نتایج جستجو برای: persistent organic pollutants
تعداد نتایج: 313434 فیلتر نتایج به سال:
Over the past few decades, scientists around the world have revealed the sinister impacts that persistent organic pollutants (POPs) could inflect on man and his environment. Growing interest in monitoring and managing POPs was building up at a worldwide level and Egypt was no exception. Egypt has ratified the Stockholm Convention for controlling the emission of POPs and had its National Impleme...
This article discusses the topics and ideas presented at the Special Session of the conference Dioxin 2008 (28th International Symposium on Halogenated Environmental Organic Pollutants and POPs) titled: "Emerging POPs". The session was devoted to emerging and re-emerging compounds or groups of compounds identified recently as environmental contaminants and classified as dioxin-like compounds or...
An impedimetric sensor for persistent toxic substances, including organic pollutants and toxic inorganic ions is presented. The persistent toxic substances are detected using an ultrasensitive technique that is based on electron-transfer blockage. This depends on the formation of guest-host complexes, hydrogen bonding, or a cyclodextrin (CD)-metal complex (Mm(OH)n-β-CD) structure between the ta...
Schafer and Kegley bring up the important issue of excessive chemicals exposure of children. However, they do not consider in depth the "cumulative and simultaneous exposures faced by children, (.) moving beyond the chemical-by-chemical approach of the past", as quoted from the US Environmental Protection Agency national agenda to protect children from environmental health threats. Existing evi...
In recent years there has been a growing concern all over the globe, about marine pollution due to persistent organic pollutants. Sediments, which are an important component of marine environment can serve as sorbents or concentrators for various persistent organic pollutants, including Polychlorinated Biphenyls (PCBs). In this study, the depth profile of accumulated PCBs in Thane Creek sedimen...
Environmental Health Perspectives • volume 121 | number 7 | July 2013 A 209 Erratum: “A Physiologically Based Pharmacokinetic Model for the Assessment of Infant Exposure to Persistent Organic Pollutants in Epidemiologic Studies” Verner et al. have reported an error in their article “A Physiologically Based Pharmacokinetic Model for the Assessment of Infant Exposure to Persistent Organic Polluta...
Understanding the legacy of persistent organic pollutants requires studying the transition from primary to secondary source control.
Persistent organic pollutants are a heterogeneous group of chemicals sharing a number a common properties, including long term persistence and diffusion in the environment, and bioaccumulation through the food chain. Animal experiments and epidemiological studies suggest that the most sensitive adverse effects, such as disturbances on metabolism, development, and reproductive system, may occur ...
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