Labelling, Fractionation and Toxicity of Scorpion (Leiurus quinquestriatus H and E) Venom, using 125 I, 131 I and Gel-Filtration Technique

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Abstract
Labelling the venom of scorpion was achieved by means of a technique previously published by the author. The radioisotopes, used were both 125I and 131I in a nascent form. Fractionation was done by the use of Sephadex G-100. Both the radioactivity and the extinction curves denoted the presence of three well defined peaks. The toxicity of the first fraction was found to be the most lethal. While the second peak was in the magnitude of 20 percent of the first, the third peak proved to be nontoxic to mice up to a concentration of 6 mg/kg body weight.