1021/nl403752e

Kirkman, Paul M., Guell, Aleix G., Cuharuc, Anatolii S. and Unwin, Patrick R. (2014) Spatial and temporal control of the diazonium modification of sp2 carbon surfaces. Journal of the American Chemical Society, Volume 136 (Number 1). pp. 36-39. doi:10.1021/ja410467e

2013

Kinnear, Sophie L., McKelvey, Kim M. (Kim Martin), Snowden, Michael E., Peruffo, Massimo, Colburn, Alex W. and Unwin, Patrick R. (2013) Dual-barrel conductance micropipet as a new approach to the study of ionic crystal dissolution kinetics. Langmuir, Volume 29 (Number 50). pp. 15565-15572. doi:10.1021/la403630u

Lazenby, Robert A., McKelvey, Kim M. (Kim Martin), Peruffo, Massimo, Baghdadi, Marc and Unwin, Patrick R. (2013) Nanoscale intermittent contact-scanning electrochemical microscopy. Journal of Solid State Electrochemistry, Volume 17 (Number 12). pp. 2979-2987. doi:10.1007/s10008-013-2168-2

Snowden, Michael E., Edwards, Martin A., Rudd, Nicola C., Macpherson, Julie V. and Unwin, Patrick R. (2013) Intrinsic electrochemical activity of single walled carbon nanotube–Nafion assemblies. Physical Chemistry Chemical Physics, Volume 15 (Number 14). pp. 5030-5038. doi:10.1039/c3cp44538k

Aaronson, Barak D. B., Chen, Chang-Hui, Li, Hongjiao, Koper, Marc T. M., Lai, Stanley Chi Shing and Unwin, Patrick R. (2013) Pseudo-single crystal electrochemistry on polycrystalline electrodes : visualizing activity at grains and grain boundaries on platinum for the Fe2+/Fe3+ redox reaction. Journal of the American Chemical Society, Volume 135 (Number 10). pp. 3873-3880. doi:10.1021/ja310632k

McKelvey, Kim M. (Kim Martin), O'Connell, Michael A. and Unwin, Patrick R. (2013) Meniscus confined fabrication of multidimensional conducting polymer nanostructures with scanning electrochemical cell microscopy (SECCM). Chemical Communications, Volume 49 (Number 29). pp. 2986-2988. doi:10.1039/c3cc00104k

Peruffo, Massimo, Mbogoro, Michael M., Edwards, Martin A. and Unwin, Patrick R. (2013) Holistic approach to dissolution kinetics : linking direction-specific microscopic fluxes, local mass transport effects and global macroscopic rates from gypsum etch pit analysis. Physical Chemistry Chemical Physics, Volume 15 (Number 6). pp. 1956-1965. doi:10.1039/c2cp43555a

Perry, Amelia R., Peruffo, Massimo and Unwin, Patrick R. (2013) 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. Crystal Growth & Design, Volume 13 (Number 2). pp. 614-622. doi:10.1021/cg301282q

Lazenby, Robert A., McKelvey, Kim M. (Kim Martin) and Unwin, Patrick R. (2013) Hopping intermittent contact-scanning electrochemical microscopy (HIC-SECM) : visualizing interfacial reactions and fluxes from surfaces to bulk solution. Analytical Chemistry, Volume 85 (Number 5). pp. 2937-2944. doi:10.1021/ac303642p

Sansuk, Siriwat, Bitziou, Eleni, Joseph, Maxim B., Covington, James A., Boutelle, Martyn G., Unwin, Patrick R. and Macpherson, Julie V. (2013) Ultrasensitive detection of dopamine using a carbon nanotube network microfluidic flow electrode. Analytical Chemistry, Volume 85 (Number 1). pp. 163-169. doi:10.1021/ac3023586

Patel, Anisha N., Tan, Sze-yin, Miller, Thomas S., Macpherson, Julie V. and Unwin, Patrick R. (2013) Comparison and reappraisal of carbon electrodes for the voltammetric detection of dopamine. Analytical Chemistry, Volume 85 (Number 24). pp. 11755-11764. doi:10.1021/ac401969q

Bitziou, Eleni, Snowden, Michael E., Joseph, Maxim B., Leigh, Simon J., Covington, James A., Macpherson, Julie V. and Unwin, Patrick R. (2013) Dual electrode micro-channel flow cell for redox titrations : Kinetics and analysis of homogeneous ascorbic acid oxidation. Journal of Electroanalytical Chemistry, Volume 692 . pp. 72-79. doi:10.1016/j.jelechem.2012.12.014

Nadappuram, Binoy Paulose, McKelvey, Kim M. (Kim Martin), Al Botros, Rehab, Colburn, Alex W. and Unwin, Patrick R. (2013) Fabrication and characterization of dual function nanoscale pH-scanning ion conductance microscopy (SICM) probes for high resolution pH mapping. Analytical Chemistry, Volume 85 (Number 17). pp. 8070-8074. doi:10.1021/ac401883n

McKelvey, Kim M. (Kim Martin), Nadappuram, Binoy Paulose, Actis, Paolo, Takahashi, Yasufumi, Korchev, Yuri E., Matsue, Tomokazu, Robinson, Colin and Unwin, Patrick R. (2013) Fabrication, characterization and functionalization of dual carbon electrodes as probes for scanning electrochemical microscopy (SECM). Analytical Chemistry, Volume 85 (Number 15). pp. 7519-7526. doi:10.1021/ac401476z

