APPARATUS FOR DETERMINING NUMBER OF LIVE MICROBIAL CELLS

PURPOSE:To provide an apparatus for the determination of the number of live microbial cells, usable over a wide field, having high accuracy, producible at a low cost and capable of getting the determination result only within several hours. CONSTITUTION:The objective apparatus for the determination...

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Bibliographische Detailangaben
Hauptverfasser:	ASAMA HAJIME, ENDO ISAO, HIRUTA BUNJI, IWATANI FUKUO, SUZUKI SHINPEI, NAGAMUNE TERUYUKI, TAKACHI KOICHI, BENNO YOSHIMI
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS OR TEST PAPERS THEREFOR COMPOSITIONS THEREOF CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL ORENZYMOLOGICAL PROCESSES CULTURE MEDIA ENZYMOLOGY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEICACIDS OR MICROORGANISMS METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING PHYSICS PROCESSES OF PREPARING SUCH COMPOSITIONS PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS TESTING VINEGAR WINE
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Beschreibung
Zusammenfassung:	PURPOSE:To provide an apparatus for the determination of the number of live microbial cells, usable over a wide field, having high accuracy, producible at a low cost and capable of getting the determination result only within several hours. CONSTITUTION:The objective apparatus for the determination of the number of live microbial cells is composed of an automatic diluting and stirring apparatus for diluting a specimen containing the objective microbial cells with a selective liquid medium in plural dilution stages and stirring the diluted solutions, an automatic fluorescent measuring apparatus to irradiate the microbial cells in the diluted specimen with excitation light having a peak wavelength of 366nm and determine the intensity of fluorescent light of 430-490nm wavelength emitted from the microbial cells, an external memory apparatus storing a data base on a preparatorily determined fluorescent intensity for known species of microorganisms and the number of live microbial cells and a processor to retrieve and refer the data base of the external memory apparatus based on the detected value obtained by the automatic fluorescent measuring apparatus and process the obtained data and, at the same time, control the automatic diluting and stirring apparatus and the automatic fluorescent measuring apparatus.