Abstract
Peptide-forming reagents have been Applied to wool in an attempt to convert "salt links" into amide cross-links. Wool which has been modified with biscyclohexyl carbodi imide is almost unchanged in weight, handle, and appearance but has increased resistance to attack by alkali, alkaline thioglycollate, urea-bisultite, and trypsin. The mechanism of the changes involved is not known.
The extraction of wool with alkaline thioglycollate solutions has been developed as a routine test.
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