ZENG Hai-shen,HE Cai,YANG Yun-yun,ZENG Xi-liu,XIE Jia-liang,LIU Ning,DENG Jie-wei,LUAN Tian-gang.Investigation on the Bioaccumulation and Tissue Distribution of Per- and Polyfluoroalkyl Substances in Zebrafish by UPLC-MS/MS[J].Journal of Instrumental Analysis,2024,43(08):1189-1196.
ZENG Hai-shen,HE Cai,YANG Yun-yun,ZENG Xi-liu,XIE Jia-liang,LIU Ning,DENG Jie-wei,LUAN Tian-gang.Investigation on the Bioaccumulation and Tissue Distribution of Per- and Polyfluoroalkyl Substances in Zebrafish by UPLC-MS/MS[J].Journal of Instrumental Analysis,2024,43(08):1189-1196. DOI: 10.12452/j.fxcsxb.24052669.
Investigation on the Bioaccumulation and Tissue Distribution of Per- and Polyfluoroalkyl Substances in Zebrafish by UPLC-MS/MS
A method for analysis of the bioaccumulation and tissue distribution of per- and polyfluoroalkyl substances(PFASs) in zebrafish using ultra high performance liquid chromatography-tandem mass spectrometry(UPLC-MS/MS) was established. Zebrafishes were exposed to perfluorooctane sulfonate(PFOS),perfluorooctanoic acid(PFOA),perfluorohexanesulfonic acid(PFHxS),and perfluorohexanesulfonic acid(PFDA) for durations of 7,21,and 28 days at a concentration of 100 μg/L for each analyte. After exposure,various tissues and organs from the zebrafish were isolated,
extracted with methanol,and subsequently analyzed using UPLC-MS/MS under negative ion multiple reaction monitoring(MRM) mode. The results showed that there were good linear relationships in the range of 1-200 μg/L for four PFASs,with a correlation coefficient(
r
) not less than 0.997 4. The limits of detection(LODs) and limits of quantitation(LOQs) of the method were 0.072-0.152 ng/g and 0.287-0.609 ng/g,respectively. After being exposed to four kinds of PFASs,the zebrafish's organs will all be polluted by these four pollutants. Among the four PFASs,both PFDA and PFOS showed relatively higher accumulation levels in the organs of zebrafish. PFOA accumulates mainly in high amounts in the intestine and liver. PFHxS shows the lowest accumulation in zebrafish,with its relative contribution to the total content of the four pollutants in various organs being less than 13%. This study provides a scientific basis for elucidating the environmental behavior and ecological risk of PFASs within aquatic organisms.
关键词
超高效液相色谱-串联质谱斑马鱼全氟及多氟烷基化合物生物富集组织分布
Keywords
UPLC-MS/MSzebrafishPFASsbioaccumulationtissue distribution
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