Patel, Anisha N., Unwin, Patrick R. and Macpherson, Julie V. (2013) Investigation of film formation properties during electrochemical oxidation of serotonin (5-HT) at polycrystalline boron doped diamond. Physical Chemistry Chemical Physics, Volume 15 (Number 41). pp. 18085-18092. doi:10.1039/c3cp53513d

McKelvey, Kim M. (Kim Martin), Martin, Sophie G., Robinson, Colin and Unwin, Patrick R. (2013) Quantitative local photosynthetic flux measurements at isolated chloroplasts and thylakoid membranes using scanning electrochemical microscopy (SECM). The Journal of Physical Chemistry Part B: Condensed Matter, Materials, Surfaces, Interfaces & Biophysical, Volume 117 (Number 26). pp. 7878-7888. doi:10.1021/jp403048f

Ebejer, Neil, Güell, Aleix G., Lai, Stanley Chi Shing, McKelvey, Kim M., Snowden, Michael E. and Unwin, Patrick R. (2013) Scanning electrochemical cell microscopy : a versatile technique for nanoscale electrochemistry and functional imaging. Annual Review of Analytical Chemistry, Volume 6 (Number 1). p. 130411102155005. doi:10.1146/annurev-anchem-062012-092650

2012

Kleijn, Steven E. F., Lai, Stanley Chi Shing, Miller, Thomas S., Yanson, Alexei I., Koper, Marc T. M. and Unwin, Patrick R. (2012) Landing and catalytic characterization of individual nanoparticles on electrode surfaces. Journal of the American Chemical Society, Volume 134 (Number 45). pp. 18558-18561. doi:10.1021/ja309220m

Patel, Anisha N., Guille, Manon (Collignon), O'Connell, Michael A., (Researcher in chemistry), Hung, Wendy O. Y., McKelvey, Kim M. (Kim Martin), Macpherson, Julie V. and Unwin, Patrick R. (2012) A new view of electrochemistry at highly oriented pyrolytic graphite. Journal of the American Chemical Society, Volume 134 (Number 49). pp. 20117-20130. doi:10.1021/ja308615h

McGeouch, Carrie-Anne, Peruffo, Massimo, Edwards, Martin A., Bindley, Lucy A., Lazenby, Robert A., Mbogoro, Michael M., McKelvey, Kim M. (Kim Martin) and Unwin, Patrick R. (2012) Quantitative localized proton-promoted dissolution kinetics of calcite using scanning electrochemical microscopy (SECM). Journal of Physical Chemistry C, Volume 116 (Number 28). pp. 14892-14899. doi:10.1021/jp301382e

Guell, Aleix G., Ebejer, Neil, Snowden, Michael E., McKelvey, Kim M. (Kim Martin), Macpherson, Julie V. and Unwin, Patrick R. (2012) Quantitative nanoscale visualization of heterogeneous electron transfer rates in 2D carbon nanotube networks. Proceedings of the National Academy of Sciences, Volume 109 (Number 29). pp. 11487-11492. doi:10.1073/pnas.1203671109

Takahashi, Y., Shevchuk, A. I., Novak, P., Babakinejad, B., Macpherson, Julie V., Unwin, Patrick R., Shiku, H., Gorelik, J., Klenerman, D., Korchev, Y. E. and Matsue, T. (2012) Topographical and electrochemical nanoscale imaging of living cells using voltage-switching mode scanning electrochemical microscopy. Proceedings of the National Academy of Sciences of the United States of America, Volume 109 (Number 29). pp. 11540-11545. doi:10.1073/pnas.1203570109

Patten, Hollie V., Meadows, Katherine E., Hutton, Laura A., Iacobini, James G., Battistel, Dario, McKelvey, Kim M. (Kim Martin), Colburn, Alex W., Newton, Mark E., Macpherson, Julie V. and Unwin, Patrick R. (2012) Electrochemical mapping reveals direct correlation between heterogeneous electron-transfer kinetics and local density of states in diamond electrodes. Angewandte Chemie International Edition, Volume 51 (Number 28). pp. 7002-7006. doi:10.1002/anie.201203057

Lai, Stanley Chi Shing, Macpherson, Julie V. and Unwin, Patrick R. (2012) In situ scanning electrochemical probe microscopy for energy applications. MRS Bulletin, Volume 37 (Number 7). pp. 668-674. doi:10.1557/mrs.2012.146

Lai, Stanley Chi Shing, Patel, Anisha N., McKelvey, Kim M. and Unwin, Patrick R. (2012) Definitive evidence for fast electron transfer at pristine basal plane graphite from high-resolution electrochemical imaging. Angewandte Chemie International Edition, Volume 51 (Number 22). pp. 5405-5408. doi:10.1002/anie.201200564

Miller, Thomas S., Ebejer, Neil, Güell, Aleix G., Macpherson, Julie V. and Unwin, Patrick R. (2012) Electrochemistry at carbon nanotube forests : sidewalls and closed ends allow fast electron transfer. Chemical Communications, Volume 48 (Number 60). pp. 7435-7437. doi:10.1039/c2cc32890a

Guell, Aleix G., Ebejer, Neil, Snowden, Michael E., Macpherson, Julie V. and Unwin, Patrick R. (2012) Structural correlations in heterogeneous electron transfer at monolayer and multilayer graphene electrodes. Journal of the American Chemical Society, Volume 134 (Number 17). pp. 7258-7261. doi:10.1021/ja3014902

