Electrochemical sensing and imaging based on ion transfer at liquid/liquid interfaces

被引：56

作者：

Amemiya, Shigeru ^{[1
]}

Kim, Jiyeon ^{[1
]}

Izadyar, Anahita ^{[1
]}

Kabagambe, Benjamin ^{[1
]}

Shen, Mei ^{[1
]}

Ishimatsu, Ryoichi ^{[1
]}

机构：

[1] Univ Pittsburgh, Dept Chem, Pittsburgh, PA 15260 USA

来源：

ELECTROCHIMICA ACTA | 2013年 / 110卷

基金：

美国国家卫生研究院; 美国国家科学基金会;

关键词：

Interface between two immiscible electrolyte solutions; Ion-selective electrode; Scanning electrochemical microscopy; Nanopipet; Double-polymer-modified electrode; IMMISCIBLE ELECTROLYTE-SOLUTIONS; LIQUID-LIQUID INTERFACE; NANOPOROUS SILICON MEMBRANE; PULSE STRIPPING VOLTAMMETRY; ORDERED MACROPOROUS CARBON; SELF-ASSEMBLED MONOLAYERS; SELECTIVE ELECTRODES; SOLID-CONTACT; BLOCKER PROPRANOLOL; ALKYLAMMONIUM IONS;

D O I：

10.1016/j.electacta.2013.03.098

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Here we review the recent applications of ion transfer (IT) at the interface between two immiscible electrolyte solutions (ITIES) for electrochemical sensing and imaging. In particular, we focus on the development and recent applications of the nanopipet-supported ITIES and double-polymer-modified electrode, which enable the dynamic electrochemical measurements of IT at nanoscopic and macroscopic ITIES, respectively. High-quality IT voltammograms are obtainable using either technique to quantitatively assess the kinetics and dynamic mechanism of IT at the ITIES. Nanopipet-supported ITIES serves as an amperometric tip for scanning electrochemical microscopy to allow for unprecedentedly high-resolution electrochemical imaging. Voltammetric ion sensing at double-polymer-modified electrodes offers high sensitivity and unique multiple-ion selectivity. The promising future applications of these dynamic approaches for bioanalysis and electrochemical imaging are also discussed. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：836 / 845

页数：10

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