NDLI: Solid-phase microextraction and gas chromatography-mass spectrometry for determination of monoaromatic hydrocarbons in blood and urine: Application to people exposed to air pollutants

Content Provider	Springer Nature Link
Author	Andreoli, R. Manini, P. Bergamaschi, E. Brustolin, A. Mutti, A.
Copyright Year	1999
Abstract	To assess individual exposure to monoaromatic hydrocarbons (benzene, toluene, ethylbenzene and xylenes-BTEX) in biological fluids, a GC-MS method was developed. Headspace sampling of BTEX was by solidphase microextraction (SPME) with a 75 μm Carboxenpolydimethylsiloxane (PDMS) fiber. Linearity was established for concentrations up to 50 μg L−1. Detection limits, calculated both in human blood and urine, ranged 5–10 ng L−1. Repeatability was in the range 6.5–9.2% for all compounds. The method was applied to the evaluation of the internal dose of BTEX in a group of cyclists running for 2 h within city routes. Benzene and toluene in blood, and toluene and xylenes in urine significantly increased after exercise as compared to prerun values, such changes being consistent with airborne concentrations. The combination of SPME with GC-MS seems to represent an appropriate analytical approach to detect changes in the concentration of monoaromatic hydrocarbons in biological media resulting from exposure to environmental pollution.
Starting Page	167
Ending Page	172
Page Count	6
File Format	PDF
ISSN	00095893
Journal	Chromatographia
Volume Number	50
Issue Number	3-4
e-ISSN	16121112
Language	English
Publisher	Vieweg Verlag
Publisher Date	1999-01-01
Publisher Place	Wiesbaden
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Gas chromatography-mass spectrometry Solid-phase microextraction Benzene, toluene, ethylbenzene, xylenes Biological monitoring Analytical Chemistry Organic Chemistry Pharmacy Biochemistry Plant Sciences Measurement Science, Instrumentation
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Analytical Chemistry Biochemistry Clinical Biochemistry

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