A molecularly imprinted polymer with integrated gold nanoparticles for surface enhanced Raman scattering based detection of the triazine herbicides, prometryn and simetryn

被引：43

作者：

Yan, Mengmeng ^{[1
,2
]}

She, Yongxin ^{[1
,2
]}

Cao, Xiaolin ^{[1
,2
]}

Ma, Jun ^{[1
,2
]}

Chen, Ge ^{[1
,2
]}

Hong, Sihui ^{[1
,2
]}

Shao, Yong ^{[1
,2
]}

Abd El-Aty, A. M. ^{[3
,4
]}

Wang, Miao ^{[1
,2
]}

Wang, Jing ^{[1
,2
]}

机构：

[1] Chinese Acad Agr Sci, Inst Qual Stand & Testing Technol Agroprod, Beijing 100081, Peoples R China

[2] Minist Agr, Key Lab Agroprod Safety & Qual, Beijing 100081, Peoples R China

[3] Cairo Univ, Dept Pharmacol, Fac Vet Med, Giza 12211, Egypt

[4] Ataturk Univ, Fac Med, Dept Med Pharmacol, TR-25240 Erzurum, Turkey

来源：

MICROCHIMICA ACTA | 2019年 / 186卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Simultaneous detection; Herbicides; Molecular imprint; Food safety; AuNPs; Portable Raman spectrometer; Matrix interference; Multi-residues; Grain; ULTRASENSITIVE SERS DETECTION; SOLID-PHASE EXTRACTION; LIQUID-CHROMATOGRAPHY; ANTIBODIES; GAS;

D O I：

10.1007/s00604-019-3254-7

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

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 974cm(-1) and 1074cm(-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 20gkg(-1) limit of detection. The imprint factors (compared to non-imprinted polymers) are 5.3 for prometryn and 4.2 for simetryn (both at 10gmL(-1) of the initial solution).

引用

页数：9

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