The Action of Atomic Hydrogen on Aqueous Solutions: I. Effect on Silver, Cysteine, and Glutathione Solutions

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Abstract
Equipment capable of producing hydrogen atoms at a controllable and reproducible rate is described. The experimental arrangement permits reactions of the atomic hydrogen with liquids or solutions with boiling points as high as or higher than that of water. The action of atomic hydrogen on cysteine results in a variety of reactions, of which the most important appear to be the formation of hydrogen sulfide and of cystine, the disulfide (dimer) of cysteine. The reactions are markedly dependent on the pH of the solution. There is no indication of any attack on the amino group, which is in accord with results obtained with glutathione. It is hoped that this approach will be useful in elucidating the role of atomic hydrogen in other reactions and on other types of compounds, as well as the function of additives designed to minimize such reaction.

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