نتایج جستجو برای: styrene
تعداد نتایج: 6501 فیلتر نتایج به سال:
Background: Liver is an important organ that responsible for biological detoxification. There are few studies about the effect of co-exposure to organic solvents and noise on hepatic system enzymes. The study aim was to assess the effects of short-term exposure to noise and styrene on rat liver enzymes. Materials and Methods: In this experimental study, we studied the liver enzymes of male r...
Single strand breaks in DNA were monitored in leucocytes from 17 men occupationally exposed to styrene. Personal air monitoring was carried out during one workday with two diffusion samplers and a portable photoionisation detector placed in the breathing zone. Exposure to styrene was also monitored by analysing styrene in blood and urine and mandelic acid in urine. Single strand breaks were mea...
The enrichment of styrene degrading microorganisms from biofilters resulted in a broad range of degrading isolates with unkown in situ relevance. For this reason an in situ labeling of styrene degrading microorganisms using deuterated styrene and phospholipid fatty acids as biomarkers prior to the isolation approach was performed. By this method the fatty acid profiles of the primary styrene de...
The biodegradation performance of a biofilter, inoculated with the fungus Sporothrix variecibatus, to treat gas-phase styrene and acetone mixtures under steady-state and transient conditions was evaluated. Experiments were carried out by varying the gas-flow rates (0.05-0.4m(3)h(-1)), leading to empty bed residence times as low as 17.1s, and by changing the concentrations of gas-phase styrene (...
In a patient with asthma who was exposed to styrene serial self recorded measurements of peak expiratory flow showed the asthma to be work related, and inhalation tests with styrene reproducibly provoked a dual asthmatic response and increased responsiveness to inhaled histamine.
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