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Application of Nanoscale Poly(divinyl-benzene vinylpyrrolidone) as Solid-phase Extraction Adsorbent prior to LC-MS-MS for the Determination of Paralytic Shellfish Poisoning Toxins in Shellfish

文献类型： 外文期刊

作者： Zhang Xiaoling 1 ; Feng Bing 1 ; Cai Youqiong 1 ; Yu Huijuan 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Minstry Agriculgure China, Supervis & Test Ctr Aquat Producs, E China Sea Fisheries Res Inst, Shanghai 200090, Peoples R China

关键词： Paralytic shellfish poisoning toxins;Solid-phase extraction;LC-MS-M;Nanoscale adsorbent;Shellfish

期刊名称：MATERIALS, MECHATRONICS AND AUTOMATION, PTS 1-3 （ 影响因子：0.224； ）

ISSN： 1013-9826

年卷期： 2011 年 467-469 卷

页码：

收录情况： SCI

摘要： In the present study, the feasibility of the poly(divinyl-benzene vinylpyrrolidone) as solid-phase extraction (SPE) nanoscale adsorbent prior to LC-MS-MS method for the sensitive and selective determination of eight paralytic shellfish poisoning (PSP) (GTX1, GTX2, GTX3, GTX4, GTX5, dcGTX2, dcGTX3 and dcNEO-b) toxins in the shellfish was investigated. Various parameters affecting SPE efficiency including the eluent and its volume, and sample volume were studied. The application of the SPE can remove most of the ematrix interference compared with the conventional SPE procedure. By using slected reaction monitoring (SRM) mode in LC-MS-MS analysis, the acquired calibration curves were strictly linear (r(2) > 0.996) for the eight targeted analyses. The feasibility of the proposed method was finally validated by quantifing the eight PSPs in the shellfish samples (scallop, Crassostrea gigas and Ruditapes philippinarum) with the satisfitory recoveries of more than 80% with RSDs less than 10%.

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