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IARC Monographs Volume 111: Some Nanomaterials and Some Fibres
This volume of the IARC Monographs contains evaluations of the carcinogenic hazard to humans of fluoro-edenite fibrous amphibole, silicon carbide fibres and whiskers, and carbon nanotubes. None of these agents had been evaluated previously by the Working Group. Source:
Risk of Preeclampsia From Exposure to Particulate Matter (PM2.5) Speciation Chemicals During Pregnancy
Objective: To determine whether maternal exposure to particulate matter (PM2.5) speciation chemicals during pregnancy is associated with the risk of preeclampsia. Methods: We allocated average daily exposure values for 36 ambient particulate matter speciation chemicals to mothers during their first trimester and their entire pregnancy. The main outcome of interest was preeclampsia occurrence. Adjusted odd ratios and 95% confidence intervals were computed. Results: The odds for preeclampsia were increased per interquartile range increase in pollutants for exposure to elemental carbon during the...
Biological Effects of Emissions From Resistance Spot Welding of Zinc-Coated Material After Controlled Exposure of Healthy Human Subjects
Objective: Do emissions from a resistance spot welding process of zinc-coated materials induce systemic inflammation in healthy subjects after exposure for 6 hours? Methods: Twelve healthy male subjects were exposed once for 6 hours either to filtered ambient air or to welding fume from resistance spot welding of zinc-coated material (mass concentration approximately 100 μg m−3). Biological effects were measured before, after, and 24 hours after exposure. Results: At the concentrations used in this study, however, the suspected properties of ultrafine particles did not lead to systemic...

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