O’Connell, Michael A., de Cuendias, Anne, Gayet, Florence, Shirley, Ian M., Mackenzie, Stuart R., Haddleton, David M. and Unwin, Patrick R. (2012) Evanescent Wave Cavity Ring-Down Spectroscopy (EW-CRDS) as a probe of macromolecule adsorption kinetics at functionalized interfaces. Langmuir, Vol.28 (No.17). pp. 6902-6910. doi:10.1021/la3006053

Powell, Hayley V., O’Connell, Michael A., Zhang, Meiqin, Mackenzie, Stuart R. and Unwin, Patrick R. (2012) Evanescent wave cavity ringdown spectroscopy : a platform for the study of supported lipid bilayers. Analytical Chemistry, Vol.84 (No.5). pp. 2585-2591. doi:10.1021/ac203493p

Snowden, Michael E., Güell, Aleix G., Lai, Stanley Chi Shing, McKelvey, Kim M., Ebejer, Neil, O’Connell, Michael A., Colburn, Alex W. and Unwin, Patrick R. (2012) Scanning electrochemical cell microscopy : theory and experiment for quantitative high resolution spatially-resolved voltammetry and simultaneous ion-conductance measurements. Analytical Chemistry, Volume 84 (Number 5). pp. 2483-2491. doi:10.1021/ac203195h

Patten, Hollie V., Lai, Stanley Chi Shing, Macpherson, Julie V. and Unwin, Patrick R. (2012) 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). Analytical Chemistry, Volume 84 (Number 12). pp. 5427-5432. doi:10.1021/ac3010555

Pollard, Andrew J., Faruqui, Nilofar, Shaw, Michael, Clifford, Charles A., Takahashi, Yasufumi, Korchev, Yuri E., Ebejer, Neil, Macpherson, Julie V., Unwin, Patrick R. and Roy, Debdulal (2012) Development of a novel combined scanning electrochemical microscope (SECM) and scanning ion-conductance microscope (SICM) probe for soft sample imaging. MRS Proceedings, Volume 1422 . doi:10.1557/opl.2012.489

Patel, Anisha N., McKelvey, Kim M. (Kim Martin) and Unwin, Patrick R. (2012) Nanoscale electrochemical patterning reveals the active sites for catechol oxidation at graphite surfaces. Journal of the American Chemical Society, Volume 134 (Number 50). pp. 20246-20249. doi:10.1021/ja3095894

Fu, Y. (Ying), Romero, Maria, Habtemariam, Abraha, Snowden, Michael E., Song, Lijiang, Clarkson, Guy J., Qamar, Bushra, Pizarro, Ana M., Unwin, Patrick R. and Sadler, P. J. (2012) The contrasting chemical reactivity of potent isoelectronic iminopyridine and azopyridine osmium(ii) arene anticancer complexes. Chemical Science, Vol.3 (No.8). pp. 2485-2494. doi:10.1039/c2sc20220d

2011

Dudin, Petr V., Snowden, Michael E., Macpherson, Julie V. and Unwin, Patrick R. (2011) Electrochemistry at nanoscale electrodes : individual single-walled carbon nanotubes (SWNTs) and SWNT-templated metal nanowires. ACS Nano, Volume 5 (Number 12). pp. 10017-10025. doi:10.1021/nn203823f

Patten, Hollie V., Ventosa, Edgar, Colina, Alvaro, Ruiz, V., López-Palacios, Jesús, Wain, Andrew J., Lai, Stanley Chi Shing, Macpherson, Julie V. and Unwin, Patrick R. (2011) Influence of ultrathin poly-(3,4-ethylenedioxythiophene) (PEDOT) film supports on the electrodeposition and electrocatalytic activity of discrete platinum nanoparticles. Journal of Solid State Electrochemisty, Vol.15 (No.11-12). pp. 2331-2339. doi:10.1007/s10008-011-1446-0

Dudin, Petr V., Unwin, Patrick R. and Macpherson, Julie V. (2011) Electro-oxidation of hydrazine at gold nanoparticle functionalised single walled carbon nanotube network ultramicroelectrodes. Physical Chemistry Chemical Physics, Volume 13 (Number 38). pp. 17146-17152. doi:10.1039/c1cp21937e

Takahashi, Y. (Yasufumi), Shevchuk, Andrew I., Novak, P. (Pavel), Zhang, Yanjun, Ebejer, Neil, Macpherson, Julie V., Unwin, Patrick R., Pollard, Andrew J., Roy, Debdulal, Clifford, Charles Alexander, Shiku, Hitoshi, Matsue, Tomokazu, Klenerman, David and Korchev, Yuri E. (2011) Multifunctional nanoprobes for nanoscale chemical imaging and localized chemical delivery at surfaces and interfaces. Angewandte Chemie (International Edition), Volume 50 (Number 41). pp. 9638-9642. doi:10.1002/anie.201102796

McKelvey, Kim M. (Kim Martin), Snowden, Michael E., Peruffo, Massimo and Unwin, Patrick R. (2011) Quantitative visualization of molecular transport through porous membranes : enhanced resolution and contrast using intermittent contact-scanning electrochemical microscopy. Analytical Chemistry, Vol.83 (No.17). pp. 6447-6454. doi:10.1021/ac201489c

Lai, Stanley Chi Shing, Dudin, Petr V., Macpherson, Julie V. and Unwin, Patrick R. (2011) Visualizing zeptomole (electro)catalysis at single nanoparticles within an ensemble. Journal of the American Chemical Society, Volume 133 (Number 28). pp. 10744-10747. doi:10.1021/ja203955b

