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      分子印跡固相萃取液相色譜聯(lián)用法測(cè)定3種新煙堿類農(nóng)藥的殘留

      2014-07-10 21:34楊東冬等
      分析化學(xué) 2014年6期
      關(guān)鍵詞:吡蟲(chóng)啉印跡分析化學(xué)

      楊東冬等

      摘 要 以噻蟲(chóng)啉為模板分子制備了對(duì)吡蟲(chóng)啉、氯噻啉、噻蟲(chóng)啉具有特異性識(shí)別的分子印跡聚合物。功能單體與模板分子最佳摩爾比為:

      3.8 實(shí)際樣品分析

      為了評(píng)價(jià)制備的MIP小柱的實(shí)際應(yīng)用能力,

      References

      1 Kazuhiko M, Steven D, Daniel K, James J R, Marta G, David B S. Trends pharmacol. Sci., 2001, 22(11): 573-580

      2 Motohiro T, John E C. Annu. Rev. Pharmacol. Toxicol., 2005, 45(1): 247-268

      3 Wang P, Yang X, Wang J, Cui J, Dong A J, Zhao H T, Zhang L W, Wang Z Y, Xu R B, Li W J, Zhang Y C, Zhang H, Jing J. Food Chem., 2012, 134(3): 1691-1698

      4 Wu M, Cai J,Yao J, Dai B, Lu Y. Bull. Environ. Contam. Toxicol., 2010, 84(3): 289-293

      5 HOU RuYan, BIAN HongZheng, ZHAO XiuXia, HU WeiFang, Su Ting, WANG XiaoHui, WAN XiaoChun. Journal of Instrumental Analysis, 2011, 30(1): 58-63

      侯如燕, 卞紅正, 趙秀霞, 胡祎芳, 蘇 婷, 王孝輝, 宛曉春. 分析測(cè)試學(xué)報(bào), 2011, 30(1): 58-63

      6 Hirotaka O, Msahiro O, Kazuhiko A, Yoko K, Shinjiro H. J. Agric. Food Chem., 2002, 50(16): 4464-4467

      7 CHEN Li, WANG JinFang, DU Peng, TANG XiaoGe, ZHAO KunXia, PAN CanPing. Chinese J. Anal. Chem., 2008, 36(10): 1364-1368

      陳 黎, 王金芳, 杜 鵬, 唐小革, 趙坤霞, 潘燦平. 分析化學(xué), 2008, 36(10): 1364-1368

      8 Wu M, Cai J G, Yao J Y, Dai B J, Lu Y T. Bull. Environ. Contaim. Toxicol., 2010, 84(3): 289-293

      9 Valeria G, Azamela M, Polonca T, Ferenc G, Mladen F. Environ. Chem. Lett., 2007, 5(4): 203-208

      10 XIE Wen, QIAN Yan, DING HuiYing, CHEN XiaoMei, XI JunYang, JIANG XiaoYing. Chinese J. Anal. Chem., 2009, 37(4): 495-499

      謝 文, 錢(qián) 艷, 丁慧瑛, 陳笑梅, 奚君陽(yáng), 蔣曉英. 分析化學(xué), 2009, 37(4): 495-499

      11 Di Muccio A, Fidente P, Barbini D A, Dommarco R, Seccia S, Morrica P. J. Chromatogr. A, 2006, 1108(1): 1-6

      12 Liu Z, Yan X, Hua X, Wang M H. Anal. Methods, 2013, 5(14): 3572-3576

      13 Liu Z, Yan X, Xu X, Wang M H. Analyst, 2013, 138(11): 3280-3286

      14 YU YanBin, LIU ZongXing, TAN PiGong, L ChunYing,HOU YanZhuo. Chinese J. Anal. Chem., 2013, 41(8): 1259-1263

      于彥彬, 譚丕功, 劉宗興, 呂春瑩, 侯彥卓. 分析化學(xué), 2013, 41(8): 1259-1263

      15 HU XiaoGang, LI GongKe. Chinese J. Anal. Chem., 2006, 34(7): 1035-1041

      胡小剛, 李攻科. 分析化學(xué), 2006, 34(7): 1035-1041

      16 Chen L X, Xu S F, Li J H. Chem. Soc. Rev., 2011, 40(5): 2922-2942

      17 Liu Y, Hoshina K, Haginaka J. Talanta, 2010, 80(5): 1713-1718

      18 Sadeghi S, Jahani M. Food Chem., 2013, 141(2): 1242-1251

      Determination of Three Neonicotinoid Pesticides Residues by

      High Performence Liquid Chromatography with

      Molecularly Imprinting Solid Phase Extraction

      YANG DongDong, CONG LuJing, TIAN MingMing, WANG MingHua*

      (College of Plant Protection, Nanjing Agricultural University,

      Jiangsu Key Laboratory of Pesticide Science, Nanjing 210095, China)

