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Chapter 4

Nanofluidic Devices for Electroanalytical Applications

The use of nanofluidic devices for ultrasensitive electroanalytical applications is at the forefront of emerging detection techniques. These devices generally incorporate two individually addressable electrodes embedded within a nanochannel and are well suited for performing highly efficient redox cycling–repeated oxidation and reduction to amplify the electrochemical signals, enabling detection and quantification of the analyte molecules. The small capacitive current and steady-state voltammetric response offered by these devices makes them ideal systems for single molecule electrochemical detection. In this chapter, the concept of redox cycling employed in nanofluidic devices along with their fabrication strategies and applications relevant to electrochemistry is summarised.

Print publication date: 18 Nov 2016
Copyright year: 2017
Print ISBN: 978-1-84973-404-2
PDF eISBN: 978-1-84973-523-0
ePub eISBN: 978-1-78262-958-0