Journal
ACS SENSORS
Volume 4, Issue 10, Pages 2599-2604Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acssensors.9b01583
Keywords
fiber-based electrode; textile-based sensor; dopamine; graphene; cost-effective electrode
Funding
- Australian Research Council Centre of Excellence Scheme [CE 140100012, DP170102572]
- Australian National Fabrication Facility (ANFF)-Materials Node under the National Collaborative Research Infrastructure Strategy
- University of Wollongong Electron Microscopy Center
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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.
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