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Bacterial degradation of arsenobetaine via dimethylarsinoylacetate
Microorganisms from Mytilus edulis (marine mussel) degraded arsenobetaine, with the formation of trimethylarsine oxide, dimethylarsinate and...
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Phytoremediation and hyperaccumulator plants
Phytoremediation is a group of technologies that use plants to reduce, remove, degrade, or immobilize environmental toxins, primarily those of...
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Arsenic Hazards to Humans, Plants, and Animals from Gold Mining
Arsenic sources to the biosphere associated with gold mining include waste soil and rocks, residual water from ore concentrations, roasting of some...
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High arsenic groundwater: Mobilization, metabolism and mitigation – an overview in the Bengal Delta Plain
The widespread occurrence of high inorganic arsenic in natural waters is attributed to human carcinogen and is identified as a major global public...
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Species-Selective Analysis for Metals and Metalloids in Plants
Interactions of plants with metals and metalloids have attracted considerable attention in recent years (Merian 1991; Prasad 1996). This interest has...
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Molecular mechanisms of arsenic carcinogenesis
Arsenic is a metalloid compound that is widely distributed in the environment. Human exposure of this compound has been associated with increased...
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Fish arsenic may influence human blood arsenic, selenium, and T4:T3 ratio
The effects of an arsenic-rich fish diet and selenium (Se) supplementation on blood arsenic (As), Se, and thyroid hormones were studied in 32 women...
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Microbial transformation of elements: the case of arsenic and selenium
Microbial activity is responsible for the transformation of at least one third of the elements in the periodic table. These transformations are the...
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Arsenic accumulation in three species of sea turtles
Arsenic in the liver, kidney and muscle of three species of sea turtles, e.g., green turtles ( Chelonia mydas ), loggerhead turtles ( Caretta caretta )...
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Pharmacokinetics, Metabolism, and Carcinogenicity of Arsenic
In civilizations throughout history, arsenic has enjoyed a reputation of power and mystery, a means of effecting outcomes both virtuous and sinister...
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Effect of arsenic trioxide on metallothionein and its conversion to different arsenic metabolites in hen liver
The metabolism of arsenic, its affinity to metallothionein (MT), its influence on selenium levels, and its biotransformation to different metabolites...
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Uptake of arsenate, trimethylarsine oxide, and arsenobetaine by the shrimp Crangon crangon
Common shrimp, Crangon crangon (L.), were exposed to inorganic arsenic (arsenate), trimethylarsine oxide, or arsenobetaine in sea water (100 μg As l −1 ...
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Species-Selective Analysis for Metals and Metalloids in Plants
Interactions of plants with metals and metalloids have attracted considerable attention over recent years (Merian 1991; Prasad 1997). This interest...
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Organochlorine Residues and Elemental Contaminants in U.S. Freshwater Fish, 1976-1986: National Contaminant Biomonitoring Program
The National Contaminant Biomonitoring Program (NCBP) was maintained for two decades by the U.S. Fish and Wildlife Service (FWS) to document temporal...
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Degradation of arsenobetaine to inorganic arsenic by bacteria in seawater
The substances suspended in seawater were fractionated by membrane filtration into three fractions. Fraction 1 was collected on a membrane filter of...
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Chemical speciation of arsenic in urine of patients with blackfoot disease
Blackfoot disease is a peripheral vascular disease resulting in gangrene of the lower extremities. Although extensive epidemiological study has...