نتایج جستجو برای: environmental contaminants

تعداد نتایج: 382381  

2012
Afaf M. Hafez

The precise detection of genotoxic effects induced by environmental contaminants is an essential part of any genetic toxicology screening programme. Fish, however, provides a sensitive monitor for environmental genotoxicity in aquatic environment. Mugil cephalus genome has now been employed in this study for detection of clastogenic and cellular lesions induced by aquatic contaminants in Abu-Qi...

2009
Shehnaz Abdul Sheikh Jawaid Altaf Baig Mohammad Baig Abdul Waheed

Exposure to contaminants, generally called pollution, relates back to olden age when the environment was clean and free from chemicals. Knowledge of human exposure to environmental contaminants is an important component of environmental epidemiology, risk assessment, risk management, status and trends analysis. Exposure information provides a critical link between sources of contaminants, their...

1998
Steven R. Sheffield

—Much like the caged canary used by miners, a plethora of wildlife species have been promoted as biomonitors of environmental contamination. These species provide an “early warning system” for toxic contaminants in the environment. Species promoted as useful biomonitors share many common life history characters, such as wide distribution, territorial, non-migratory behavior, high trophic status...

2013
Yemin Guo Zhili Gong Yaoyao Cao Xiangyou Wang Xia Sun

Electrochemical immunosensors have emerged as a highly sensitive and rapid technique for chemical contaminants detection in environmental monitoring, food safety and quality control. This review concentrates on recent advances made in detection and quantification of chemical contaminants such as pesticides and antibiotics residues with electrochemical immunosensors. In this paper, the preparati...

2010
Fábio HE Andrade Fernanda C Figueiroa Paulo RO Bersano Denise Z Bissacot Noeme S Rocha

Mammary tumors of female dogs have greatly increased in recent years, thus demanding rapid diagnosis and effective treatment in order to determine the animal survival. There is considerable scientific interest in the possible role of environmental contaminants in the etiology of mammary tumors, specifically in relation to synthetic chemical substances released into the environment to which livi...

Journal: :Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2009
Michael R Templeton Nigel Graham Nick Voulvoulis

Recent advances in environmental analytical chemistry have resulted in an explosion of knowledge regarding the presence of previously undetectable chemical contaminants in water and wastewater. Many of these contaminants are anthropogenic, resulting from commercial products from human society and subsequently dispersed throughout the aquatic environment, passing between wastewater effluents, na...

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