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Facile development of a fiber-based electrode for highly selective and sensitive detection of dopamine

Farajikhah, S, Innis, PC, Paull, B ORCID: 0000-0001-6373-6582, Wallace, GG and Harris, AR 2019 , 'Facile development of a fiber-based electrode for highly selective and sensitive detection of dopamine' , ACS Sensors, vol. 4, no. 10 , pp. 2599-2604 , doi: 10.1021/acssensors.9b01583.

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Abstract

A facile one-step method was used to create a selective and sensitive electrode for dopamine (DA) detection based upon a stainless steel (SS) filament substrate and reduced graphene oxide (rGO). The electrode successfully and selectively detects DA in the presence of uric acid and ascorbic acid without the need for a Nafion coating. The proposed electrode is easy to fabricate, low-cost, flexible, and strong. The rGO-SS electrode could also be incorporated into a three-dimensional braided structure enabling DA detection in a two-electrode fiber system. The sensor is an excellent candidate for production of an affordable, robust, and flexible wearable and portable sensor and expands the application of textiles in point of care diagnostic devices.

Item Type: Article
Authors/Creators:Farajikhah, S and Innis, PC and Paull, B and Wallace, GG and Harris, AR
Keywords: fiber-based electrode, textile-based sensor, dopamine, graphene, cost-effective electrode
Journal or Publication Title: ACS Sensors
Publisher: American Chemical Society
ISSN: 2379-3694
DOI / ID Number: 10.1021/acssensors.9b01583
Copyright Information:

© 2019 American Chemical Society.

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