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Reference type: Journal
Authors: Yan MM, She YX, Cao XL, Ma J, Chen G, Hong SH, Shao Y, Abd El-Aty AM, Wang M, Wang J
Article Title: A molecularly imprinted polymer with integrated gold nanoparticles for surface enhanced Raman scattering based detection of the triazine herbicides, prometryn and simetryn.
Publication date: 2019
Journal: Microchimica Acta
Volume: 186
Issue: (3)
Article Number: 143.
DOI: 10.1007/s00604-019-3254-7

Abstract: A class-specific molecular imprinted polymer (MIP) is described for simultaneous recognition of prometryn and simetryn prior to their determination via a fingerprint signal (at 974 cm-1 and 1074 cm-1) in the surface enhanced Raman scattering (SERS) spectra that were acquired in the presence of gold nanoparticles. The imprinted nanoparticles were applied to the analysis of rice and wheat samples spiked with both herbicides. The method has fairly good recoveries (72.7-90.9%) with a relative standard deviation of 1.7-7.8%, and a 20 μg kg-1 limit of detection. The imprint factors (compared to non-imprinted polymers) are 5.3 for prometryn and 4.2 for simetryn (both at 10 μg mL-1 of the initial solution)
Template and target information: prometryn, simetryn
Author keywords: Simultaneous detection, herbicides, molecular imprint, food safety, AuNPs, Portable Raman spectrometer, Matrix interference, Multi-residues, grain

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