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Polymers
Volume 10
Issue 4
10.3390/polym10040375
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Article

Fabrication of Stretchable Copper Coated Carbon Nanotube Conductor for Non-Enzymatic Glucose Detection Electrode with Low Detection Limit and Selectivity

by
Dawei Jiang
1,
Zhongsheng Liu
2,
Kunkun Wu
1,
Linlin Mou
2,
Raquel Ovalle-Robles
3,
Kanzan Inoue
3,
Yu Zhang
4,5,
Ningyi Yuan
1,
Jianning Ding
1,
Jianhua Qiu
1,
Yi Huang
2 and
Zunfeng Liu
1,2,*
1
School of Materials Science and Engineering, Jiangsu Collaborative Innovation Center of Photovolatic Science and Engineering, Changzhou University, Changzhou 213164, China
2
State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Functional Polymer Materials, Ministry of Education, College of Pharmacy, Nankai University, Tianjin 300071, China
3
Lintec of America, Nano-Science and Technology Center Richardson, Dallas, TX 75081, USA
4
Department of Building Engineering, Logistics University of PAPF, Tianjin 300309, China
5
College of Civil Engineering, Tongji University, Shanghai 200092, China
*
Author to whom correspondence should be addressed.
Polymers 2018, 10(4), 375; https://doi.org/10.3390/polym10040375
Received: 13 January 2018 / Revised: 18 March 2018 / Accepted: 19 March 2018 / Published: 28 March 2018
(This article belongs to the Special Issue Soft Materials and Systems)
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Abstract

The increasing demand for wearable glucose sensing has stimulated growing interest in stretchable electrodes. The development of the electrode materials having large stretchability, low detection limit, and good selectivity is the key component for constructing high performance wearable glucose sensors. In this work, we presented fabrication of stretchable conductor based on the copper coated carbon nanotube sheath-core fiber, and its application as non-enzymatic electrode for glucose detection with high stretchability, low detection limit, and selectivity. The sheath-core fiber was fabricated by coating copper coated carbon nanotube on a pre-stretched rubber fiber core followed by release of pre-stretch, which had a hierarchically buckled structure. It showed a small resistance change as low as 27% as strain increasing from 0% to 500% strain, and a low resistance of 0.4 Ω·cm−1 at strain of 500%. This electrode showed linear glucose concentration detection in the range between 0.05 mM and 5 mM and good selectivity against sucrose, lactic acid, uric acid, acrylic acid in phosphate buffer saline solution, and showed stable signal in high salt concentration. The limit of detection (LOD) was 0.05 mM, for the range of 0.05–5 mM, the sensitivity is 46 mA·M−1. This electrode can withstand large strain of up to 60% with negligible influence on its performance. View Full-Text
Keywords: carbon nanotube; elastic conductor; buckle structure; non-enzymatic glucose detection carbon nanotube; elastic conductor; buckle structure; non-enzymatic glucose detection
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
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MDPI and ACS Style

Jiang, D.; Liu, Z.; Wu, K.; Mou, L.; Ovalle-Robles, R.; Inoue, K.; Zhang, Y.; Yuan, N.; Ding, J.; Qiu, J.; Huang, Y.; Liu, Z. Fabrication of Stretchable Copper Coated Carbon Nanotube Conductor for Non-Enzymatic Glucose Detection Electrode with Low Detection Limit and Selectivity. Polymers 2018, 10, 375. https://doi.org/10.3390/polym10040375

AMA Style

Jiang D, Liu Z, Wu K, Mou L, Ovalle-Robles R, Inoue K, Zhang Y, Yuan N, Ding J, Qiu J, Huang Y, Liu Z. Fabrication of Stretchable Copper Coated Carbon Nanotube Conductor for Non-Enzymatic Glucose Detection Electrode with Low Detection Limit and Selectivity. Polymers. 2018; 10(4):375. https://doi.org/10.3390/polym10040375

Chicago/Turabian Style

Jiang, Dawei, Zhongsheng Liu, Kunkun Wu, Linlin Mou, Raquel Ovalle-Robles, Kanzan Inoue, Yu Zhang, Ningyi Yuan, Jianning Ding, Jianhua Qiu, Yi Huang, and Zunfeng Liu. 2018. "Fabrication of Stretchable Copper Coated Carbon Nanotube Conductor for Non-Enzymatic Glucose Detection Electrode with Low Detection Limit and Selectivity" Polymers 10, no. 4: 375. https://doi.org/10.3390/polym10040375

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