We speciated arsenic compounds in marine fish and shellfish from two islands of the United States Territory of American Samoa in the South Pacific, and found that inorganic arsenic occurred as a minor fraction. The proportion of inorganic arsenic was generally far below the levels of prevailing assumptions typically used in human health risk assessments when only total arsenic is analysed. Fish...

In addition to naturally occurring arsenic, man-made arsenic-based compounds are other sources of arsenic exposure. In 2013, our group identified 12 suspected arsenicosis patients in a household (32 living members). Of them, eight members were diagnosed with skin cancer. Interestingly, all of these patients had lived in the household prior to 1989. An investigation revealed that approximately 2...

Arsenic occurs naturally in the earth's crust and is widely distributed in the environment. Natural mineralization and activities of microorganisms enhance arsenic mobilization in the environment but human intervention has exacerbated arsenic contamination. Although arsenic is useful for industrial, agricultural, medicinal and other purposes, it exerts a toxic effect in a variety of organisms, ...

Arsenic and its methylated derivatives are contaminants of air, water, and food and are known as toxicants and carcinogens. Arsenic compounds are also being used as cancer chemotherapeutic agents. In humans, inorganic arsenic is metabolically methylated to mono-, di-, and trimethylated forms. Recent findings suggest that the methylation reactions represent a toxification rather than a detoxific...

Arsenic is a trace element and a global contaminant. There are currently large uncertainties associated with our understanding and quantification of the arsenic cycles in the global environment. This study proposes a research framework where the major anthropogenic processes affecting anthropogenic arsenic cycles (AACs) are identified. A characteristic of this framework is that it divides AACs ...

During last several decades, arsenic and its compounds have been characterized as major environmental pollutants thus potential causes of both human animals poisoning. Water milk are one the sources arsenic. In this study, influence from drinking water on concentration in cow`s was investigated, well udder parenchyma. The study included twenty cows six farms Banat. which blood samples were take...