Hutton, Laura A., Vidotti, Marcio, Iacobini, James G., Kelly, C. (Chris), Newton, Mark E., Unwin, Patrick R. and Macpherson, Julie V. (2011) Fabrication and characterization of an all-diamond tubular flow microelectrode for electroanalysis. Analytical Chemistry, Vol.83 (No.14). pp. 5804-5808. doi:10.1021/ac2010247

Mbogoro, Michael M., Snowden, Michael E., Edwards, Martin A., Peruffo, Massimo and Unwin, Patrick R. (2011) Intrinsic kinetics of gypsum and calcium sulfate anhydrite dissolution : surface selective studies under hydrodynamic control and the effect of additives. The Journal of Physical Chemistry Part C: Nanomaterials, Interfaces and Hard Matter, Volume 115 (Number 20). pp. 10147-10154. doi:10.1021/jp201718b

Edwards, Martin A., Whitworth, Anna L. and Unwin, Patrick R. (2011) Quantitative analysis and application of tip position modulation-scanning electrochemical microscopy. Analytical Chemistry, Vol.83 (No.6). pp. 1977-1984. doi:10.1021/ac102680v

Macpherson, Julie V., Dudin, Petr V., Ebejer, Neil, Güell, Aleix G., McKelvey, Kim M. (Kim Martin) and Unwin, Patrick R. (2011) Further electrochemical adventures with single walled carbon nanotubes. American Chemical Society. Abstracts of Papers (at the National Meeting), Vol.241 (No. 1225-CHED ).

Rutkowska, Agnieszka, Bawazeer, Tahani M., Macpherson, Julie V. and Unwin, Patrick R. (2011) Visualisation of electrochemical processes at optically transparent carbon nanotube ultramicroelectrodes (OT-CNT-UMEs). Physical Chemistry Chemical Physics, Vol.13 (No.12). p. 5223. doi:10.1039/c0cp02804e

Snowden, Michael E., Unwin, Patrick R. and Macpherson, Julie V. (2011) Single walled carbon nanotube channel flow electrode : hydrodynamic voltammetry at the nanomolar level. Electrochemistry Communications, Volume 13 (Number 2). pp. 186-189. doi:10.1016/j.elecom.2010.12.009

Fisher, Robin D., Mbogoro, Michael M., Snowden, Michael E., Joseph, Maxim B., Covington, James A., Unwin, Patrick R. and Walton, Richard I. (2011) Dissolution kinetics of polycrystalline calcium sulfate-based materials : influence of chemical modification. ACS Applied Materials & Interfaces, Vol.3 (No.9). pp. 3528-3537. doi:10.1021/am200754q

Hutton, Laura A., Vidotti, Marcio, Patel, Anisha N., Newton, Mark E., Unwin, Patrick R. and Macpherson, Julie V. (2011) Electrodeposition of nickel hydroxide nanoparticles on boron-doped diamond electrodes for oxidative electrocatalysis. The Journal of Physical Chemistry Part C: Nanomaterials, Interfaces and Hard Matter, Vol.115 (No.5). pp. 1649-1658. doi:10.1021/jp109526b

Schnippering, Mathias, Neil, Simon R. T., Mackenzie, Stuart R. and Unwin, Patrick R. (2011) Evanescent wave cavity-based spectroscopic techniques as probes of interfacial processes. Chemical Society Reviews, Vol.40 (No.1). pp. 207-220. doi:10.1039/c0cs00017e

Hutton, Laura A., Newton, Mark E., Unwin, Patrick R. and Macpherson, Julie V. (2011) Factors controlling stripping voltammetry of lead at polycrystalline boron doped diamond electrodes : new insights from high-resolution microscopy. Analytical Chemistry, Vol.83 (No.3). pp. 735-745. doi:10.1021/ac101626s

Silver, Barry R., Fulop, Vilmos and Unwin, Patrick R. (2011) Protein crystallization at oil/water interfaces. New Journal of Chemistry, Vol.35 (No.3). pp. 602-606. doi:10.1039/c0nj00822b

Cannan, Susan, Cervera, J. (Javier), Steliaros (née Haskins), Rebecca J., Bitziou, Eleni, Whitworth, Anna L. and Unwin, Patrick R. (2011) Scanning electrochemical microscopy (SECM) studies of catalytic EC′ processes : theory and experiment for feedback, generation/collection and imaging measurements. Physical Chemistry Chemical Physics, Volume 13 (Number 12). pp. 5403-5412. doi:10.1039/c0cp02530e

2010

Ebejer, Neil, Schnippering, Mathias, Colburn, Alex W., Edwards, Martin A. and Unwin, Patrick R. (2010) Localized high resolution electrochemistry and multifunctional imaging : scanning electrochemical cell microscopy. Analytical Chemistry, Vol.82 (No.22). pp. 9141-9145. doi:10.1021/ac102191u

McGeouch, Carrie-Anne, Edwards, Martin A., Mbogoro, Michael M., Parkinson, Charles and Unwin, Patrick R. (2010) Scanning electrochemical microscopy as a quantitative probe of acid-induced dissolution: theory and application to dental enamel. Analytical Chemistry, Vol.82 (No.22). pp. 9322-9328. doi:10.1021/ac101662h

Powell, Hayley V., Schnippering, Mathias, Cheung, Michelle, Macpherson, Julie V., Mackenzie, Stuart R., Stavros, Vasilios G. and Unwin, Patrick R. (2010) Probing redox reactions of immobilized cytochrome c using evanescent wave cavity ring-down spectroscopy in a thin-layer electrochemical cell. ChemPhysChem, Vol.11 (No.13). pp. 2985-2991. doi:10.1002/cphc.201000213

