Tailoring cellulose paper via electroless CuSnB deposition for selective electrochemical detection of dopamine

Literature Information

Publication Date 2023-12-05
DOI 10.1039/D3CC04602H
Impact Factor 6.222
Authors

Alankar Kafle, Divyani Gupta, Daisy Mehta, Tharamani C. Nagaiah


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Abstract

A novel, biodegradable substrate based, and cost-effective flexible electrochemical sensor was developed for the highly selective and sensitive detection of one of the major neurotransmitters, dopamine, which can be utilised as a disposable electrode for point-of-care diagnostic applications. The active material CuSnB decorated over cellulose paper exhibits good sensitivities of 3.92 μA μM−1 cm−2 with a limit of detection of 0.5 nM. Moreover, the flexible sensor demonstrated superior selectivity towards co-existing metabolites such as ascorbic acid, glucose, and uric acid, in addition to stability at various mechanical deformations.

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