Chemistry

Carbonic Anhydrase Definition Carbonic anhydrase is an enzyme that assists rapid inter-conversion of carbon dioxide and water into carbonic acid, protons and bicarbonate ions. The…

Xanthine Oxidase Definition Xanthine oxidase is a form of xanthine oxidoreductase, an enzyme that generates reactive oxygen species such as superoxide radicals and hydrogen peroxide…

Superoxide Definition Superoxide is any of certain metal oxides that contain the O2 – ion: potassium superoxide, KO2. It is important as the product of…

Copolymer Definition Copolymer is a polymer of two or more different monomers. The synthetic rubber used to make tire treads and shoe soles, for example,…

Teichoic Acid Definition Teichoic acid is any of a class of strongly acidic polymers found in the cell walls, capsules, and membranes of all gram-positive…

Oxide Definition Oxide is a compound of oxygen and another element or radical. Water (H2O) is an oxide. Oxides are binary compounds of oxygen with…

Peroxide Definition Peroxide is a compound containing the group O2. Peroxides are strong oxidizers and are used as industrial bleaches. When any peroxide is combined…

Hydrogen Selenide Definition Hydrogen selenide is a key intermediate in the selenium methylation metabolism of inorganic and organic selenium compounds with the formula H2Se. It…

Thyroid Hormones Definition Thyroid hormones are vital to the growth and development of a fetus. Its chemical substances made by the thyroid gland, which is…

Sodium Selenate Definition Sodium selenate is an inorganic form of the trace element selenium with potential antineoplastic activity. It is the sodium salt of selenium…

Selenic Acid Definition Selenic acid is a colourless crystalline soluble strong dibasic acid analogous to sulphuric acid with the molecular formula H2SeO4. Included under this…

Oxalic Acid Definition Oxalic acid is a poisonous, crystalline acid found in a number of plants such as sorrel and the leaf blades of rhubarb.…