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- Title
Reduced graphene oxide cotton fabric based on copper nanowires for flexible non-enzyme glucose sensor.
- Authors
Wang, Yasi; Chen, Fangchun; Ye, Jiapeng; Liu, Hongjia; Zhang, Tonghua; Li, Zhi
- Abstract
Various textile-based composite conductive materials have been extensively applied for wearable and flexible electronics recently owing to their high flexibility and bio-friendliness. Among these textile-based electronics, flexible non-enzymatic glucose sensors have especially attracted attention because they can diagnose human health status by monitoring glucose concentrations in human sweat, tears, and blood. In this paper, reduced graphene oxide (RGO) was in situ synthesized on cotton fabric (CF) by a hydrothermal reduction method to prepare reduced graphene oxide cotton fabrics (RGO/CF). Copper nanowires (CuNWs) were deposited on reduced graphene oxide cotton fabrics by vacuum filtration to obtain copper nanowires/reduced graphene oxide cotton fabrics (CuNW/RGO/CF) and applied to non-enzymatic glucose biosensing. Under the optimized conditions, the CuNW/RGO/CF sensor exhibits excellent catalytic performance for glucose oxidation and a series of excellent properties, such as the rapid response time and high sensitivity at 1020 μA mM−1 cm−2. Glucose concentrations in human sweat, serum and juice were analyzed by amperometric method, and the recoveries ranged from 97.00 to 109.00% (RSD ≤ 5.00%). In addition, the CuNW/RGO/CF sensor exhibits excellent anti-interference ability and stability, maintaining 93% of its original sensitivity for 25 days. This facile and cost-effective method provides a new strategy for detecting glucose in organisms and food.
- Subjects
GRAPHENE oxide; COTTON textiles; GLUCOSE analysis; COPPER; FLEXIBLE electronics; GLUCOSE; NANOWIRES
- Publication
Cellulose, 2023, Vol 30, Issue 8, p5131
- ISSN
0969-0239
- Publication type
Article
- DOI
10.1007/s10570-023-05149-0