Patent ID: 6107053
Filing Date: 2000-08-22
Classification: C12Q,Y10S

Abstract:
A centrifuge tube comprising a cylinder portion; a frustoconical portion; a capillary at a bottom of the tube; and containing a gel system for detecting microorganisms, said gel system comprising:a development phase comprising a gel containing microorganism culture medium and a reagent capable of inducing a detectable variation in optical measurement in the presence of microorganisms and a first phase intimate mixture which comprises water originating wholly or partly from the culture medium and water-absorbing polymer particles so that, in said first phase intimate mixture, said polymer particles have a) a concentration by dry weight of between 0.05 g/ml and 0.2 g/ml and b) a diameter in a swollen state of between 90 .mu.m and 320 .mu.m.