Electrochemical Immunosensor for Detection of Atrazine Based on Polyaniline/Graphene

In this study, a novel layer-by-layer polyaniline/graphene （PANi/Gr） structure for electrochemical detec- tion of atrazine was developed. Gr film was synthesized by thermal chemical vapor deposition （CVD） method and transferred onto the PANi-predeposited microelectrode. The properties of PANi/Gr fil...

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Bibliographic Details
Published inJournal of materials science & technology Vol. 32; no. 6; pp. 539 - 544
Main Authors Chuc, Nguyen Van, Binh, Nguyen Hai, Thanh, Cao Thi, Tu, Nguyen Van, Huy, Nguyen Le, Dzung, Nguyen Tuan, Minh, Phan Ngoc, Thu, Vu Thi, Lam, Tran Dai
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.06.2016
Subjects
Acceptability
Atrazine
Chemical vapor deposition
Electrochemical immunosensor
Graphene
Immunosensors
Microelectrodes
Multiplexing
Polyaniline
Polyanilines
传感器检测
化学气相沉积法
电化学免疫传感器
电化学检测
石墨
聚苯胺
莠去津
透射电子显微镜
Electrochemical immunosensor
Polyaniline
Graphene
Atrazine
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ISSN1005-0302
1941-1162
DOI10.1016/j.jmst.2016.04.004

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Summary:In this study, a novel layer-by-layer polyaniline/graphene （PANi/Gr） structure for electrochemical detec- tion of atrazine was developed. Gr film was synthesized by thermal chemical vapor deposition （CVD） method and transferred onto the PANi-predeposited microelectrode. The properties of PANi/Gr film were thoroughly investigated by high-resolution transmission electron microscopy and Raman techniques. The most attractive feature of this system is a suitable microenvironment, which could provide an amplifi- cation of the conductive signal, thus may contribute to enhancing electron transfer and subsequently improve the sensitivity in electrochemical measurements. With low detection limit （- 43 × 10 -12 g/L）, ac-ceptable stability and good reproducibility, the proposed electrochemical immunosensor could be advantageously extended for multiplexed detection of other agents of environmental pollution.
Bibliography:Electrochemical immunosensor Polyaniline Graphene Atrazine
In this study, a novel layer-by-layer polyaniline/graphene （PANi/Gr） structure for electrochemical detec- tion of atrazine was developed. Gr film was synthesized by thermal chemical vapor deposition （CVD） method and transferred onto the PANi-predeposited microelectrode. The properties of PANi/Gr film were thoroughly investigated by high-resolution transmission electron microscopy and Raman techniques. The most attractive feature of this system is a suitable microenvironment, which could provide an amplifi- cation of the conductive signal, thus may contribute to enhancing electron transfer and subsequently improve the sensitivity in electrochemical measurements. With low detection limit （- 43 × 10 -12 g/L）, ac-ceptable stability and good reproducibility, the proposed electrochemical immunosensor could be advantageously extended for multiplexed detection of other agents of environmental pollution.
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ISSN:1005-0302
1941-1162
DOI:10.1016/j.jmst.2016.04.004