Patent ID: 6387648
Filing Date: 2002-05-14
Classification: C12Q

Abstract:
A method for regulating the disinfection of a liquid, comprising the steps:A. at one stage of the disinfection, designated hereinafter stage 2, measuring the activity of at least one enzyme by bringing microorganisms which may be present in the liquid into contact with a substrate chosen as being capable of revealing the activity of the enzyme, this enzymatic activity being a specific activity, B. at one stage, designated hereinafter stage 1, prior to stage 2, measuring the activity of the same enzyme as in A, this activity being an initial activity, C. translating, for each enzyme, the specific activity and initial activity, into levels of microorganisms surviving in the liquid at stage 2 of the disinfection by means of a reference system preestablished with the aid of a sample of the liquid collected at stage 1 and then exposed to increasing doses of at least one disinfectant, and D. adjusting, as a function of the level of surviving microorganisms, the agents used for the disinfection.