Patrick R Unwin - Publications

Affiliations: 
Chemistry Warwick University, UK 
Area:
Electrochemistry, Electrochemical Imaging, Interfacial chemistry,
Website:
https://www2.warwick.ac.uk/fac/sci/chemistry/research/unwin/electrochemistry/home/

130 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2019 Daviddi E, Gonos KL, Colburn AW, Bentley CL, Unwin PR. Scanning Electrochemical Cell Microscopy (SECCM) Chronopotentiometry: Development and Applications in Electroanalysis and Electrocatalysis. Analytical Chemistry. PMID 31251561 DOI: 10.1021/acs.analchem.9b02091  0.56
2018 E SP, Kang M, Wilson P, Meng L, Perry D, Basile A, Unwin PR. High resolution visualization of the redox activity of LiOin non-aqueous media: conformal layer vs. toroid structure. Chemical Communications (Cambridge, England). PMID 29513314 DOI: 10.1039/c7cc09957f  0.6
2017 Bentley CL, Kang M, Maddar FM, Li F, Walker M, Zhang J, Unwin PR. Electrochemical maps and movies of the hydrogen evolution reaction on natural crystals of molybdenite (MoS2): basal vs. edge plane activity. Chemical Science. 8: 6583-6593. PMID 28989686 DOI: 10.1039/c7sc02545a  0.64
2017 Tan SY, Zhang J, Bond AM, Macpherson JV, Unwin PR. 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. PMID 28644008 DOI: 10.1021/acs.analchem.7b01664  1
2017 Tan SY, Lazenby RA, Bano K, Zhang J, Bond AM, Macpherson JV, Unwin PR. Comparison of fast electron transfer kinetics at platinum, gold, glassy carbon and diamond electrodes using Fourier-transformed AC voltammetry and scanning electrochemical microscopy. Physical Chemistry Chemical Physics : Pccp. PMID 28317963 DOI: 10.1039/c7cp00968b  1
2017 Tan SY, Unwin PR, Macpherson JV, Zhang J, Bond AM. Probing Electrode Heterogeneity Using Fourier-Transformed Alternating Current Voltammetry: Application to a Dual-Electrode Configuration. Analytical Chemistry. PMID 28192945 DOI: 10.1021/acs.analchem.6b03924  1
2016 Zhang G, Tan SY, Patel AN, Unwin PR. Electrochemistry of Fe(3+/2+) at highly oriented pyrolytic graphite (HOPG) electrodes: kinetics, identification of major electroactive sites and time effects on the response. Physical Chemistry Chemical Physics : Pccp. PMID 27858021 DOI: 10.1039/c6cp06472h  0.68
2016 E SP, Kim YR, Perry D, Bentley CL, Unwin PR. Nanoscale Electrocatalysis of Hydrazine Electro-Oxidation at Blistered Graphite Electrodes. Acs Applied Materials & Interfaces. PMID 27739301 DOI: 10.1021/acsami.6b10940  0.6
2016 Maddar FM, Lazenby RA, Patel AN, Unwin PR. 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 : Pccp. 18: 26404-26411. PMID 27711627 DOI: 10.1039/c6cp05394g  0.68
2016 Bentley CL, Kang M, Unwin PR. 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. PMID 27611725 DOI: 10.1021/jacs.6b08124  1
2016 Momotenko D, Page A, Adobes-Vidal M, Unwin PR. Write-Read 3D Patterning with a Dual-Channel Nanopipette. Acs Nano. 10: 8871-8. PMID 27569272 DOI: 10.1021/acsnano.6b04761  0.4
2016 Unwin PR, Güell AG, Zhang G. Nanoscale Electrochemistry of sp(2) Carbon Materials: From Graphite and Graphene to Carbon Nanotubes. Accounts of Chemical Research. PMID 27501067 DOI: 10.1021/acs.accounts.6b00301  0.76
2016 Oseland EE, Ayres ZJ, Basile A, Haddleton DM, Wilson P, Unwin PR. Surface patterning of polyacrylamide gel using scanning electrochemical cell microscopy (SECCM). Chemical Communications (Cambridge, England). PMID 27430961 DOI: 10.1039/c6cc05153g  1
2016 Zhang G, Walker M, Unwin PR. Low-voltage Voltammetric Electrowetting of Graphite Surfaces by Ion Intercalation/De-intercalation. Langmuir : the Acs Journal of Surfaces and Colloids. PMID 27406680 DOI: 10.1021/acs.langmuir.6b01506  0.6
2016 Kang M, Momotenko D, Page A, Perry D, Unwin PR. Frontiers in Nanoscale Electrochemical Imaging: Faster, Multifunctional and Ultrasensitive. Langmuir : the Acs Journal of Surfaces and Colloids. PMID 27396415 DOI: 10.1021/acs.langmuir.6b01932  1
2016 Parker AS, Al Botros R, Kinnear SL, Snowden ME, McKelvey K, Ashcroft AT, Carvell M, Joiner A, Peruffo M, Philpotts C, Unwin PR. 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: 94-102. PMID 27209395 DOI: 10.1016/j.jcis.2016.05.018  0.88
2016 Perry D, Momotenko D, Lazenby RA, Kang M, Unwin PR. Characterization of Nanopipettes. Analytical Chemistry. PMID 27108872 DOI: 10.1021/acs.analchem.6b01095  1
