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- W2367742105 abstract "Objective:To establish a sensitive and accurate liquid chromatography-tandem mass spectrometry method(LC-MS/MS) for simultaneous determination of four aflatoxins in Pheretima.Methods:The samples were firstly extracted with methanol-water solution(80:20,v/v),and then cleaned up by immunoaffinity columns.The mass spectrometer was operated in the positive ionization electrospray(ESI) mode using multiple reaction monitoring(MRM) for analysis of four aflatoxins.The transitions of m/z 313→241(aflatoxin B1,CE 50 eV),m/z 315→259(aflatoxin B2,CE 43 eV),m/z 329→243(aflatoxin G1,CE 38 eV) and m/z 331→245(aflatoxin G2,CE 40 eV) were used to quantify four aflatoxins,respectively.Results:The detection limits of aflatoxin B1,B2,G1 and G2 were 0.03,0.02,0.03 and 0.02 μg·kg-1,respectively.The recoveries of four analytes ranged from 88.0% to 100.3% and the relative standard deviations were all below 6.1%.Conclusion:The method is sensitive,simple and accurate,and proved to be suitable for the simultaneous determination of four aflatoxins in Pheretima." @default.
- W2367742105 created "2016-06-24" @default.
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- W2367742105 date "2012-01-01" @default.
- W2367742105 modified "2023-09-26" @default.
- W2367742105 title "HPLC-MS/MS simultaneous determination of aflatoxins B_1,B_2,G_1 and G_2 in Pheretima" @default.
- W2367742105 hasPublicationYear "2012" @default.
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