Semiconducting carbon nanotube fibers for electrochemical biosensor platforms

被引：12
|
作者：
Lee, Jin Yong [1 ]
Cho, Dong-guk [2 ]
Cho, Sung-Pyo [3 ]
Choi, Jae-Hyuk [1 ]
Sung, Sae Jin [1 ]
Hong, Seunghun [2 ]
Yu, Woong-Ryeol [1 ]
机构：
[1] Seoul Natl Univ, Dept Mat Sci & Engn, Seoul 08826, South Korea
[2] Seoul Natl Univ, Dept Phys & Astron, Seoul 08826, South Korea
[3] Seoul Natl Univ, Natl Ctr Interuniv Res Facil, Seoul 08826, South Korea
来源：
MATERIALS & DESIGN | 2020年 / 192卷
基金：
新加坡国家研究基金会;
关键词：
Single-walled carbon nanotubes; Semiconducting SWNT fibers; Field effect; Fiber sensor; DIRECT ELECTRON-TRANSFER; X-RAY PHOTOELECTRON; SPECTROSCOPY; SEPARATION; TRANSPORT; SURFACE; IRON; XPS;
D O I：
10.1016/j.matdes.2020.108740
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report the fabrication of semiconducting single-walled carbon nanotube (sc-SWNT) fibers via wet-spinning for electrochemical biosensor platforms. SWNTs were purified using thermal and acid treatments and separated into metallic SWNTs and sc-SWNTs. The sc-SWNTs were then wet-spun into flexible fibers. Then, an enzyme capable of reacting with glucose was immobilized on the sc-SWNT fibers to investigate the utility of sc-SWNT fibers as an electrochemical biosensor platform. The enzyme-activated sc-SWNT fibers, which exhibited the field effects, were then configured into fiber-type glucose sensors capable of detecting the glucose in a solution, demonstrating the potential of sc-SWNT fibers as an electrochemical biosensor platform. (C) 2020 The Author(s). Published by Elsevier Ltd.
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页数：12
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