Development of Co-hemin MOF/chitosan composite based biosensor for rapid detection of lactose

被引：30

作者：

Choi, Han Suk ^{[1
]}

Yang, Xiaoguang ^{[1
]}

Liu, Guicheng ^{[2
]}

Kim, Dong Sup ^{[1
]}

Yang, Ji Hyun ^{[1
]}

Lee, Ju Hun ^{[1
]}

Han, Sung Ok ^{[3
]}

Lee, Jinyoung ^{[4
]}

Kim, Seung Wook ^{[1
]}

机构：

[1] Korea Univ, Dept Chem & Biol Engn, 145 Anam Ro, Seoul 02841, South Korea

[2] Dongguk Univ, Dept Phys, 30,Pildong Ro 1 Gil, Seoul 04620, South Korea

[3] Korea Univ, Dept Biotechnol, 145 Anam Ro, Seoul 02841, South Korea

[4] Sangmyung Univ, Gyedang Coll Gen Educ, 31 Sangmyeongdae Gil, Cheonan Si, Chungcheongnam, South Korea

来源：

JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS | 2020年 / 113卷

基金：

新加坡国家研究基金会;

关键词：

Electrochemical b osensor; Co-hemin; Metal organic frameworks; Cellobiose dehydrogenase; Lactose; CELLOBIOSE DEHYDROGENASE; 3RD-GENERATION BIOSENSOR; CARBON NANOTUBES; NANOPARTICLES; GOLD;

D O I：

10.1016/j.jtice.2020.07.021

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

An electrochemical biosensor containing Co-hemin metal organic frameworks (Co-hemin MOF)/chitosan composite and cellobiose dehydrogenase (CDH) was developed for lactose dectection. The formation of the Co-hemin MOF was verified by scanning electron microscopy, Fourier transform infrared spectroscopy, UV-vis absorption spectroscopy and electrochemical techniques. The Co-hemin MOF/chitosan composite exhibited outstanding electrochemical performance on lactose detection with high sensitivity (102.3 mu A mM(-1) cm(-2)) and fast response (5 s). More importantly, the lower determination limit of 4 mM and the broad linear ranges of 10 to 100 mM were obtained to detect lactose. With broad linear ranges, the feasibility of dairy application of the biosensor based on Co-hemin MOF electrode was demonstrated in this study. (C) 2020 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.

引用

页码：1 / 7

页数：7

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