Effect of Ethanol on the Radiolysis of Ribonuclease

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Abstract
The dependence of D37 on the ribonuclease concentration was measured for the depolymerase and hydrolase activity. Ethanol gives different radiation protection to the two functions by OH·-scavenging. Evidence for the reaction of ethanol radicals was obtained by simultaneously scavenging hydrated electrons, OH·- and most of the H·-radicals without increase in the radiation protection. The efficiency of the individual primary radicals and the ethanol radicals in inactivating ribonuclease is calculated from the measured inactivation yield.