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 ISSN 1364-5021.

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Abstract

Scanning ion conductance microscopy (SICM) is a nanopipette-based technique that has traditionally been used to image topography or to deliver species to an interface, particularly in a biological setting. This article highlights the recent blossoming of SICM into a technique with a much greater diversity of applications and capability that can be used either standalone, with advanced control (potential–time) functions, or in tandem with other methods. SICM can be used to elucidate functional information about interfaces, such as surface charge density or electrochemical activity (ion fluxes). Using a multi-barrel probe format, SICM-related techniques can be employed to deposit nanoscale three-dimensional structures and further functionality is realized when SICM is combined with scanning electrochemical microscopy (SECM), with simultaneous measurements from a single probe opening up considerable prospects for multifunctional imaging. SICM studies are greatly enhanced by finite-element method modelling for quantitative treatment of issues such as resolution, surface charge and (tip) geometry effects. SICM is particularly applicable to the study of living systems, notably single cells, although applications extend to materials characterization and to new methods of printing and nanofabrication. A more thorough understanding of the electrochemical principles and properties of SICM provides a foundation for significant applications of SICM in electrochemistry and interfacial science.

Item Type:	Journal Article
Subjects:	Q Science > QD Chemistry
Divisions:	Faculty of Science, Engineering and Medicine > Science > Chemistry
Library of Congress Subject Headings (LCSH):	Electrochemistry, Scanning electrochemical microscopy
Journal or Publication Title:	Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences
Publisher:	The Royal Society Publishing
ISSN:	1364-5021
Official Date:	12 April 2017
Dates:	Date Event 12 April 2017 Published 13 March 2017 Accepted
Volume:	473
Number:	2200
DOI:	10.1098/rspa.2016.0889
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Date of first compliant deposit:	22 November 2017
Date of first compliant Open Access:	12 April 2018
RIOXX Funder/Project Grant:	Project/Grant ID RIOXX Funder Name Funder ID EP/F500378/1 Engineering and Physical Sciences Research Council http://dx.doi.org/10.13039/501100000266 UNSPECIFIED Leverhulme Trust http://dx.doi.org/10.13039/501100000275 UNSPECIFIED University of Warwick. Molecular Organisation and Assembly in Cells (MOAC) UNSPECIFIED

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