Guell, Aleix G., Meadows, Katherine E., Unwin, Patrick R. and Macpherson, Julie V. (2010) Trace voltammetric detection of serotonin at carbon electrodes : comparison of glassy carbon, boron doped diamond and carbon nanotube network electrodes. Physical Chemistry Chemical Physics, Vol.12 (No.34). pp. 10108-10114. doi:10.1039/c0cp00675k

Dudin, Petr V., Unwin, Patrick R. and Macpherson, Julie V. (2010) Electrochemical nucleation and growth of gold nanoparticles on single-walled carbon nanotubes : new mechanistic insights. The Journal of Physical Chemistry Part C: Nanomaterials, Interfaces and Hard Matter, Vol.114 (No.31). pp. 13241-13248. doi:10.1021/jp1043706

McKelvey, Kim M. (Kim Martin), Edwards, Martin A. and Unwin, Patrick R. (2010) Intermittent contact-scanning electrochemical microscopy (IC-SECM): a new approach for tip positioning and simultaneous imaging of interfacial topography and activity. Analytical Chemistry, Vol.82 (No.15). pp. 6334-6337. doi:10.1021/ac101099e

Bitziou, Eleni, Rudd, Nicola C., Szunerits, Sabine and Unwin, Patrick R. (2010) Microelectrode systems for the study of photochemical processes in solution. Journal of Electroanalytical Chemistry, Vol.646 (No.1-2 Sp. Iss. SI). pp. 60-67. doi:10.1016/j.jelechem.2010.01.009

Snowden, Michael E., King, Philip H., Covington, James A., Macpherson, Julie V. and Unwin, Patrick R. (2010) Fabrication of versatile channel flow cells for quantitative electroanalysis using prototyping. Analytical Chemistry, Vol.82 (No.8). pp. 3124-3131. doi:10.1021/ac100345v

Zhang, Meiqin, Powell, Hayley V., Mackenzie, Stuart R. and Unwin, Patrick R. (2010) Kinetics of porphyrin adsorption and DNA-assisted desorption at the silica-water interface. Langmuir, Vol.26 (No.6). pp. 4004-4012. doi:10.1021/la903438p

Dumitrescu, Ioana, Dudin, Petr V., Edgeworth, Jonathan P., Macpherson, Julie V. and Unwin, Patrick R. (2010) Electron transfer kinetics at single-walled carbon nanotube electrodes using scanning electrochemical microscopy. The Journal of Physical Chemistry Part C: Nanomaterials, Interfaces and Hard Matter, Vol.114 (No.6). pp. 2633-2639. doi:10.1021/jp908830d

van der Sneppen, Lineke, Hancock, Gus, Kaminski, Clemens, Laurila, Toni, Mackenzie, Stuart R., Neil, Simon R. T., Peverall, Robert, Ritchie, Grant A. D., Schnippering, Mathias and Unwin, Patrick R. (2010) Following interfacial kinetics in real time using broadband evanescent wave cavity-enhanced absorption spectroscopy: a comparison of light-emitting diodes and supercontinuum sources. Analyst, Vol.135 (No.1). pp. 133-139. doi:10.1039/b916712a

2009

Dumitrescu, Ioana, Unwin, Patrick R. and Macpherson, Julie V. (2009) Electrochemistry at carbon nanotubes : perspective and issues. Chemical Communications (No.45). pp. 6886-6901. doi:10.1039/b909734a

Schnippering, Mathias, Powell, Hayley V., Mackenzie, Stuart R. and Unwin, Patrick R. (2009) Real-time monitoring of polyaniline nanoparticle formation on surfaces. Journal of Physical Chemistry C, Vol.113 (No.47). pp. 20221-20227. doi:10.1021/jp906771c

Dumitrescu, Ioana, Unwin, Patrick R. and Macpherson, Julie V. (2009) Electrochemical impedance spectroscopy at single-walled carbon nanotube network ultramicroelectrodes. Electrochemistry Communications, Vol.11 (No.11). pp. 2081-2084. doi:10.1016/j.elecom.2009.08.057

Peruffo, Massimo, Contreras-Carballada, Pablo, Bertoncello, Paolo, Williams, Rene M., De Cola, Luisa and Unwin, Patrick R. (2009) Potential-assisted assembly of functionalised platinum nanoparticles on electrode surfaces. Electrochemistry Communications, Vol.11 (No.10). pp. 1885-1887. doi:10.1016/j.elecom.2009.08.009

Dumitrescu, Ioana, Edgeworth, Jonathan P., Unwin, Patrick R. and Macpherson, Julie V. (2009) Ultrathin carbon nanotube mat electrodes for enhanced amperometric detection. Advanced Materials, Vol.21 (No.30). pp. 3105-3109. doi:10.1002/adma.200900402

Edwards, Martin A., Williams, Cara G., Whitworth, Anna L. and Unwin, Patrick R. (2009) Scanning ion conductance microscopy: a model for experimentally realistic conditions and image interpretation. Analytical Chemistry, Vol.81 (No.11). pp. 4482-4492. doi:10.1021/ac900376w

Mbogoro, Michael M., Edwards, Martin A. and Unwin, Patrick R. (2009) New analyses of dissolution processes: application to gypsum crystal surfaces. In: 19th Annual VM Goldschmidt Conference, Davos, Switzerland, June 21, 2009. Published in: Geochimica et Cosmochimica Acta, Vol.73 (No.13 Suppl. S). A854-A854. ISSN 0016-7037. doi:10.1016/j.gca.2009.05.011

