Title:
METHOD OF DETECTING LIVE MICROORGANISMS
Document Type and Number:
WIPO Patent Application WO/1997/021799
Kind Code:
A1
Abstract:
The invention relates to the field of optical biosensors and facilitates detection of mobile microorganisms in a liquid with a high degree of sensitivity even in the presence of a large number of brownian particles. The method in essence involves measuring, within a frequency range restricted at the lower end, the mean amplitude of the fluctuation in intensity of laser radiation scattered by the particles in the liquid, this being proportional to both the concentration and mobility of the particles. The turbidity of the liquid, which is proportional only to the particle concentration, is also measured and the presence of mobile microorganisms is assessed by comparing the two signals.
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Inventors:
RASTOPOV STANISLAV FEDOROVICH (RU)
AGEEV VLADIMIR GENNADIEVICH (RU)
AGEEV VLADIMIR GENNADIEVICH (RU)
Application Number:
PCT/RU1996/000299
Publication Date:
June 19, 1997
Filing Date:
October 14, 1996
Export Citation:
Assignee:
RASTOPOV STANISLAV FEDOROVICH (RU)
AGEEV VLADIMIR GENNADIEVICH (RU)
AGEEV VLADIMIR GENNADIEVICH (RU)
International Classes:
C12N1/00; C12M1/34; C12Q1/02; G01N21/49; G01N15/02; (IPC1-7): C12M1/34
Foreign References:
| GB2145112A | 1985-03-20 | |||
| GB1282857A | 1972-07-26 | |||
| SU1306947A1 | 1987-04-30 | |||
| SU1406153A1 | 1988-06-30 |
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