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A recording viscometer for assaying mammalian collagenase.


ABSTRACT: A recording viscometer for monitoring the action of mammalian collagenase on soluble collagen is described. For this system, where only one peptide bond is cleaved per subunit, it is shown theoretically that the decrease in viscosity is proportional to the fraction of molecules cleaved. Experimental confirmation was obtained by parallel monitoring of hydrolysis by using the fluorescamine assay of liberated amino groups. The initial velocity of reaction is proportional to substrate concentration and enzyme concentration.

SUBMITTER: Macartney HW 

PROVIDER: S-EPMC1152120 | biostudies-other | 1983 Jul

REPOSITORIES: biostudies-other

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