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weijie08

铁杆木虫 (正式写手)


[资源] VOC生物监测方面的重要英文文献(52页免费下载)

Biological monitoring for exposure to volatile organic compounds (VOCs)
(IUPAC Recommendations 2000)


Abstract: This paper deals with the appropriate application of biological monitoring
(BM) for exposure to volatile organic compounds (VOCs). Sampling guidelines,
approved analytical procedures, quality control systems, detailed aspects for the
interpretation of biomonitoring data, a compilation of international biological
action values for VOC exposure at the workplace (e.g., BAT, BEI®, and state of
the art reference values are outlined or referred to in this review for recommendation
as guidelines for health professionals in occupational and environmental settings.
VOCs are frequently encountered at the workplace, in daily routines and
widely used consumer products. They cover a broad spectrum of chemical classes
with different physicochemical and biological properties. Inhalation is a prominent
route of exposure due to their volatility but many VOCs can quite readily be absorbed
through the skin. BM allows assessment of the integrated exposure by different
routes including inhalation and concomitant dermal and oral uptake—a helpful
tool for relating exposure to body burden and possible health effects. Because of
the different toxicological profiles of VOCs, no uniform approach for BM can be
recommended. VOCs in blood and urinary VOC metabolites are most often applied
for BM. Limit values for workplace exposure have been established for many
VOCs. In this field, profound analytical methodology and extensive experience
exist in numerous international scientific laboratories for reliable routine application.
Contamination and loss of VOCs during specimen collection, storage and sample
treatment, and applied calibration procedure are the most important uncertainties
for analytical quantification of VOCs in blood. For interpretation of the analytical
results appropriate time of sampling, according to toxicokinetics of the compound,
is crucial due to VOC elimination with short but differing biological half-lives.
Lifestyle factors (such as smoking habits, alcohol consumption, and dietary habits),
workload, personal working habits, exposure to VOC mixtures and endogeous
factors (as genetic polymorphism for VOC metabolizing enzymes, body mass)
contribute to BM results and have to be considered in detail. Future analytical
work should focus on the improvement of analytical methodology of VOC
determination in body fluids at low-level environmental exposure and evaluation
of corresponding reference intervals.

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[ Last edited by weijie08 on 2008-7-27 at 14:16 ]
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weijie08

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请各位多评价!!!
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