Issue 46, 2011
From the journal:

Chemical Communications

A photoelectrochemical immunosensor for benzo[a]pyrene detection amplified by bifunctional gold nanoparticles†

Qing Kang,‡ab   Yufang Chen,‡a   Chengcheng Li,a   Qingyun Cai,*a   Shouzhuo Yaoa  and  C. A. Grimesc  

* Corresponding authors

a State Key Laboratory of Chemo/Biosensing and Chemometrics, Department of Chemistry, Hunan University, Changsha 410082, China
E-mail: qycai0001@hnu.cn

b International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan

c State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemistry and Chemical Engineering, Nanjing University of Technology, Nanjing 210009, China

Abstract

Ultrasensitive photoelectrochemical immunoassay of polycyclic aromatic hydrocarbon (PAH) is proposed using an antibody-modified nanostructured TiO2 electrode combined with bifunctional gold nanoparticles modified with the PAH antigen and horseradish peroxidase (HRP). The HRP-catalyzed reaction prompts the electron transfer between the electrode and electrolyte causing an excellent photocatalytic performance.

Graphical abstract: A photoelectrochemical immunosensor for benzo[a]pyrene detection amplified by bifunctional gold nanoparticles

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Article information

DOI
https://doi.org/10.1039/C1CC16034F
Article type
Communication
Submitted
28 Sep 2011
Accepted
11 Oct 2011
First published
25 Oct 2011

Chem. Commun., 2011,47, 12509-12511

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A photoelectrochemical immunosensor for benzo[a]pyrene detection amplified by bifunctional gold nanoparticles

Q. Kang, Y. Chen, C. Li, Q. Cai, S. Yao and C. A. Grimes, Chem. Commun., 2011, 47, 12509 DOI: 10.1039/C1CC16034F

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