2016 Zhang G, Güell AG, Kirkman PM, Lazenby RA, Miller TS, Unwin PR. Versatile Polymer-Free Graphene Transfer Method and Applications. Acs Applied Materials & Interfaces. PMID 26953499 DOI: 10.1021/acsami.6b00681  1
2016 Troadec T, Tan SY, Wedge CJ, Rourke JP, Unwin PR, Chaplin AB. One-Electron Oxidation of [M(P(t) Bu3 )2 ] (M=Pd, Pt): Isolation of Monomeric [Pd(P(t) Bu3 )2 ](+) and Redox-Promoted C-H Bond Cyclometalation. Angewandte Chemie (International Ed. in English). 55: 3754-7. PMID 26879233 DOI: 10.1002/anie.201511467  0.64
2016 Tan SY, Zhang J, Bond AM, Macpherson JV, Unwin PR. Impact of Adsorption on Scanning Electrochemical Microscopy (SECM) Voltammetry and Implications for Nanogap Measurements. Analytical Chemistry. PMID 26877069 DOI: 10.1021/acs.analchem.5b04715  1
2016 Perry D, Paulose Nadappuram B, Momotenko D, Voyias PD, Page A, Tripathi G, Frenguelli BG, Unwin PR. Surface Charge Visualization at Viable Living Cells. Journal of the American Chemical Society. PMID 26871001 DOI: 10.1021/jacs.5b13153  0.4
2016 Cuharuc AS, Zhang G, Unwin PR. Electrochemistry of ferrocene derivatives on highly oriented pyrolytic graphite (HOPG): quantification and impacts of surface adsorption. Physical Chemistry Chemical Physics : Pccp. 18: 4966-77. PMID 26812483 DOI: 10.1039/c5cp06325f  0.6
2016 Momotenko D, McKelvey K, Kang M, Meloni GN, Unwin PR. Simultaneous Interfacial Reactivity and Topography Mapping with Scanning Ion Conductance Microscopy (SICM). Analytical Chemistry. PMID 26798938 DOI: 10.1021/acs.analchem.5b04566  0.68
2015 Lai SCS, Lazenby RA, Kirkman PM, Unwin PR. Nucleation, aggregative growth and detachment of metal nanoparticles during electrodeposition at electrode surfaces. Chemical Science. 6: 1126-1138. PMID 29560200 DOI: 10.1039/c4sc02792b  1
2015 Aaronson BD, Garoz-Ruiz J, Byers JC, Colina A, Unwin PR. Electrodeposition and Screening of Photoelectrochemical Activity in Conjugated Polymers Using Scanning Electrochemical Cell Microscopy. Langmuir : the Acs Journal of Surfaces and Colloids. 31: 12814-22. PMID 26502089 DOI: 10.1021/acs.langmuir.5b03316  0.72
2015 Chen CH, Ravenhill ER, Momotenko D, Kim YR, Lai SC, Unwin PR. Impact of Surface Chemistry on Nanoparticle-Electrode Interactions in the Electrochemical Detection of Nanoparticle Collisions. Langmuir : the Acs Journal of Surfaces and Colloids. PMID 26448140 DOI: 10.1021/acs.langmuir.5b03033  0.68
2015 Byers JC, Paulose Nadappuram B, Perry D, McKelvey K, Colburn AW, Unwin PR. Single Molecule Electrochemical Detection in Aqueous Solutions and Ionic Liquids. Analytical Chemistry. PMID 26398675 DOI: 10.1021/acs.analchem.5b02569  1
2015 E SP, Miller TS, Macpherson JV, Unwin PR. Controlled functionalisation of single-walled carbon nanotube network electrodes for the enhanced voltammetric detection of dopamine. Physical Chemistry Chemical Physics : Pccp. 17: 26394-402. PMID 26388328 DOI: 10.1039/c5cp04905a  1
2015 Tamski MA, Macpherson JV, Unwin PR, Newton ME. Electrochemical electron paramagnetic resonance utilizing loop gap resonators and micro-electrochemical cells. Physical Chemistry Chemical Physics : Pccp. 17: 23438-47. PMID 26291423 DOI: 10.1039/c5cp04259c  1
2015 Momotenko D, Byers JC, McKelvey K, Kang M, Unwin PR. High-Speed Electrochemical Imaging. Acs Nano. PMID 26267455 DOI: 10.1021/acsnano.5b02792  0.72
2015 Kang M, Perry D, Kim YR, Colburn AW, Lazenby RA, Unwin PR. Time-Resolved Detection and Analysis of Single Nanoparticle Electrocatalytic Impacts. Journal of the American Chemical Society. 137: 10902-5. PMID 26264494 DOI: 10.1021/jacs.5b05856  1
2015 Perry D, Al Botros R, Momotenko D, Kinnear SL, Unwin PR. Simultaneous Nanoscale Surface Charge and Topographical Mapping. Acs Nano. 9: 7266-76. PMID 26132922 DOI: 10.1021/acsnano.5b02095  0.4
2015 Chen CH, Jacobse L, McKelvey K, Lai SC, Koper MT, Unwin PR. Voltammetric Scanning Electrochemical Cell Microscopy: Dynamic Imaging of Hydrazine Electro-oxidation on Platinum Electrodes. Analytical Chemistry. 87: 5782-9. PMID 25942527 DOI: 10.1021/acs.analchem.5b00988  1
2015 Zhang G, Cuharuc AS, Güell AG, Unwin PR. 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 : Pccp. 17: 11827-38. PMID 25869656 DOI: 10.1039/c5cp00383k  0.6
