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Selective solid-phase extraction based on molecularly imprinted technology for the simultaneous determination of 20 triazole pesticides in cucumber samples using high-performance liquid chromatography-tandem mass spectrometry.
J Chromatogr B Analyt Technol Biomed Life Sci. 2017 Oct 01; 1064:143-150.JC

Abstract

A selective analytical method for the simultaneous determination of 20 triazole fungicides and plant growth regulators in cucumber samples was developed using solid-phase extraction with specific molecularly imprinted polymers (MIPs) as adsorbents. The MIPs were successfully prepared by precipitation polymerization using triadimefon as the template molecule, methacrylic acid as the functional monomer, trimethylolpropane trimethacrylate as the crosslinker, and acetonitrile as the porogen. The performance and recognition mechanism for both the MIPs and non-molecularly imprinted polymers were evaluated using adsorption isotherms and adsorption kinetics. Liquid chromatography-tandem quadrupole mass spectrometry was used to identify and quantify the target analytes. The solid-phase extraction using the MIPs was rapid, convenient, and efficient for extraction and enrichment of the 20 triazole pesticides from cucumber samples. The recoveries obtained at three concentration levels (1, 2, and 10μgL-1) ranged from 82.3% to 117.6% with relative standard deviations of less than 11.8% (n=5) for all analytes. The limits of detection for the 20 triazole pesticides were all less than 0.4μgL-1, and were sufficient to meet international standards.

Authors+Show Affiliations

Institute of Quality Standards & Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, PR China; Key Laboratory of Agro-product Safety and Quality, Ministry of Agriculture, Beijing 100081, PR China.Institute of Quality Standards & Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, PR China; Key Laboratory of Agro-product Safety and Quality, Ministry of Agriculture, Beijing 100081, PR China. Electronic address: sheyongxin@caas.cn.Institute of Quality Standards & Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, PR China; Key Laboratory of Agro-product Safety and Quality, Ministry of Agriculture, Beijing 100081, PR China.Institute of Quality Standards & Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, PR China; Key Laboratory of Agro-product Safety and Quality, Ministry of Agriculture, Beijing 100081, PR China.Institute of Quality Standards & Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, PR China; Key Laboratory of Agro-product Safety and Quality, Ministry of Agriculture, Beijing 100081, PR China.Institute of Quality Standards & Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, PR China; Key Laboratory of Agro-product Safety and Quality, Ministry of Agriculture, Beijing 100081, PR China.Institute of Quality Standards & Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, PR China; Key Laboratory of Agro-product Safety and Quality, Ministry of Agriculture, Beijing 100081, PR China.Institute of Quality Standards & Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, PR China; Key Laboratory of Agro-product Safety and Quality, Ministry of Agriculture, Beijing 100081, PR China.Institute of Quality Standards & Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, PR China; Key Laboratory of Agro-product Safety and Quality, Ministry of Agriculture, Beijing 100081, PR China.Institute of Quality Standards & Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, PR China; Key Laboratory of Agro-product Safety and Quality, Ministry of Agriculture, Beijing 100081, PR China. Electronic address: w_jing2001@126.com.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

28918070

Citation

Zhao, Fengnian, et al. "Selective Solid-phase Extraction Based On Molecularly Imprinted Technology for the Simultaneous Determination of 20 Triazole Pesticides in Cucumber Samples Using High-performance Liquid Chromatography-tandem Mass Spectrometry." Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences, vol. 1064, 2017, pp. 143-150.
Zhao F, She Y, Zhang C, et al. Selective solid-phase extraction based on molecularly imprinted technology for the simultaneous determination of 20 triazole pesticides in cucumber samples using high-performance liquid chromatography-tandem mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci. 2017;1064:143-150.
Zhao, F., She, Y., Zhang, C., Cao, X., Wang, S., Zheng, L., Jin, M., Shao, H., Jin, F., & Wang, J. (2017). Selective solid-phase extraction based on molecularly imprinted technology for the simultaneous determination of 20 triazole pesticides in cucumber samples using high-performance liquid chromatography-tandem mass spectrometry. Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences, 1064, 143-150. https://doi.org/10.1016/j.jchromb.2017.08.022
Zhao F, et al. Selective Solid-phase Extraction Based On Molecularly Imprinted Technology for the Simultaneous Determination of 20 Triazole Pesticides in Cucumber Samples Using High-performance Liquid Chromatography-tandem Mass Spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci. 2017 Oct 1;1064:143-150. PubMed PMID: 28918070.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Selective solid-phase extraction based on molecularly imprinted technology for the simultaneous determination of 20 triazole pesticides in cucumber samples using high-performance liquid chromatography-tandem mass spectrometry. AU - Zhao,Fengnian, AU - She,Yongxin, AU - Zhang,Chao, AU - Cao,Xiaolin, AU - Wang,Shanshan, AU - Zheng,Lufei, AU - Jin,Maojun, AU - Shao,Hua, AU - Jin,Fen, AU - Wang,Jing, Y1 - 2017/08/22/ PY - 2017/05/04/received PY - 2017/08/15/revised PY - 2017/08/16/accepted PY - 2017/9/18/pubmed PY - 2017/10/11/medline PY - 2017/9/18/entrez KW - High-performance liquid chromatography-tandem mass spectrometry KW - Molecularly imprinted polymers KW - Plant material KW - Solid-phase extraction KW - Triazole pesticides SP - 143 EP - 150 JF - Journal of chromatography. B, Analytical technologies in the biomedical and life sciences JO - J Chromatogr B Analyt Technol Biomed Life Sci VL - 1064 N2 - A selective analytical method for the simultaneous determination of 20 triazole fungicides and plant growth regulators in cucumber samples was developed using solid-phase extraction with specific molecularly imprinted polymers (MIPs) as adsorbents. The MIPs were successfully prepared by precipitation polymerization using triadimefon as the template molecule, methacrylic acid as the functional monomer, trimethylolpropane trimethacrylate as the crosslinker, and acetonitrile as the porogen. The performance and recognition mechanism for both the MIPs and non-molecularly imprinted polymers were evaluated using adsorption isotherms and adsorption kinetics. Liquid chromatography-tandem quadrupole mass spectrometry was used to identify and quantify the target analytes. The solid-phase extraction using the MIPs was rapid, convenient, and efficient for extraction and enrichment of the 20 triazole pesticides from cucumber samples. The recoveries obtained at three concentration levels (1, 2, and 10μgL-1) ranged from 82.3% to 117.6% with relative standard deviations of less than 11.8% (n=5) for all analytes. The limits of detection for the 20 triazole pesticides were all less than 0.4μgL-1, and were sufficient to meet international standards. SN - 1873-376X UR - https://www.unboundmedicine.com/medline/citation/28918070/Selective_solid_phase_extraction_based_on_molecularly_imprinted_technology_for_the_simultaneous_determination_of_20_triazole_pesticides_in_cucumber_samples_using_high_performance_liquid_chromatography_tandem_mass_spectrometry_ DB - PRIME DP - Unbound Medicine ER -