      Abstract A molecularly imprinted polymer (MIP) for the selective solid phase extraction of imidacloprid, imidaclothiz, thiacloprid was synthesized by polymerization for 24 h using thiacloprid as template. Dynamic adsorption and selective adsorption test showed that the MIP could quickly adsorb the imidacloprid, imidaclothiz, thiacloprid, with good selectivity for targets. The maximum static adsorption capacity of MIP was 31.7, 36.7 and 45.3 mg/g, respectively. A molecularly imprinted solid phase extraction (MIPSPE) was developed to separate, clean up and enrich the thiacloprid, imidacloprid and imidaclothiz residue in paddy water, soil, rice, tomato, cucumber. The average recoveries were 80.2%-98.8%, with relative standard deviation of 1.4%-4.5%. The MIPSPE was used to analyses the real samples, the result was satisfied.

      Keywords Molecularly imprinted polymers; Thiacloprid; Imidacloprid; Imidaclothiz; Solid phase extraction; High performence liquid chromatography

      (Received 11 March 2014; accepted 25 March 2014)

      YANG DongDong, CONG LuJing, TIAN MingMing, WANG MingHua*

      (College of Plant Protection, Nanjing Agricultural University,

      Jiangsu Key Laboratory of Pesticide Science, Nanjing 210095, China)

      Abstract A molecularly imprinted polymer (MIP) for the selective solid phase extraction of imidacloprid, imidaclothiz, thiacloprid was synthesized by polymerization for 24 h using thiacloprid as template. Dynamic adsorption and selective adsorption test showed that the MIP could quickly adsorb the imidacloprid, imidaclothiz, thiacloprid, with good selectivity for targets. The maximum static adsorption capacity of MIP was 31.7, 36.7 and 45.3 mg/g, respectively. A molecularly imprinted solid phase extraction (MIPSPE) was developed to separate, clean up and enrich the thiacloprid, imidacloprid and imidaclothiz residue in paddy water, soil, rice, tomato, cucumber. The average recoveries were 80.2%-98.8%, with relative standard deviation of 1.4%-4.5%. The MIPSPE was used to analyses the real samples, the result was satisfied.

      Keywords Molecularly imprinted polymers; Thiacloprid; Imidacloprid; Imidaclothiz; Solid phase extraction; High performence liquid chromatography

      (Received 11 March 2014; accepted 25 March 2014)

      YANG DongDong, CONG LuJing, TIAN MingMing, WANG MingHua*

      (College of Plant Protection, Nanjing Agricultural University,

      Jiangsu Key Laboratory of Pesticide Science, Nanjing 210095, China)

      Abstract A molecularly imprinted polymer (MIP) for the selective solid phase extraction of imidacloprid, imidaclothiz, thiacloprid was synthesized by polymerization for 24 h using thiacloprid as template. Dynamic adsorption and selective adsorption test showed that the MIP could quickly adsorb the imidacloprid, imidaclothiz, thiacloprid, with good selectivity for targets. The maximum static adsorption capacity of MIP was 31.7, 36.7 and 45.3 mg/g, respectively. A molecularly imprinted solid phase extraction (MIPSPE) was developed to separate, clean up and enrich the thiacloprid, imidacloprid and imidaclothiz residue in paddy water, soil, rice, tomato, cucumber. The average recoveries were 80.2%-98.8%, with relative standard deviation of 1.4%-4.5%. The MIPSPE was used to analyses the real samples, the result was satisfied.

      Keywords Molecularly imprinted polymers; Thiacloprid; Imidacloprid; Imidaclothiz; Solid phase extraction; High performence liquid chromatography

      (Received 11 March 2014; accepted 25 March 2014)

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