McGeouch, C-A., Edwards, M. A., Mbogoro, Michael M., Unwin, Patrick R. and Parkinson, C. R. (2009) A new approach to the study of calcite dissolution utilising localised electrochemical proton generation. In: 19th Annual VM Goldschmidt Conference, Davos, Switzerland, June 21, 2009. Published in: Geochimica et Cosmochimica Acta, Vol.73 (No.13 Suppl. S). A858-A858. ISSN 0016-7037. doi:10.1016/j.gca.2009.05.011

Edwards, Martin A., Bertoncello, Paolo and Unwin, Patrick R. (2009) Slow diffusion reveals the intrinsic electrochemical activity of basal plane highly oriented pyrolytic graphite electrodes. Journal of Physical Chemistry C, Vol.113 (No.21). pp. 9218-9223. doi:10.1021/jp8092918

Williams, Cara G., Edwards, Martin A., Colley, Anna L., Macpherson, Julie V. and Unwin, Patrick R. (2009) Scanning micropipet contact method for high-resolution imaging of electrode surface redox activity. Analytical Chemistry, Vol.81 (No.7). pp. 2486-2495. doi:10.1021/ac802114r

Unwin, Patrick R. and Unwin, Robert W. (2009) Humphry Davy and The Royal Institution of Great Britain. Notes and Records of The Royal Society, Vol.63 (No.1). pp. 7-33. doi:10.1098/rsnr.2008.0010

Li, Fei, Edwards, Martin A., Guo, Jidong and Unwin, Patrick R. (2009) Silver particle nucleation and growth at liquid/liquid interfaces: a scanning electrochemical microscopy approach. Journal of Physical Chemistry C, Vol.113 (No.9). pp. 3553-3565. doi:10.1021/jp809165t

Hutton, Laura A., Newton, Mark E., Unwin, Patrick R. and Macpherson, Julie V. (2009) Amperometric oxygen sensor based on a platinum nanoparticle-modified polycrystalline boron doped diamond disk electrode. Analytical Chemistry, Vol.81 (No.3). pp. 1023-1032. doi:10.1021/ac8020906

Powell, Hayley V., Schnippering, Mathias, Mazurenka, Mikhail, Macpherson, Julie V., Mackenzie, Stuart R. and Unwin, Patrick R. (2009) 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. Langmuir, Vol.25 (No.1). pp. 248-255. doi:10.1021/la802707q

Zhang, Jie, Burt, David P., Whitworth, Anna L., Mandler, Daniel and Unwin, Patrick R. (2009) Polyaniline Langmuir-Blodgett films: formation and properties. Physical Chemistry Chemical Physics, Vol.11 (No.18). pp. 3490-3496. doi:10.1039/b819809h

2008

Grime, John M. A., Edwards, Martin A. and Unwin, Patrick R. (2008) Reply to Missner et al. : Timescale for passive diffusion across bilayer lipid membranes. Proceedings of the National Academy of Sciences of the United States of America, Vol.105 (No.52). E124-E124. doi:10.1073/pnas.0810963106

Schnippering, Mathias, Unwin, Patrick R., Hult, Johan, Laurila, Toni, Kaminski, Clemens F., Langridge, Justin M., Jones, Roderic L., Mazurenka, Mikhail and Mackenzie, Stuart R. (2008) Evanescent wave broadband cavity enhanced absorption spectroscopy using supercontinuum radiation : a new probe of electrochemical processes. Electrochemistry Communications, Vol.10 (No.12). pp. 1827-1830. doi:10.1016/j.elecom.2008.09.014

Burt, David P., Wilson, Neil R., Janus, Ulrich, Macpherson, Julie V. and Unwin, Patrick R. (2008) In-situ atomic force microscopy (AFM) imaging : influence of AFM probe geometry on diffusion to microscopic surfaces. Langmuir, Vol.24 (No.22). pp. 12867-12876. doi:10.1021/la8003323

Ventosa, Edgar, Palacios, Jesus Lopez and Unwin, Patrick R. (2008) Nucleation and growth of poly(3,4-ethylenedioxythiophene) thin films on highly oriented pyrolytic graphite (HOPG) electrodes. Electrochemistry Communications, Vol.10 (No.11). pp. 1752-1755. doi:10.1016/j.elecom.2008.09.003

Schnippering, Mathias, Powell, Hayley V., Zhang, Meiqin, Macpherson, Julie V., Unwin, Patrick R., Mazurenka, Mikhail and Mackenzie, Stuart R. (2008) Surface assembly and redox dissolution of silver nanoparticles monitored by evanescent wave cavity ring-down spectroscopy. The Journal of Physical Chemistry Part C: Nanomaterials, Interfaces and Hard Matter, Vol.112 (No.39). pp. 15274-15280. doi:10.1021/jp804615m

Grime, John M. A., Edwards, Martin A., Rudd, Nicola C. and Unwin, Patrick R. (2008) Quantitative visualization of passive transport across bilayer lipid membranes. Proceedings of the National Academy of Sciences of the United States of America, Vol.105 (No.38). pp. 14277-14282. doi:10.1073/pnas.0803720105

Colley, Anna L., Macpherson, Julie V. and Unwin, Patrick R. (2008) Effect of high rates of mass transport on oxygen reduction at copper electrodes : implications for aluminium corrosion. Electrochemistry Communications, Vol.10 (No.9). pp. 1334-1336. doi:10.1016/j.elecom.2008.06.032