2015 Aaronson BD, Byers JC, Colburn AW, McKelvey K, Unwin PR. Scanning electrochemical cell microscopy platform for ultrasensitive photoelectrochemical imaging. Analytical Chemistry. 87: 4129-33. PMID 25797893 DOI: 10.1021/acs.analchem.5b00288  0.72
2015 Güell AG, Cuharuc AS, Kim YR, Zhang G, Tan SY, Ebejer N, Unwin PR. Redox-dependent spatially resolved electrochemistry at graphene and graphite step edges. Acs Nano. 9: 3558-71. PMID 25758160 DOI: 10.1021/acsnano.5b00550  1
2015 Nadappuram BP, McKelvey K, Byers JC, Güell AG, Colburn AW, Lazenby RA, Unwin PR. Quad-barrel multifunctional electrochemical and ion conductance probe for voltammetric analysis and imaging. Analytical Chemistry. 87: 3566-73. PMID 25719392 DOI: 10.1021/acs.analchem.5b00379  0.76
2015 Patten HV, Hutton LA, Webb JR, Newton ME, Unwin PR, Macpherson JV. Electrochemical "read-write" microscale patterning of boron doped diamond electrodes. Chemical Communications (Cambridge, England). 51: 164-7. PMID 25387408 DOI: 10.1039/c4cc07830f  1
2014 Güell AG, Meadows KE, Dudin PV, Ebejer N, Byers JC, Macpherson JV, Unwin PR. Selection, characterisation and mapping of complex electrochemical processes at individual single-walled carbon nanotubes: the case of serotonin oxidation. Faraday Discussions. 172: 439-55. PMID 25427004 DOI: 10.1039/c4fd00054d  1
2014 Gogotsi Y, McCreery R, Lyth SM, Dryfe R, Foord J, Velický M, Macpherson J, Duca M, Holt K, Alvarez-Guerra M, Kurig H, Sharma S, Unwin PR, Chen GZ, Shaffer M, et al. Carbon electrode interfaces for synthesis, sensing and electrocatalysis: general discussion. Faraday Discussions. 172: 497-520. PMID 25407536 DOI: 10.1039/C4FD90038C  1
2014 McCreery R, Hu CC, Macpherson J, Velický M, Foord J, Duca M, Holt K, Alvarez-Guerra M, Dryfe R, Sharma S, Unwin PR, Hu J, Chen GZ, Qiu F, Hamers R, et al. Role of surface contaminants, functionalities, defects and electronic structure: general discussion. Faraday Discussions. 172: 365-95. PMID 25407416 DOI: 10.1039/C4FD90027H  1
2014 Gogotsi Y, Guldi D, McCreery R, Hu CC, Merlet C, Béguin F, Hardwick L, Frackowiak E, Macpherson J, Forse A, Chen GZ, Holt K, Dryfe R, Kurig H, Sharma S, ... Unwin PR, et al. Carbon electrodes for energy storage: general discussion. Faraday Discussions. 172: 239-60. PMID 25407339 DOI: 10.1039/C4FD90026J  1
2014 Dryfe R, Chen GZ, Bayer D, Jonsson-Niedziolka M, McCreery R, Macpherson J, Abruña H, Gogotsi Y, Hu CC, Béguin F, Hardwick L, Foord J, Duca M, Howe E, Holt K, ... ... Unwin PR, et al. The many faces of carbon in electrochemistry: general discussion. Faraday Discussions. 172: 117-37. PMID 25406455 DOI: 10.1039/C4FD90025A  1
2014 Meadows KE, Nadappuram BP, Unwin PR. A new approach for the fabrication of microscale lipid bilayers at glass pipets: Application to quantitative passive permeation visualization Soft Matter. 10: 8433-8441. PMID 25221789 DOI: 10.1039/c3sm51406d  1
2014 McKelvey K, Kinnear SL, Perry D, Momotenko D, Unwin PR. Surface charge mapping with a nanopipette. Journal of the American Chemical Society. 136: 13735-44. PMID 25181551 DOI: 10.1021/ja506139u  0.68
2014 O'Connell MA, Snowden ME, McKelvey K, Gayet F, Shirley I, Haddleton DM, Unwin PR. Positionable vertical microfluidic cell based on electromigration in a theta pipet. Langmuir : the Acs Journal of Surfaces and Colloids. 30: 10011-8. PMID 25080122 DOI: 10.1021/la5020412  0.88
2014 Chen CH, Meadows KE, Cuharuc A, Lai SC, Unwin PR. High resolution mapping of oxygen reduction reaction kinetics at polycrystalline platinum electrodes. Physical Chemistry Chemical Physics : Pccp. 16: 18545-52. PMID 25072300 DOI: 10.1039/c4cp01511h  1
2014 Byers JC, Güell AG, Unwin PR. Nanoscale electrocatalysis: visualizing oxygen reduction at pristine, kinked, and oxidized sites on individual carbon nanotubes. Journal of the American Chemical Society. 136: 11252-5. PMID 25061694 DOI: 10.1021/ja505708y  0.76
2014 Zhang G, Kirkman PM, Patel AN, Cuharuc AS, McKelvey K, Unwin PR. Molecular functionalization of graphite surfaces: basal plane versus step edge electrochemical activity. Journal of the American Chemical Society. 136: 11444-51. PMID 25035922 DOI: 10.1021/ja505266d  0.68
2014 Parker AS, Patel AN, Al Botros R, Snowden ME, McKelvey K, Unwin PR, Ashcroft AT, Carvell M, Joiner A, Peruffo M. Measurement of the efficacy of calcium silicate for the protection and repair of dental enamel. Journal of Dentistry. 42: S21-9. PMID 24993852 DOI: 10.1016/S0300-5712(14)50004-8  0.88
