NDLI: Sensitive Determination of Eleven Phenolic Endocrine-disrupting Chemicals in Human Urine Using Gas Chromatography/mass Spectrometry -selected Ion Monitoring

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Sensitive Determination of Eleven Phenolic Endocrine-disrupting Chemicals in Human Urine Using Gas Chromatography/mass Spectrometry -selected Ion Monitoring

Content Provider	Semantic Scholar
Author	Kim, Hyub Jang, Cheol Hyeon
Copyright Year	2007
Abstract	I improved an analytical method for determining trace amounts of eleven phenolic endocrine- disrupting chemicals (11 phenolic EDCs) in human urine. The 11 phenolic EDCs were subjected to hydro- lysis and then to solid phase extraction with a XAD-4 column. Alkylphenols, chlorophenols, and bisphenol A in XAD-4 column were eluted with acetonitrile, and the eluate was concentrated under a nitrogen stream, and then tert-butyldimethylsilylation. Separation and determination were done by gas chromatography, using mass spectrometry operating in the selective ion monitoring mode for quantitation. For tert-butyldimethylsily (TBDMS) derivatization the recoveries were 91.2~125.9%, the limits of quantitation (LOQ) for the 11 phe- nolic EDCs in the nanogram-per-milliliter range (0.025~1.000 ng/mL) were thus achieved by using 1 mL of urine, and the SIM responses were linear with the correlation coefficient varying by 0.9300~0.9943. Based on the results for urine samples from unexposed individuals, 4-tert-octylphenol and pentachlorophenol were detected in hydrolysed urine sample. Other alkylphenols, chlorophenols and bisphenol A were not detected.
Starting Page	93
Ending Page	100
Page Count	8
File Format	PDF HTM / HTML
DOI	10.4491/eer.2007.12.3.093
Volume Number	12
Alternate Webpage(s)	http://ocean.kisti.re.kr/downfile/volume/kosenv/E1HGBK/2007/v12n3/E1HGBK_2007_v12n3_93.pdf
Alternate Webpage(s)	https://doi.org/10.4491/eer.2007.12.3.093
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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