Li, Fei, Ciani, Ilenia, Bertoncello, Paolo, Unwin, Patrick R., Zhao, Jianjun, Bradbury, Christopher R. and Fermin, David J. (2008) Scanning electrochemical microscopy of redox-mediated hydrogen evolution catalyzed by two-dimensional assemblies of palladium nanoparticles. The Journal of Physical Chemistry Part C: Nanomaterials, Interfaces and Hard Matter, Volume 112 (Number 26). pp. 9686-9694. doi:10.1021/jp8001228

Li, Fei, Bertoncello, Paolo, Ciani, Ilenia, Mantovani, Giuseppe and Unwin, Patrick R. (2008) Incorporation of functionalized palladium nanoparticles within ultrathin Nafion films: A nanostructured composite for electrolytic and redox-mediated hydrogen evolution. Advanced Functional Materials, Vol.18 (No.11). pp. 1685-1693. doi:10.1002/adfm.200701447

Burt, David P. and Unwin, Patrick R. (2008) Minimally invasive spatial and temporal concentration profiling within working glucose biosensors. Electrochemistry Communications, Vol.10 (No.6). pp. 934-937. doi:10.1016/j.elecom.2008.04.019

Bertoncello, Paolo, Peruffo, Massimo, Li, Fei and Unwin, Patrick R. (2008) Functional electrochemically-active ultra-thin Nafion films. Colloids and Surfaces A: Physicochemical and Engineering Aspects, Vol.321 (No.1-3, Sp. Iss. SI). pp. 222-226. doi:10.1016/j.colsurfa.2007.12.053

Dumitrescu, Ioana, Unwin, Patrick R., Wilson, Neil R. and Macpherson, Julie V. (2008) Single-walled carbon nanotube network ultramicroelectrodes. Analytical Chemistry, Vol.80 (No.10). pp. 3598-3605. doi:10.1021/ac702518g

Dale, Sara E. C. and Unwin, Patrick R. (2008) Polarised liquid/liquid micro-interfaces move during charge transfer. Electrochemistry Communications, Vol.10 (No.5). pp. 723-726. doi:10.1016/j.elecom.2008.02.023

Mazurenka, Mikhail, Hamilton, Suzanne M., Unwin, Patrick R. and Mackenzie, Stuart R. (2008) In-situ measurement of colloidal gold adsorption on functionalized silica surfaces. Journal of Physical Chemistry C, Vol.112 (No.16). pp. 6462-6468. doi:10.1021/jpS00706j

Unwin, Patrick R., Schnippering, Mathias, Morley, Hayley , Zhang, Meiqin, Williams, Cara G., Colley, Anna L., Rutkowska, Agnieszka, Edwards, Martin A., Macpherson, Julie V., Mazurenka, Mikhail and Mackenzie, Stuart R. (2008) COLL 399-Probing and directing heterogeneous electron transfer at the nanoscale. In: 235th American-Chemical-Society National Meeting, New Orleans, LA, Apr 06-10, 2008. Published in: Abstracts of papers of the American Chemical Society, Vol.235 ISSN 0065-7727.

Williams, Cara G., Macpherson, Julie V., Unwin, Patrick R. and Parkinson, C. (Charles) (2008) Laser scanning confocal microscopy coupled with hydraulic permeability measurements for elucidating fluid flow across porous materials : application to human dentine. Analytical Sciences, Vol.24 (No.4). pp. 437-442. doi:10.2116/analsci.24.437

Silver, Barry R. and Unwin, Patrick R. (2008) Protein crystals make it big at electrode surfaces. Chemical Communications (41). pp. 5179-5181. doi:10.1039/b810226k

Amemiya, Shigeru, Bard, Allen J., Fan, Fu-Ren F., Mirkin, Michael V. and Unwin, Patrick R. (2008) Scanning electrochemical microscopy. Annual Review of Analytical Chemistry, Vol.1 . pp. 95-131. doi:10.1146/annurev.anchem.1.031207.112938

2007

Bertoncello, Paolo, Dennany, Lynn, Forster, Robert J. and Unwin, Patrick R. (2007) Nafion - Tris(2-2'-bipyridyl)ruthenium(II) ultrathin Langmuir - Schaefer films: Redox catalysis and electrochemiluminescent properties. Analytical Chemistry, Vol.79 (No.19). pp. 7549-7553. doi:10.1021/ac070811m

Bertoncello, Paolo, Edgeworth, Jonathan P., Macpherson, Julie V. and Unwin, Patrick R. (2007) Trace level cyclic voltarnmetry facilitated by single-walled carbon nanotube network electrodes. Journal of the American Chemical Society, Vol.129 (No.36). pp. 10982-10983. doi:10.1021/ja073360w

Unwin, Patrick R. and Unwin, Robert (2007) 'A devotion to the experimental sciences and arts': the subscription to the great battery at the Royal Institution 1808-9. British Journal for the History of Science, Vol.40 (No.2). pp. 181-203. doi:10.1017/S000708740700948X

Unwin, Patrick R. and Unwin, Robert (2007) ‘A devotion to the experimental sciences and arts’: the subscription to the great battery at the Royal Institution 1808–9. British Journal for the History of Science, Vol.40 (No.2). pp. 181-203. doi:10.1017/S000708740700948X

Bertoncello, Paolo, Peruffo, Massimo and Unwin, Patrick R. (2007) Formation and evaluation of electrochemically-active ultra-thin palladium-Nafion nanocomposite films. Chemical Communications, Vol.2007 (No.16). pp. 1597-1599. doi:10.1039/b702537h

Bitziou, Eleni, Rudd, Nicola C. and Unwin, Patrick R. (2007) Microjet ring electrode (MJRE): Development, modelling and experimental characterisation. Journal of Electroanalytical Chemistry, Vol.602 (No.2). pp. 263-274. doi:10.1016/j.jelechem.2007.01.014