2014 Newland JC, Unwin PR, Macpherson JV. Investigation of molecular partitioning between non polar oil droplets and aqueous solution using double potential step chronoamperometry. Physical Chemistry Chemical Physics : Pccp. 16: 10456-63. PMID 24647660 DOI: 10.1039/c4cp00231h  1
2014 McKelvey K, Perry D, Byers JC, Colburn AW, Unwin PR. Bias modulated scanning ion conductance microscopy. Analytical Chemistry. 86: 3639-46. PMID 24617313 DOI: 10.1021/ac5003118  1
2014 Kleijn SE, Lai SC, Koper MT, Unwin PR. Electrochemistry of nanoparticles. Angewandte Chemie (International Ed. in English). 53: 3558-86. PMID 24574053 DOI: 10.1002/anie.201306828  1
2014 Aaronson BD, Lai SC, Unwin PR. Spatially resolved electrochemistry in ionic liquids: surface structure effects on triiodide reduction at platinum electrodes. Langmuir : the Acs Journal of Surfaces and Colloids. 30: 1915-9. PMID 24479903 DOI: 10.1021/la500271f  0.68
2014 Miller TS, Macpherson JV, Unwin PR. Electrochemical activation of pristine single walled carbon nanotubes: impact on oxygen reduction and other surface sensitive redox processes. Physical Chemistry Chemical Physics : Pccp. 16: 9966-73. PMID 24472842 DOI: 10.1039/c3cp53717j  1
2014 Actis P, Tokar S, Clausmeyer J, Babakinejad B, Mikhaleva S, Cornut R, Takahashi Y, López Córdoba A, Novak P, Shevchuck AI, Dougan JA, Kazarian SG, Gorelkin PV, Erofeev AS, Yaminsky IV, ... Unwin PR, et al. Electrochemical nanoprobes for single-cell analysis. Acs Nano. 8: 875-84. PMID 24377306 DOI: 10.1021/nn405612q  1
2014 Kirkman PM, Güell AG, Cuharuc AS, Unwin PR. Spatial and temporal control of the diazonium modification of sp2 carbon surfaces. Journal of the American Chemical Society. 136: 36-9. PMID 24325138 DOI: 10.1021/ja410467e  0.76
2014 Güell AG, Meadows KE, Dudin PV, Ebejer N, Macpherson JV, Unwin PR. Mapping nanoscale electrochemistry of individual single-walled carbon nanotubes. Nano Letters. 14: 220-4. PMID 24274402 DOI: 10.1021/nl403752e  1
2013 Patel AN, Tan SY, Miller TS, Macpherson JV, Unwin PR. Comparison and reappraisal of carbon electrodes for the voltammetric detection of dopamine. Analytical Chemistry. 85: 11755-64. PMID 24308368 DOI: 10.1021/ac401969q  1
2013 Kinnear SL, McKelvey K, Snowden ME, Peruffo M, Colburn AW, Unwin PR. Dual-barrel conductance micropipet as a new approach to the study of ionic crystal dissolution kinetics. Langmuir : the Acs Journal of Surfaces and Colloids. 29: 15565-72. PMID 24224979 DOI: 10.1021/la403630u  0.88
2013 Patel AN, Unwin PR, Macpherson JV. Investigation of film formation properties during electrochemical oxidation of serotonin (5-HT) at polycrystalline boron doped diamond. Physical Chemistry Chemical Physics : Pccp. 15: 18085-92. PMID 24060971 DOI: 10.1039/c3cp53513d  1
2013 Patel AN, Tan SY, Unwin PR. Epinephrine electro-oxidation highlights fast electrochemistry at the graphite basal surface Chemical Communications. 49: 8776-8778. PMID 23963443 DOI: 10.1039/c3cc45022h  1
2013 Nadappuram BP, McKelvey K, Al Botros R, Colburn AW, Unwin PR. Fabrication and characterization of dual function nanoscale pH-scanning ion conductance microscopy (SICM) probes for high resolution pH mapping. Analytical Chemistry. 85: 8070-4. PMID 23919610 DOI: 10.1021/ac401883n  0.68
2013 McKelvey K, Nadappuram BP, Actis P, Takahashi Y, Korchev YE, Matsue T, Robinson C, Unwin PR. Fabrication, characterization, and functionalization of dual carbon electrodes as probes for scanning electrochemical microscopy (SECM). Analytical Chemistry. 85: 7519-26. PMID 23795948 DOI: 10.1021/ac401476z  0.68
2013 McKelvey K, Martin S, Robinson C, Unwin PR. Quantitative local photosynthetic flux measurements at isolated chloroplasts and thylakoid membranes using scanning electrochemical microscopy (SECM). The Journal of Physical Chemistry. B. 117: 7878-88. PMID 23751155 DOI: 10.1021/jp403048f  0.68
2013 Ebejer N, Güell AG, Lai SC, McKelvey K, Snowden ME, Unwin PR. Scanning electrochemical cell microscopy: a versatile technique for nanoscale electrochemistry and functional imaging. Annual Review of Analytical Chemistry (Palo Alto, Calif.). 6: 329-51. PMID 23560932 DOI: 10.1146/annurev-anchem-062012-092650  0.88
