Abstract
A METHOD for the estimation of sulphydryl groups in hair and other insoluble proteins by means of the specific sulphydryl reagent, 1-(4-chloromercuriphenylazo)-naphthol-2, has recently been reported by Scott and Flesch1. In this method, the hair is pulverized, treated with water at 100° or an aqueous solution of a swelling agent at 40° and shaken with a solution of the reagent in amyl acetate, the decrease in concentration of the reagent in the amyl acetate layer being measured colorimetrically.
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References
Science, 119, 70 (1954).
Flesch and Kun, Proc. Soc. Exp. Biol. Med., 74, 249 (1950).
Private communication from Dr. P. Flesch.
Bull. Inst. Text. France, 30, 255 (1952).
Marston, “Fibrous Proteins”, 211 (Society of Dyers and Colourists, Bradford, 1946).
Palmer, R. C., J. Agric. Sci., 39, 265 (1949).
Zahn, Kolloid-Z., 113, 157 (1949).
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BURLEY, R. Sulphydryl Groups in Wool. Nature 174, 1019–1020 (1954). https://doi.org/10.1038/1741019a0
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DOI: https://doi.org/10.1038/1741019a0
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