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

文献情報

出版日 2008-10-20

DOI 10.1039/B803350A

インパクトファクター 4.616

著者

Megumi Takayose, Katsuyuki Tamaki

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要旨

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.

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CiteScore: 7.8

自己引用率: 5.6%

年間論文数: 653

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

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