2013 McKelvey K, O'Connell MA, Unwin PR. Meniscus confined fabrication of multidimensional conducting polymer nanostructures with scanning electrochemical cell microscopy (SECCM). Chemical Communications (Cambridge, England). 49: 2986-8. PMID 23459882 DOI: 10.1039/c3cc00104k  0.68
2013 Snowden ME, Edwards MA, Rudd NC, Macpherson JV, Unwin PR. Intrinsic electrochemical activity of single walled carbon nanotube-Nafion assemblies. Physical Chemistry Chemical Physics : Pccp. 15: 5030-8. PMID 23450204 DOI: 10.1039/c3cp44538k  1
2013 Aaronson BD, Chen CH, Li H, Koper MT, Lai SC, Unwin PR. 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. 135: 3873-80. PMID 23405963 DOI: 10.1021/ja310632k  1
2013 Lazenby RA, McKelvey K, Unwin PR. Hopping intermittent contact-scanning electrochemical microscopy (HIC-SECM): visualizing interfacial reactions and fluxes from surfaces to bulk solution. Analytical Chemistry. 85: 2937-44. PMID 23373422 DOI: 10.1021/ac303642p  0.68
2013 Peruffo M, Mbogoro MM, Edwards MA, Unwin PR. 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. 15: 1956-1965. PMID 23258074 DOI: 10.1039/c2cp43555a  1
2013 Sansuk S, Bitziou E, Joseph MB, Covington JA, Boutelle MG, Unwin PR, Macpherson JV. Ultrasensitive detection of dopamine using a carbon nanotube network microfluidic flow electrode. Analytical Chemistry. 85: 163-9. PMID 23190004 DOI: 10.1021/ac3023586  1
2012 Patel AN, McKelvey K, Unwin PR. Nanoscale electrochemical patterning reveals the active sites for catechol oxidation at graphite surfaces Journal of the American Chemical Society. 134: 20246-20249. PMID 23210684 DOI: 10.1021/ja3095894  1
2012 Patel AN, Collignon MG, O'Connell MA, Hung WO, McKelvey K, Macpherson JV, Unwin PR. A new view of electrochemistry at highly oriented pyrolytic graphite. Journal of the American Chemical Society. 134: 20117-30. PMID 23145936 DOI: 10.1021/ja308615h  1
2012 Kleijn SE, Lai SC, Miller TS, Yanson AI, Koper MT, Unwin PR. Landing and catalytic characterization of individual nanoparticles on electrode surfaces. Journal of the American Chemical Society. 134: 18558-61. PMID 23102515 DOI: 10.1021/ja309220m  1
2012 Patten HV, Meadows KE, Hutton LA, Iacobini JG, Battistel D, McKelvey K, Colburn AW, Newton ME, Macpherson JV, Unwin PR. Electrochemical mapping reveals direct correlation between heterogeneous electron-transfer kinetics and local density of states in diamond electrodes. Angewandte Chemie (International Ed. in English). 51: 7002-6. PMID 22696181 DOI: 10.1002/anie.201203057  1
2012 Güell AG, Ebejer N, Snowden ME, McKelvey K, Macpherson JV, Unwin PR. Quantitative nanoscale visualization of heterogeneous electron transfer rates in 2D carbon nanotube networks. Proceedings of the National Academy of Sciences of the United States of America. 109: 11487-92. PMID 22635266 DOI: 10.1073/pnas.1203671109  1
2012 Miller TS, Ebejer N, Güell AG, Macpherson JV, Unwin PR. Electrochemistry at carbon nanotube forests: sidewalls and closed ends allow fast electron transfer. Chemical Communications (Cambridge, England). 48: 7435-7. PMID 22614748 DOI: 10.1039/c2cc32890a  1
2012 Takahashi Y, Shevchuk AI, Novak P, Babakinejad B, Macpherson J, Unwin PR, Shiku H, Gorelik J, Klenerman D, Korchev YE, Matsue T. 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. 109: 11540-5. PMID 22611191 DOI: 10.1073/pnas.1203570109  1
2012 Patten HV, Lai SC, Macpherson JV, Unwin PR. 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. 84: 5427-32. PMID 22607491 DOI: 10.1021/ac3010555  1
2012 O'Connell MA, de Cuendias A, Gayet F, Shirley IM, Mackenzie SR, Haddleton DM, Unwin PR. Evanescent wave cavity ring-down spectroscopy (EW-CRDS) as a probe of macromolecule adsorption kinetics at functionalized interfaces. Langmuir : the Acs Journal of Surfaces and Colloids. 28: 6902-10. PMID 22489550 DOI: 10.1021/la3006053  0.32
2012 Lai SC, Patel AN, McKelvey K, Unwin PR. Definitive evidence for fast electron transfer at pristine basal plane graphite from high-resolution electrochemical imaging. Angewandte Chemie (International Ed. in English). 51: 5405-8. PMID 22488981 DOI: 10.1002/anie.201200564  1
2012 Güell AG, Ebejer N, Snowden ME, Macpherson JV, Unwin PR. Structural correlations in heterogeneous electron transfer at monolayer and multilayer graphene electrodes. Journal of the American Chemical Society. 134: 7258-61. PMID 22486239 DOI: 10.1021/ja3014902  1
