Radiolysis of Aqueous Solutions of Glycine

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Abstract
A detailed mechanism for the radiolysis of the glycine-water system is developed. The treatment is based on literature sources and on new, described experimental findings. It is proposed that the indirect action of radiation on glycine in oxygen-free solution results in formation of the free-radical intermediates CH2COOH and NH2CHCOOH. Although most of these ultimately yield acetic acid and glyoxylic acid respectively, it is concluded that some undergo radical reaction to yield succinic acid, aspartic acid, and diaminosuccinic acid. Effects of oxygen, glycine concentration and pH are discussed.