Sökning: "Arsenic"
Visar resultat 16 - 20 av 125 avhandlingar innehållade ordet Arsenic.
16. Prokaryotic Arsenic Resistance - Studies in Bacillus subtilis
Sammanfattning : Arsenic is a toxic metalloid which is found all over the globe. Due to its toxicity and wide abundance, all living organisms have evolved intrinsic arsenic resistance systems. In this study, three proteins that provide arsenic resistance in the Gram-positive bacterium Bacillus subtilis have been investigated. LÄS MER
17. Exposure, telomere length, and cancer risk
Sammanfattning : Telomeres are tandem repeats of TTAGGG at the end of eukaryotic chromosomes. Telomeres play a key role in chromosome stability and regulation of the cellular lifespan. Telomeres are shortened during cell division, and probably, by not yet well characterised factors in the environment. LÄS MER
18. Removal of metals from contaminated waters : Evaluating the use of synthetic adsorbents and green algae biomass
Sammanfattning : Metal contamination of water bodies has attracted global attention owing to its environmental toxicity, abundance and persistence. Metals such as arsenic, cadmium and mercury are of greater concern since they are toxic even at low concentrations. LÄS MER
19. Increasing the impact and sustainability of safe drinking water supply systems in rural Bangladesh : Randomized experiments with interventions in project life cycle
Sammanfattning : Tillgång till rent dricksvatten är en global utmaning, vilket återspeglas i hållbar utvecklingsmål 6. I Bangladesh är det en brådskande fråga att överbrygga klyftan mellan de som har säkert hanterat dricksvatten och de med förbättrade källor. LÄS MER
20. Cellular Responses to Arsenite and Cadmium - Mechanisms of Toxicity and Defense in Saccharomyces cerevisiae
Sammanfattning : All biological systems have to cope with a wide range of metals that are present in the environment. Metals can be essential or beneficial for life, inert or non-essential and toxic, often depending on their chemical form and concentration. Most organisms have evolved defense mechanisms in order to deal with toxic metals. LÄS MER