2012 Powell HV, O'Connell MA, Zhang M, Mackenzie SR, Unwin PR. Evanescent wave cavity ringdown spectroscopy: a platform for the study of supported lipid bilayers. Analytical Chemistry. 84: 2585-91. PMID 22304423 DOI: 10.1021/ac203493p  0.32
2012 Snowden ME, Güell AG, Lai SC, McKelvey K, Ebejer N, O'Connell MA, Colburn AW, Unwin PR. Scanning electrochemical cell microscopy: theory and experiment for quantitative high resolution spatially-resolved voltammetry and simultaneous ion-conductance measurements. Analytical Chemistry. 84: 2483-91. PMID 22279955 DOI: 10.1021/ac203195h  0.88
2011 Dudin PV, Snowden ME, Macpherson JV, Unwin PR. Electrochemistry at nanoscale electrodes: individual single-walled carbon nanotubes (SWNTs) and SWNT-templated metal nanowires. Acs Nano. 5: 10017-25. PMID 22092149 DOI: 10.1021/nn203823f  1
2011 Takahashi Y, Shevchuk AI, Novak P, Zhang Y, Ebejer N, Macpherson JV, Unwin PR, Pollard AJ, Roy D, Clifford CA, Shiku H, Matsue T, Klenerman D, Korchev YE. Multifunctional nanoprobes for nanoscale chemical imaging and localized chemical delivery at surfaces and interfaces. Angewandte Chemie (International Ed. in English). 50: 9638-42. PMID 21882305 DOI: 10.1002/anie.201102796  1
2011 Dudin PV, Unwin PR, Macpherson JV. Electro-oxidation of hydrazine at gold nanoparticle functionalised single walled carbon nanotube network ultramicroelectrodes. Physical Chemistry Chemical Physics : Pccp. 13: 17146-52. PMID 21869974 DOI: 10.1039/c1cp21937e  1
2011 Fisher RD, Mbogoro MM, Snowden ME, Joseph MB, Covington JA, Unwin PR, Walton RI. Dissolution kinetics of polycrystalline calcium sulfate-based materials: Influence of chemical modification Acs Applied Materials and Interfaces. 3: 3528-3537. PMID 21861513 DOI: 10.1021/am200754q  1
2011 McKelvey K, Snowden ME, Peruffo M, Unwin PR. Quantitative visualization of molecular transport through porous membranes: enhanced resolution and contrast using intermittent contact-scanning electrochemical microscopy. Analytical Chemistry. 83: 6447-54. PMID 21776952 DOI: 10.1021/ac201489c  0.88
2011 Lai SC, Dudin PV, Macpherson JV, Unwin PR. Visualizing zeptomole (electro)catalysis at single nanoparticles within an ensemble. Journal of the American Chemical Society. 133: 10744-7. PMID 21671660 DOI: 10.1021/ja203955b  1
2011 Hutton LA, Vidotti M, Iacobini JG, Kelly C, Newton ME, Unwin PR, Macpherson JV. Fabrication and characterization of an all-diamond tubular flow microelectrode for electroanalysis. Analytical Chemistry. 83: 5804-8. PMID 21644592 DOI: 10.1021/ac2010247  1
2011 Cannan S, Cervera J, Steliaros RJ, Bitziou E, Whitworth AL, Unwin PR. Scanning electrochemical microscopy (SECM) studies of catalytic EC' processes: theory and experiment for feedback, generation/collection and imaging measurements. Physical Chemistry Chemical Physics : Pccp. 13: 5403-12. PMID 21350736 DOI: 10.1039/c0cp02530e  1
2011 Edwards MA, Whitworth AL, Unwin PR. Quantitative analysis and application of tip position modulation-scanning electrochemical microscopy. Analytical Chemistry. 83: 1977-84. PMID 21322581 DOI: 10.1021/ac102680v  1
2011 Rutkowska A, Bawazeer TM, Macpherson JV, Unwin PR. Visualisation of electrochemical processes at optically transparent carbon nanotube ultramicroelectrodes (OT-CNT-UMEs). Physical Chemistry Chemical Physics : Pccp. 13: 5223-6. PMID 21293800 DOI: 10.1039/c0cp02804e  1
2011 Hutton LA, Newton ME, Unwin PR, Macpherson JV. Factors controlling stripping voltammetry of lead at polycrystalline boron doped diamond electrodes: new insights from high-resolution microscopy. Analytical Chemistry. 83: 735-45. PMID 21214184 DOI: 10.1021/ac101626s  1
2011 Schnippering M, Neil SR, Mackenzie SR, Unwin PR. Evanescent wave cavity-based spectroscopic techniques as probes of interfacial processes. Chemical Society Reviews. 40: 207-20. PMID 20886129 DOI: 10.1039/c0cs00017e  1
2010 McGeouch CA, Edwards MA, Mbogoro MM, Parkinson C, Unwin PR. Scanning electrochemical microscopy as a quantitative probe of acid-induced dissolution: theory and application to dental enamel. Analytical Chemistry. 82: 9322-8. PMID 20961103 DOI: 10.1021/ac101662h  1
