A Rapid Detection of Pesticide Residue Based on Piezoelectric Biosensor

被引：14

作者：

Shang, Zhan-jiang ^{[1
,2
]}

Xu, Yan-li ^{[1
]}

Gu, Yun-xu-zi ^{[1
,2
]}

Wang, Yi ^{[3
]}

Wei, Dong-xu ^{[2
]}

Zhan, Li-li ^{[1
]}

机构：

[1] Chinese Acad Sci, NE Inst Geog & Agroecol, Key Lab Mollisols Agroecol, Harbin 150081, Peoples R China

[2] Northeast Agr Univ, Grad Sch, Harbin 150036, Peoples R China

[3] Rutgers State Univ, New Brunswick, NJ 08901 USA

来源：

CEIS 2011 | 2011年 / 15卷

关键词：

piezoelectric biosensor; carbon nanotubes; electrostatic assembly; pesticides; pollution; CARBON NANOTUBES; WATER;

D O I：

10.1016/j.proeng.2011.08.842

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A piezoelectric biosensor made of macromolecular polymer and carboxyl multi-wall carbon nanotubes (MWNTs-COOH) coated with acetylcholinesterases (AChE) on the Ag-coated crystal surfaces was used to determine pesticide residue in freshly picked radishes 4 and 8 days post application of phoxim and chlorpyrifos. The sensitivity of the method was compared with gas chromatography. The results show that there is no significant difference between the two methods, which indicates that our method can be used to perform the same task as gas chromatography in analyzing pesticide residue. The device is more portable, less expensive and simpler to operate, which can be easily used for pesticide residue detection. (C) 2011 Published by Elsevier Ltd. Selection and/or peer-review under responsibility of [CEIS 2011]

引用

页数：6

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