Abstract
Conditions were devised for partial reduction of disulfide bonds in wool fibers. Rates of reduction were followed by alkylating the generated sulfhydryl groups with 2-vinylpyridine and estimating the concentration of the resulting cysteine derivative by ultraviolet spectroscopy and/or amino acid analysis. Unreacted cystine residues were estimated by amino acid analysis. Breaking strepgth of wool fibers decreases with increase in time of reduction.
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