2010 Ebejer N, Schnippering M, Colburn AW, Edwards MA, Unwin PR. Localized high resolution electrochemistry and multifunctional imaging: scanning electrochemical cell microscopy. Analytical Chemistry. 82: 9141-5. PMID 20949925 DOI: 10.1021/ac102191u  1
2010 Güell AG, Meadows KE, Unwin PR, Macpherson JV. Trace voltammetric detection of serotonin at carbon electrodes: comparison of glassy carbon, boron doped diamond and carbon nanotube network electrodes. Physical Chemistry Chemical Physics : Pccp. 12: 10108-14. PMID 20689900 DOI: 10.1039/c0cp00675k  1
2010 Powell HV, Schnippering M, Cheung M, Macpherson JV, Mackenzie SR, Stavros VG, Unwin PR. Probing redox reactions of immobilized cytochrome c using evanescent wave cavity ring-down spectroscopy in a thin-layer electrochemical cell. Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry. 11: 2985-91. PMID 20669212 DOI: 10.1002/cphc.201000213  1
2010 McKelvey K, Edwards MA, Unwin PR. Intermittent contact-scanning electrochemical microscopy (IC-SECM): a new approach for tip positioning and simultaneous imaging of interfacial topography and activity. Analytical Chemistry. 82: 6334-7. PMID 20583818 DOI: 10.1021/ac101099e  1
2010 Snowden ME, King PH, Covington JA, Macpherson JV, Unwin PR. Fabrication of versatile channel flow cells for quantitative electroanalysis using prototyping. Analytical Chemistry. 82: 3124-31. PMID 20329754 DOI: 10.1021/ac100345v  1
2010 Zhang M, Powell HV, Mackenzie SR, Unwin PR. Kinetics of porphyrin adsorption and DNA-assisted desorption at the silica-water interface. Langmuir : the Acs Journal of Surfaces and Colloids. 26: 4004-12. PMID 20104901 DOI: 10.1021/la903438p  0.32
2010 van der Sneppen L, Hancock G, Kaminski C, Laurila T, Mackenzie SR, Neil SR, Peverall R, Ritchie GA, Schnippering M, Unwin PR. Following interfacial kinetics in real time using broadband evanescent wave cavity-enhanced absorption spectroscopy: a comparison of light-emitting diodes and supercontinuum sources. The Analyst. 135: 133-9. PMID 20024193 DOI: 10.1039/b916712a  1
2009 Dumitrescu I, Unwin PR, Macpherson JV. Electrochemistry at carbon nanotubes: perspective and issues. Chemical Communications (Cambridge, England). 6886-901. PMID 19904345 DOI: 10.1039/b909734a  1
2009 Zhang J, Burt DP, Whitworth AL, Mandler D, Unwin PR. Polyaniline Langmuir-Blodgett films: formation and properties. Physical Chemistry Chemical Physics : Pccp. 11: 3490-6. PMID 19421552 DOI: 10.1039/b819809h  1
2009 Edwards MA, Williams CG, Whitworth AL, Unwin PR. Scanning ion conductance microscopy: a model for experimentally realistic conditions and image interpretation. Analytical Chemistry. 81: 4482-92. PMID 19405486 DOI: 10.1021/ac900376w  1
2009 Williams CG, Edwards MA, Colley AL, Macpherson JV, Unwin PR. Scanning micropipet contact method for high-resolution imaging of electrode surface redox activity. Analytical Chemistry. 81: 2486-95. PMID 19265426 DOI: 10.1021/ac802114r  1
2009 Hutton L, Newton ME, Unwin PR, Macpherson JV. Amperometric oxygen sensor based on a platinum nanoparticle-modified polycrystalline boron doped diamond disk electrode. Analytical Chemistry. 81: 1023-32. PMID 19117391 DOI: 10.1021/ac8020906  1
2009 Powell HV, Schnippering M, Mazurenka M, Macpherson JV, Mackenzie SR, Unwin PR. 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 : the Acs Journal of Surfaces and Colloids. 25: 248-55. PMID 19072204 DOI: 10.1021/la802707q  1
2008 Amemiya S, Bard AJ, Fan FR, Mirkin MV, Unwin PR. Scanning electrochemical microscopy. Annual Review of Analytical Chemistry (Palo Alto, Calif.). 1: 95-131. PMID 20636076 DOI: 10.1146/annurev.anchem.1.031207.112938  1
2008 Grime JM, Edwards MA, Rudd NC, Unwin PR. Quantitative visualization of passive transport across bilayer lipid membranes. Proceedings of the National Academy of Sciences of the United States of America. 105: 14277-82. PMID 18787114 DOI: 10.1073/pnas.0803720105  1
2008 Burt DP, Wilson NR, Janus U, Macpherson JV, Unwin PR. In-situ atomic force microscopy (AFM) imaging: influence of AFM probe geometry on diffusion to microscopic surfaces. Langmuir : the Acs Journal of Surfaces and Colloids. 24: 12867-76. PMID 18558780 DOI: 10.1021/la8003323  1
2008 Dumitrescu I, Unwin PR, Wilson NR, Macpherson JV. Single-walled carbon nanotube network ultramicroelectrodes. Analytical Chemistry. 80: 3598-605. PMID 18410133 DOI: 10.1021/ac702518g  0.44
