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Reviewing the use of chitosan and polydopamine for electrochemical sensing

Lookup NU author(s): Dr Pankaj Singla, Dr Jake McClementsORCiD, Dr Katarina Novakovic, Professor Marloes PeetersORCiD

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND).

Abstract

Biopolymers possess highly favorable properties for electrochemical biosensing such as their inherent biocompatibility, inexpensive nature, and strong interfacial adhesion. In this mini-review, we will focus on chitosan and polydopamine, two of the most commonly used biopolymers, for electrochemical sensing applications. Chitosan is a polysaccharide that exhibits high chemical resistance, offers straightforward modification and cross-linking, and possesses antibacterial properties and mucoadhesion. Polydopamine has the benefit of universal adhesion, in addition to the ability to form self-assembled structures. We will demonstrate how the unique structural and electrochemical features of these biopolymers can be used in a range of electrochemical biosensing platforms.

Publication metadata

Author(s): Prabhu A, Crapnell R, Eersels K, van Grinsven B, Kunhiraman A, Singla P, McClements J, Banks C, Novakovic K, Peeters M

Publication type: Article

Publication status: Published

Journal: Current Opinion in Electrochemistry

Year: 2022

Volume: 32

Print publication date: 01/04/2022

Online publication date: 17/11/2021

Acceptance date: 17/11/2021

Date deposited: 08/12/2021

ISSN (electronic): 2451-9103

Publisher: Elsevier

URL: https://doi.org/10.1016/j.coelec.2021.100885

DOI: 10.1016/j.coelec.2021.100885

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