Li, Fei, Whitworth, Anna L. and Unwin, Patrick R. (2007) 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). Journal of Electroanalytical Chemistry, Vol.602 (No.1). pp. 70-76. doi:10.1016/j.jelechem.2006.12.002

Bertoncello, Paolo, Ciani, Ilenia, Marenduzzo, Davide and Unwin, Patrick R. (2007) Kinetics of solute partitioning into ultrathin Nafion films on electrode surfaces: Theory and experimental measurement. Journal of Physical Chemistry C, Vol.111 (No.1). pp. 294-302. doi:10.1021/jp0653981

Unwin, Patrick R. (2007) Concluding remarks - Crystal growth and nucleation : tracking precursors to polymorphs. Faraday Discussions, Volume 136 . pp. 409-416. doi:10.1039/b707653n

Strutwolf, Jorg, Zhang, Jie and Unwin, Patrick R. (2007) Investigation of molecular transfer processes across phospholipid monolayers by the combined scanning electrochemical microscopy - Langmuir trough technique. Progress in Reaction Kinetics and Mechanism, Volume 32 (Number 4). pp. 195-217. doi:10.3184/146807X247749

Bertoncello, Paolo, Wilson, Neil R. and Unwin, Patrick R. (2007) One-step formation of ultra-thin chemically functionalized redox-active Langmuir-Schaefer Nafion films. Soft Matter, Volume 3 (Number 10). pp. 1300-1307. doi:10.1039/b709278d

2006

Bertoncello, Paolo, Ciani, Ilenia, Li, Fei and Unwin, Patrick R. (2006) Measurement of apparent diffusion coefficients within ultrathin Nafion Langmuir-Schaefer films: Comparison of a novel scanning electrochemical microscopy approach with cyclic voltammetry. LANGMUIR, 22 (25). pp. 10380-10388. doi:10.1021/la061214i

Edwards, Martin A., Martin, Sophie, Whitworth, Anna L., Macpherson, Julie V. and Unwin, Patrick R. (2006) Scanning electrochemical microscopy: principles and applications to biophysical systems. PHYSIOLOGICAL MEASUREMENT, 27 (12). R63-R108. doi:10.1088/0967-3334/27/12/R01

Mazurenka, Mikhail, Wilkins, Lucas, Macpherson, Julie V., Unwin, Patrick R. and Mackenzie, Stuart R. (2006) Evanescent wave cavity ring-down spectroscopy in a thin-layer electrochemical cell. Analytical Chemistry, 78 (19). pp. 6833-6839. doi:10.1021/ac060678i

O'Mullane, Anthony P., Dale, Sara E., Day, Thomas M., Wilson, Neil R., Macpherson, Julie V. and Unwin, Patrick R. (2006) Formation of polyaniline/Pt nanoparticle composite films and their electrocatalytic properties. JOURNAL OF SOLID STATE ELECTROCHEMISTRY, 10 (10). pp. 792-807. doi:10.1007/s10008-006-0176-1

Greenwell, H. C., Bindley, L. A., Unwin, Patrick R., Holliman, P. J., Jones, W., Coveney, P. V. and Barnes, S. L. (2006) In situ monitoring of crystal growth and dissolution of oriented layered double-hydroxide crystals immobilized on silicon. In: Summer School on New Advances in Crystal Growth and Nucleation of Complex Materials, Barga, ITALY, AUG 27-SEP 03, 2005. Published in: JOURNAL OF CRYSTAL GROWTH, 294 (1). pp. 53-59. ISSN 0022-0248. doi:10.1016/j.jcrysgro.2006.05.048

Bertoncello, Paolo, Kefalos, Evangelos T., Pikramenou, Zoe, Unwin, Patrick R. and Forster, Robert J. (2006) Adsorption dynamics and electrochemical and photophysical properties of thiolated ruthenium 2,2 '-bipyridine monolayers. Journal of Physical Chemistry B, Volume 110 (Number 20). pp. 10063-10069. doi:10.1021/jp057276j

Colley, Anna L., Williams, Cara G., Johansson, Ulrika D'H., Newton, Mark E., Unwin, Patrick R., Wilson, Neil R. and Macpherson, Julie V. (2006) Examination of the spatially heterogeneous electroactivity of boron-doped diamond microarray electrodes. Analytical Chemistry, Vol.78 (No.8). pp. 2539-2548. doi:10.1021/ac0520994

Nicholson, Patrick G., Ruiz, Virginia, Macpherson, Julie V. and Unwin, Patrick R. (2006) Effect of composition on the conductivity and morphology of poly (3-hexylthiophene)/gold nanoparticle composite Langmuir-Schaeffer films. PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 8 (43). pp. 5096-5105. doi:10.1039/b605691c

2004

Barker, Anna L., Unwin, Patrick R., Gardner, J. W. and Rieley, Hugh (2004) A multi-electrode probe for parallel imaging in scanning electrochemical microscopy. Electrochemistry Communications, 6 (1). pp. 91-97. doi:10.1016/j.elecom.2003.10.019

2000

Gonsalves, Marylou, Barker, Anna L., Macpherson, Julie V., Unwin, Patrick R., O'Hare, D. (Danny) and Winlove, C. Peter (2000) Scanning electrochemical microscopy as a local probe of oxygen permeability in cartilage. Biophysical Journal, Vol.78 (No.3). pp. 1578-1588. doi:10.1016/S0006-3495(00)76710-5