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Issue 23, 2017
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A high-performance SERS-imprinted sensor doped with silver particles of different surface morphologies for selective detection of pyrethroids in rivers

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Abstract

Herein, a novel technique that combined surface enhanced Raman scattering (SERS) with molecular imprinting was presented. In this study, SERS-active Ag particles with different surface morphologies were synthesized with the assistance of small acid molecules. Through the SERS investigation of different Ag morphologies, the Ag particles with a wool-ball surface morphology presented the perfect SERS capacity. Then, the Ag particles with a wool-ball surface morphology were used as the SERS substrate and combined via the technique of molecular imprinting to prepare SERS-MIPs for LC detection in a river. Under the optimal condition, a good linear relationship (R2 = 0.98) was observed between the Raman signal (at 1595 cm−1) and the concentration of the templates, and the limit of detection was 0.013 μmol L−1. Moreover, the selective experiment proved that the specific selectivity of this material was due to the template. It has been confirmed that Ag-MIP is a kind of highly sensitive and selective sensor material for pyrethroid detection.

Graphical abstract: A high-performance SERS-imprinted sensor doped with silver particles of different surface morphologies for selective detection of pyrethroids in rivers

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Publication details

The article was received on 03 Aug 2017, accepted on 13 Oct 2017 and first published on 13 Oct 2017


Article type: Paper
DOI: 10.1039/C7NJ02811C
Citation: New J. Chem., 2017,41, 14342-14350
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    A high-performance SERS-imprinted sensor doped with silver particles of different surface morphologies for selective detection of pyrethroids in rivers

    H. Li, X. Wang, Z. Wang, J. Jiang, Y. Qiao, M. Wei, Y. Yan and C. Li, New J. Chem., 2017, 41, 14342
    DOI: 10.1039/C7NJ02811C

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