COMPARATIVE STUDIES IN ORGANIC ARSENIC DERIVATIVES

Arsenic, Organic Foods, and Brown Rice Syrup

BACKGROUND Rice can be a major source of inorganic arsenic (Asi) for many sub-populations. Rice products are also used as ingredients in prepared foods, some of which may not be obviously rice based. Organic brown rice syrup (OBRS) is used as a sweetener in organic food products as an alternative to high-fructose corn syrup. We hypothesized that OBRS introduces As into these products. OBJECTI...

Organic derivatives of algal polysaccharides

A survey of organic derivatives of commercially important red seaweed polysaccharides is presented. The most important applications of soluble polysaccharides extracted from seaweeds utilize their ability to modify the properties of aqueous solutions. The presence of natural substituents and synthetic derivatives have broadened the area of applicability of phycocolloids. The ability of polysacc...

History of the development of arsenic derivatives in cancer therapy.

Arsenic is a natural substance that has been used medicinally for over 2,400 years. In the 19th century, it was the mainstay of the materia medica. A solution of potassium arsenite (Fowler's solution) was used for a variety of systemic illnesses from the 18th until the 20th century. This multipurpose solution was also primary therapy for the treatment of chronic myelogenous leukemia until repla...

Prokaryotic Arsenic Resistance - Studies in Bacillus Subtilis

Comparative Study of Cadmiumand Arsenic Accumulation in Toothed Carp (Aphanius sophiae)in Fresh and Salt Water

Background: Anthropogenic activities release high concentrations of heavy metals into the aquatic ecosystems, which can be absorbed by the aquatic organisms. In this study, the accu-mulation of cadmium (Cd) and arsenic (As) was compared in liver, gill and muscle tissues of toothed carp (Aphanius sophiae) in fresh and salt water. Methods: A total of 175 fish samples were collected from the Sh...