Issue 1, 2009
From the journal:

Analyst

Molecularly imprinted nanocomposites for highly sensitive SPR detection of a non-aqueous atrazine sample

Jun Matsui,*ab   Megumi Takayose,b   Kensuke Akamatsu,ab   Hidemi Nawafune,ab   Katsuyuki Tamakib  and  Naoki Sugimoto*ab  

* Corresponding authors

a Frontier Institute for Biomolecular Engineering Research (FIBER), Konan University, 8-9-1 Okamoto, Higashinada-ku, Kobe 658-8501, Japan
E-mail: matsui@konan-u.ac.jp
Tel: +82 78 431 4341

b Faculty of Science and Engineering, Konan University, 8-9-1 Okamoto, Kobe 658-8501, Japan
E-mail: matsui@konan-u.ac.jp
Tel: +82 78 431 4341

Abstract

A surface plasmon resonance (SPR) sensor highly sensitive and selective for the herbicide atrazine was composed by immobilizing atrazine-imprinted polymer with gold nanoparticles on a gold thin film as a sensor chip. In the detection, the atrazine-imprinted polymer was expected to work as synthetic receptor for selectively capturing atrazine in organic solvent, and the gold nanoparticles were expected to exhibit a coupling effect with the gold thin film to enhance the local electromagnetic field between the nanoparticles and the gold film, making the sensor chip highly sensitive for changes in microenvironmental polarity. Thus, a combination of the atrazine-imprinted polymer and gold nanoparticles enabled us to compose an SPR sensor demonstrating the detection of 5 pM atrazine in acetonitrile.

Graphical abstract: Molecularly imprinted nanocomposites for highly sensitive SPR detection of a non-aqueous atrazine sample

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Article information

DOI
https://doi.org/10.1039/B803350A
Article type
Paper
Submitted
29 Feb 2008
Accepted
01 Sep 2008
First published
20 Oct 2008

Analyst, 2009,134, 80-86

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Molecularly imprinted nanocomposites for highly sensitive SPR detection of a non-aqueous atrazine sample

J. Matsui, M. Takayose, K. Akamatsu, H. Nawafune, K. Tamaki and N. Sugimoto, Analyst, 2009, 134, 80 DOI: 10.1039/B803350A

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