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High performance SERS imprinted sensor doped with different surface morphology silver particles for selective detection of pyrethroids in river

Abstract

A novel technique which combined surface enhance Raman scattering (SERS) with molecular imprinting was presented. In this investigation, the SERS-active Ag particles with different surface morphologies were synthesized under the assistance of small acid molecules. Through the SERS investigation of different Ag morphologies, the Ag particles with “wool-ball” surface morphology presented perfect SERS capacity. Then, the Ag particles with “wool-ball” surface morphology were used as the SERS substrate and combined with the technique of molecule imprinting to prepare SERS-MIPs for the LC detection in the river. Under the optimal condition, it was presented good linear relationship (R2=0.98) 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. Meanwhile, the selective experiment was proved that this material owned specific selectivity to the template. It was confirmed that Ag-MIPs was a kind of highly sensitive and selective sensor material in the field of pyrethroids detection.

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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, Accepted Manuscript
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    High performance SERS imprinted sensor doped with different surface morphology silver particles for selective detection of pyrethroids in river

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

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