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学科主题: 分析化学
题名: Reliable screening of pesticide residues in maternal and umbilical cord sera by gas chromatography-quadrupole time of flight mass spectrometry
其他题名: 利用GC-QTOF MS对母婴血清中农药残留的筛查
作者: Fan RJ(范若静); Zhang F(张芳); Wang HY(王昊阳); Zhang L(张立); Zhang J(张菁); Zhang Y(张莹); Yu CT(余翀天); Guo YL(郭寅龙)
通讯作者: 郭寅龙
刊名: Sci. China-Chem.
发表日期: 2014
DOI: 10.1007/s11426-013-5023-5
卷: 57, 期:5, 页:669-677
收录类别: SCI
英文摘要: The widespread use of pesticides induces heavy adverse effects on human health, especially for the pregnant women and the newborns. In this study, a screening method has been developed for the determination of multi-pesticides in maternal and umbilical cord sera. All pesticides in sera were collected using solid phase extraction (SPE), and analyzed by gas chromatography-quadrupole time of flight mass spectrometry (GC-QTOF MS). To set up the quality criteria, a database of 50 pesticides was created and the accurate masses of 3 up to 5 representative ions with their intensity ratios were included for each pesticide. In addition, a novel "identification points" (IPs) system relying on the accurate MS1 and MS2 spectra was used to interpret the data for each suspected pesticide. The methodology was then applied to a pair of maternal and umbilical cord sera. A total of six pesticide residues were screened out successfully. In conclusion, GC-QTOF MS combined with an accurate mass database seemed to be one of the most efficient tools for systematic pesticide analysis.
语种: 英语
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/38583
Appears in Collections:分析化学研究室_期刊论文

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作者单位: 中科院上海有机化学研究所

Recommended Citation:
Fan RJ,Zhang F,Wang HY,et al. Reliable screening of pesticide residues in maternal and umbilical cord sera by gas chromatography-quadrupole time of flight mass spectrometry[J]. Sci. China-Chem.,2014,57(5):669-677.
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