2008 Williams CG, Macpherson JV, Unwin PR, Parkinson C. Laser scanning confocal microscopy coupled with hydraulic permeability measurements for elucidating fluid flow across porous materials: application to human dentine. Analytical Sciences : the International Journal of the Japan Society For Analytical Chemistry. 24: 437-42. PMID 18403832 DOI: JST.JSTAGE/analsci/24.437  1
2007 Bertoncello P, Dennany L, Forster RJ, Unwin PR. Nafion-tris(2-2'-bipyridyl)ruthenium(II) Ultrathin Langmuir-Schaefer films: redox catalysis and electrochemiluminescent properties. Analytical Chemistry. 79: 7549-53. PMID 17713967 DOI: 10.1021/ac070811m  1
2007 Bertoncello P, Edgeworth JP, Macpherson JV, Unwin PR. Trace level cyclic voltammetry facilitated by single-walled carbon nanotube network electrodes. Journal of the American Chemical Society. 129: 10982-3. PMID 17705385 DOI: 10.1021/ja073360w  1
2007 Bertoncello P, Peruffo M, Unwin PR. Formation and evaluation of electrochemically-active ultra-thin palladium-Nafion nanocomposite films. Chemical Communications (Cambridge, England). 1597-9. PMID 17530071 DOI: 10.1039/b702537h  0.68
2007 Day TM, Unwin PR, Macpherson JV. Factors controlling the electrodeposition of metal nanoparticles on pristine single walled carbon nanotubes. Nano Letters. 7: 51-7. PMID 17212439 DOI: 10.1021/nl061974d  1
2006 Dobson PS, Weaver JM, Burt DP, Holder MN, Wilson NR, Unwin PR, Macpherson JV. Electron beam lithographically-defined scanning electrochemical-atomic force microscopy probes: fabrication method and application to high resolution imaging on heterogeneously active surfaces. Physical Chemistry Chemical Physics : Pccp. 8: 3909-14. PMID 19817052 DOI: 10.1039/b605828k  1
2006 Edwards MA, Martin S, Whitworth AL, Macpherson JV, Unwin PR. Scanning electrochemical microscopy: principles and applications to biophysical systems. Physiological Measurement. 27: R63-108. PMID 17135697 DOI: 10.1088/0967-3334/27/12/R01  1
2006 Bertoncello P, Ciani I, Li F, Unwin PR. Measurement of apparent diffusion coefficients within ultrathin nafion Langmuir-Schaefer films: comparison of a novel scanning electrochemical microscopy approach with cyclic voltammetry. Langmuir : the Acs Journal of Surfaces and Colloids. 22: 10380-8. PMID 17129006 DOI: 10.1021/la061214i  0.68
2006 Nicholson PG, Ruiz V, Macpherson JV, Unwin PR. Effect of composition on the conductivity and morphology of poly(3-hexylthiophene)/gold nanoparticle composite Langmuir-Schaeffer films. Physical Chemistry Chemical Physics : Pccp. 8: 5096-105. PMID 17091160 DOI: 10.1039/b605691c  1
2006 Wilson NR, Guille M, Dumitrescu I, Fernandez VR, Rudd NC, Williams CG, Unwin PR, Macpherson JV. Assessment of the electrochemical behavior of two-dimensional networks of single-walled carbon nanotubes. Analytical Chemistry. 78: 7006-15. PMID 17007527 DOI: 10.1021/ac0610661  1
2006 Mazurenka M, Wilkins L, Macpherson JV, Unwin PR, Mackenzie SR. Evanescent wave cavity ring-down spectroscopy in a thin-layer electrochemical cell. Analytical Chemistry. 78: 6833-9. PMID 17007503 DOI: 10.1021/ac060678i  1
2006 Bertoncello P, Kefalas ET, Pikramenou Z, Unwin PR, Forster RJ. Adsorption dynamics and electrochemical and photophysical properties of thiolated ruthenium 2,2'-bipyridine monolayers. The Journal of Physical Chemistry. B. 110: 10063-9. PMID 16706466 DOI: 10.1021/jp057276j  1
2006 Colley AL, Williams CG, D'Haenens Johansson U, Newton ME, Unwin PR, Wilson NR, Macpherson JV. Examination of the spatially heterogeneous electroactivity of boron-doped diamond microarray electrodes. Analytical Chemistry. 78: 2539-48. PMID 16615762 DOI: 10.1021/ac0520994  1
2006 Dobson PS, Bindley LA, Macpherson JV, Unwin PR. Modes of action of a weak acid modifier of calcite growth. Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry. 7: 1019-21. PMID 16557631 DOI: 10.1002/cphc.200500469  1
2005 Ruiz V, Nicholson PG, Jollands S, Thomas PA, Macpherson JV, Unwin PR. Molecular ordering and 2D conductivity in ultrathin poly(3-hexylthiophene)/gold nanoparticle composite films. The Journal of Physical Chemistry. B. 109: 19335-44. PMID 16853497 DOI: 10.1021/jp053647k  1
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