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排序方式: 共有598条查询结果,搜索用时 15 毫秒
591.
Cargnelutti D Tabaldi LA Spanevello RM de Oliveira Jucoski G Battisti V Redin M Linares CE Dressler VL de Moraes Flores EM Nicoloso FT Morsch VM Schetinger MR 《Chemosphere》2006,65(6):999-1006
In this study, the effects of exogenous mercury (HgCl(2)) on time-dependent changes in the activities of antioxidant enzymes (catalase and ascorbate peroxidase), lipid peroxidation, chlorophyll content and protein oxidation in cucumber seedlings (Cucumis sativus L.) were investigated. Cucumber seedlings were exposed to from 0 to 500microM of HgCl(2) during 10 and 15 days. Hg was readily absorbed by growing seedlings, and its content was greater in the roots than the in shoot. Time and concentration-dependent reduction in root and shoot length was observed at all concentrations tested, equally in the roots and shoot, at both 10 and 15 days. At 50microM HgCl(2), root fresh weight of 15-day-old seedlings increased, and at other concentrations, it reduced. For 10-day-old seedlings, reduction in root and shoot fresh biomass was observed. At 15 days, only at 50microM HgCl(2) was there no observed reduction in shoot fresh biomass. Dry weight of roots increased at 500microM both at 10 and 15 days, though at 250microM HgCl(2) there was only an increase at 15 days. There was a significant effect on shoot dry weight at all concentrations tested. Hg-treated seedlings showed elevated levels of lipid peroxides with a concomitant increase in protein oxidation levels, and decreased chlorophyll content when exposed to between 250 and 500microM of HgCl(2). At 10 days, catalase activity increased in seedlings at a moderately toxic level of Hg, whereas at the higher concentration (500microM), there was a marked inhibition. Taken together, our results suggest that Hg induces oxidative stress in cucumber, resulting in plant injury. 相似文献
592.
Carvalho Fernando L. Pinto Diana Schio Rejiane R. dos Santos Jaqueline P. Ketzer Felipe Silva Luis F. O. Dotto Guilherme L. 《Environmental science and pollution research international》2022,29(44):66348-66358
Environmental Science and Pollution Research - A real industrial effluent from the pre-treatment and painting processes was polished through adsorption using alternative biochar derived from grape... 相似文献
593.
Schirmer Waldir Nagel dos Santos Liliana Andréa Martins Kelly Geronazzo Gueri Matheus Vitor Diniz Jucá José Fernando Thomé 《Journal of Material Cycles and Waste Management》2023,25(5):2887-2899
Journal of Material Cycles and Waste Management - Anaerobic digestion of the organic fraction of municipal solid wastes is a well-established process for biogas production and various forms of... 相似文献
594.
Hollas Camila Ester Rodrigues Heloisa Campeão Oyadomari Vitoria Mitsue Agliardi Bolsan Alice Chiapetti Venturin Bruno Bonassa Gabriela Tápparo Deisi Cristina Abilhôa Hélen Caroline Zonta da Silva João Fernando Ferri Michelon William Cavaler Jadiane Paola Antes Fabiane Goldschmidt Steinmetz Ricardo Luís Radis Treichel Helen Kunz Airton 《Environmental science and pollution research international》2022,29(49):73599-73621
Environmental Science and Pollution Research - Improper disposal of animal waste is responsible for several environmental problems, causing eutrophication of lakes and rivers, nutrient overload in... 相似文献
595.
de Oliveira Paulo Renato Souza Trugilho Paulo Fernando de Oliveira Tiago Jose Pires 《Environmental science and pollution research international》2022,29(6):8559-8559
Environmental Science and Pollution Research - A Correction to this paper has been published: 10.1007/s11356-021-16529-z 相似文献
596.
de Oliveira Paulo Renato Souza Trugilho Paulo Fernando de Oliveira Tiago José Pires 《Environmental science and pollution research international》2022,29(6):8549-8558
Environmental Science and Pollution Research - Agro-industries, leveraged by the high demand of acai products, promote environmental impact through the generation of wastes in several locals in... 相似文献
597.
Lima Fernando Santos Scalize Paulo Sérgio Gabriel Ellen Flávia Moreira Gomes Raylane Pereira Gama Aline Rodrigues Demoliner Meriane Spilki Fernando Rosado Vieira José Daniel Gonçalves Carneiro Lilian Carla 《Food and environmental virology》2022,14(1):77-88
Food and Environmental Virology - Rural environments lack basic sanitation services. Facilities for obtaining water and disposing sewage are often under the initiative of each resident, who may not... 相似文献
598.
Palma-Goyes Ricardo E. Sosa-Rodríguez Fabiola S. Rivera Fernando F. Vazquez-Arenas Jorge 《Environmental science and pollution research international》2022,29(28):42201-42214
Environmental Science and Pollution Research - The aim of this study is to propose a continuous physicochemical model accounting for the active chlorine production used to degrade recalcitrant... 相似文献