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101.
Lee WJ Baccarelli A Tretiakova M Gorbanev S Lomtev A Klimkina I Tchibissov V Averkina O Dosemeci M 《Environment international》2006,32(3):412-416
This study was carried out to examine the association between pesticide exposure and lung cancer mortality. We conducted an autopsy based case-control study in Leningrad Province in Russia. A total of 540 lung cancer cases and 582 controls were identified among subjects who had died in the hospitals of the Leningrad province between 1993 and 1998. Using work history records, we assessed exposure to pesticide at the level of industry and job title. Unconditional logistic regression was used to calculate adjusted odds ratio for pesticide exposure and lung cancer mortality. There was no association between ever exposure to pesticide and lung cancer mortality overall (odds ratio=1.06, 95% confidence interval=0.82-1.36) and in both men (odds ratio=1.11, 95% confidence interval=0.84-1.46) and women (odds ratio=0.74, 95% confidence interval=0.37-1.46). We observed no statistically significant odds ratio by duration of pesticide exposure, intensity of pesticide exposure, and cumulative pesticide exposures with lung cancer mortality in both smokers and nonsmokers. Odds ratio also did not differ when the analysis was restricted to individuals who had exposure data with high confidence scores. Our findings suggest no associations between pesticide exposures and mortality of lung cancer in the population of the Leningrad province in Russia that deserves further evaluation. 相似文献
102.
Evgeny Ya. Davydov Irina S. Gaponova Tatiana V. Pokholok Georgy B. Pariiskii 《Journal of Polymers and the Environment》2011,19(1):312-327
Mechanism of nitrogen dioxide interaction with polymers containing amide and imide groups in the main or side chains of macromolecules
(polycaproamide, polyvinylpyrrolidone, poly-m-phenylene isophthalamide and polypyromellitimide) is considered. The initiators of conversions of polymers of the given classes
are not monoradicals of nitrogen dioxide rather than its equilibrium dimers in the form of nitrosyl nitrate. In primary oxidizing
reaction of an electron transfer from donor groups of macromolecules to nitrosyl nitrate, radical cations, nitric oxide and
nitrate anion are formed, which in the subsequent reactions give products of nitration and nitrosation. These products are
precursors of stable acylalkylaminoxyl, acylarylaminoxyl, iminoxyl macroradicals. The specific interactions of nitrogen dioxide
dimers with functional groups of macromolecules determine features of the mechanism of ion-radical conversions of the polymers
and the composition of radical and molecular products. The direct detection of radical cations has been realized by ESR method
for confirmation of the ion-radical initiation concept using model reaction of nitrogen dioxide with triphenylamine. 相似文献
103.
104.
Physiological and biochemical characteristic of Miscanthus × giganteus grown in heavy metal – oil sludge co-contaminated soil
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Anna Muratov Yelena Lyubun Irina Sungurtsev Olga Turkovskay Asil Nurzhanova 《环境科学学报(英文版)》2022,34(5):114-125
The effect of oil sludge and zinc, present in soil both separately and as a mixture on the physiological and biochemical parameters of Miscanthus × giganteus plant was examined in a pot experiment. The opposite effect of pollutants on the accumulation of plant biomass was established: in comparison with uncontaminated control the oil sludge increased, and Zn reduced the root and shoot biomass. Oil sludge had an inhibitory effect on the plant photosynthetic apparatus, which intensified in the presence of Zn. The specific antioxidant response of M. × giganteus to the presence of both pollutants was a marked increase in the activity of superoxide dismutase (mostly owing to oil sludge) and glutathione-S-transferase (mostly owing to zinc) in the shoots. The participation of glutathione-S-transferase in the detoxification of both the organic and the inorganic pollutants was assumed. Zn inhibited the activity of laccase-like oxidase, whereas oil sludge promoted laccase and ascorbate oxidase activities. This finding suggests that these enzymes play a part in the oxidative detoxification of the organic pollutаnt. With both pollutants used jointly, Zn accumulation in the roots increased 6-fold, leading to increase in the efficiency of soil clean-up from the metal. In turn, Zn did not significantly affect the soil clean-up from oil sludge. This study shows for the first time the effect of co-contamination of soil with oil sludge and Zn on the physiological and biochemical characteristics of the bioenergetic plant M. × giganteus. The data obtained are important for understanding the mechanisms of phytoremediation with this plant. 相似文献
105.
Kuzikova Irina Andronov Evgeny Zaytseva Tatyana Metelkova Larissa Zhakovskaya Zoya Medvedeva Nadezda 《Environmental science and pollution research international》2022,29(46):69849-69860
Environmental Science and Pollution Research - Pollution of aquatic ecosystems with nonylphenol (NP) and butyltins (BuTs) is of great concern due to their effects on endocrine activity, toxicity to... 相似文献