Semiconducting carbon nanotube fibers for electrochemical biosensor platforms

被引：15

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.

引用

页数：12

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