نتایج جستجو برای: aquatic nanotoxicology
تعداد نتایج: 31723 فیلتر نتایج به سال:
background bacterium-bacterium antagonistic interactions could be important in the ecology of marine bacteria. antimicrobial properties of microorganisms are exploited in various fields of human activities. objectives antagonism of heterotrophic bacteria from different marine environments of tropical and temperate zones was examined. materials and methods bacteria were isolated from biofilm sam...
[1] We explored the role of aquatic systems in the global N cycle using a spatially distributed, within-basin, aquatic nitrogen (N) removal model, implemented within the Framework for Aquatic Modeling in the Earth System (FrAMES-N). The model predicts mean annual total N (TN) removal by small rivers (with drainage areas from 2.6–1000 km), large rivers, lakes, and reservoirs, using a 300 latitud...
Ecosystems can be linked by the movement of matter and nutrients across habitat boundaries via aquatic insect emergence. Aquatic organisms tend to have higher concentrations of certain toxic contaminants such as methylmercury (MeHg) compared to their terrestrial counterparts. If aquatic organisms come to land, terrestrial organisms that consume them are expected to have elevated MeHg concentrat...
UNLABELLED Aging of the worldwide population is a concern of most governmental entities, spanning practically all areas of prevention and rehabilitation. Aging leads to physiological alterations that result in adverse social and financial effects. There is a trend to emphasize prevention, which is less expensive and socially more desirable than therapeutic intervention. PURPOSE To assess the ...
the main purpose of the present study was to investigate effective factors of the market development of aquatics and products processed from them. the present research was applied research. also, it was quantity research and in terms of the method of collecting data was a survey research. the statistical population of this study consisted of experts of agricultural jihad organization, experts o...
Nanoparticle in vivo characteristics and interactions between nanoparticles and organisms are key components of nanotoxicology. 1H NMR was used to analyze rat urine metabolites exposed to TiO, nanopartcles by intratracheal instillation in low (0.8 mg/kg), medium (4 mg/kg) and high doses (20 mg/kg). Significant metabolite (Acetate, Valine, Dimethylamine, Taurine, Hippurate, and 2-Oxoglutarate) c...
With the advancement of nanotoxicology and nanomedicine, it has been realized that nanoparticles (NPs) interact readily with biomolecular species and other chemical and organic matter to result in biocorona formation. The field of the environmental health and safety of nanotechnology, or NanoEHS, is currently lacking significant molecular-resolution data, and we set out to characterize biocoron...
The development and implementation of nanomaterials (NMs) is rapid and a vast range of applications is already in place or foreseen. Consequently, there is a concomitant increased likelihood for NMs being released into the environment. Given this, there is concern regarding the potential ecological sustainability of nanotechnology [1]. Although, this concern has driven an impressive progress in...
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