Time and temperature-dependent enzymatic indicator

Details Time and temperature-dependent enzymatic indicator Time and temperature-dependent enzymatic indicator

1975-02-20

1976-08-31

Naff, David M.

Textiles: fiber preparation

195 63, 1951035R, 426 61, 426 88, 426231, 426524, C12K 104, C12K 100, A23L 300, G01N 3114

Patent

active

039779459

ABSTRACT:
A time and temperature dependent enzymatic indicator with discontinuable indication comprises a plastic envelope container enclosing an enzyme, an enzymatic substrate and a pH-indicator as active components, the indication being discontinuable in that the enzyme is bound to a carrier and in that the plastic envelope is sealable for dividing the container into two compartments, one of which is free from enzyme and thus cannot provide further indication.

REFERENCES:
patent: 2671028 (1954-03-01), Clark
patent: 3822189 (1974-07-01), Tornmarck
patent: 3846242 (1974-11-01), Ernst

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