DE3468125D1 - Method of measuring the number of cells of microorganisms - Google Patents

Method of measuring the number of cells of microorganisms

Info

Publication number
DE3468125D1
DE3468125D1 DE8484302431T DE3468125T DE3468125D1 DE 3468125 D1 DE3468125 D1 DE 3468125D1 DE 8484302431 T DE8484302431 T DE 8484302431T DE 3468125 T DE3468125 T DE 3468125T DE 3468125 D1 DE3468125 D1 DE 3468125D1
Authority
DE
Germany
Prior art keywords
microorganisms
cells
measuring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8484302431T
Other languages
German (de)
English (en)
Inventor
Hideo Kanou
Masahiro Kamata
Shigeru Yamanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ajinomoto Co Inc
Original Assignee
Ajinomoto Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ajinomoto Co Inc filed Critical Ajinomoto Co Inc
Application granted granted Critical
Publication of DE3468125D1 publication Critical patent/DE3468125D1/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
    • C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/34—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving hydrolase
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
    • C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/02—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving viable microorganisms
    • C12Q1/04—Determining presence or kind of microorganism; Use of selective media for testing antibiotics or bacteriocides; Compositions containing a chemical indicator therefor
    • C12Q1/06—Quantitative determination
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
    • C12Q2334/00—O-linked chromogens for determinations of hydrolase enzymes, e.g. glycosidases, phosphatases, esterases
    • C12Q2334/20—Coumarin derivatives
    • C12Q2334/22—4-Methylumbelliferyl, i.e. beta-methylumbelliferone, 4MU
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
    • C12Q2337/00—N-linked chromogens for determinations of peptidases and proteinases
    • C12Q2337/20—Coumarin derivatives
    • C12Q2337/22—7-Amino-4-methylcoumarin, i.e. AMC, MCA
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00—Chemistry: molecular biology and microbiology
    • Y10S435/8215—Microorganisms
    • Y10S435/911—Microorganisms using fungi

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Biotechnology (AREA)
  • Biophysics (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Toxicology (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
DE8484302431T 1983-04-12 1984-04-10 Method of measuring the number of cells of microorganisms Expired DE3468125D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58064308A JPS59192099A (ja) 1983-04-12 1983-04-12 微生物菌数の測定法

Publications (1)

Publication Number Publication Date
DE3468125D1 true DE3468125D1 (en) 1988-01-28

Family

ID=13254477

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484302431T Expired DE3468125D1 (en) 1983-04-12 1984-04-10 Method of measuring the number of cells of microorganisms

Country Status (4)

Country Link
US (1) US4675289A (enExample)
EP (1) EP0122148B1 (enExample)
JP (1) JPS59192099A (enExample)
DE (1) DE3468125D1 (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8416044D0 (en) * 1984-06-22 1984-07-25 Unilever Plc Carrying out microchemical and microbiological tests
DE3429823A1 (de) * 1984-08-14 1986-02-27 Merck Patent Gmbh, 6100 Darmstadt Mittel und verfahren zum nachweis antimikrobiell wirksamer substanzen
US5089395A (en) * 1985-02-27 1992-02-18 University Of Cincinnati Viable microorganism detection by induced fluorescence
EP0215066A1 (en) * 1985-02-27 1987-03-25 University Of Cincinnati Viable microorganism detection by induced fluorescence
US4803157A (en) * 1986-01-31 1989-02-07 Eastman Kodak Company Hydrolyzable fluorescent substrates for phosphatases and analytical use thereof
US4812409A (en) * 1986-01-31 1989-03-14 Eastman Kodak Company Hydrolyzable fluorescent substrates and analytical determinations using same
US5429933A (en) 1986-06-30 1995-07-04 Edberg; Stephen C. Detection of first generation environmental sourced microbes in an environmentally-derived sample
US4925789A (en) * 1986-06-30 1990-05-15 Edberg Stephen C Method and medium for use in detecting target microbes in situ in a specimen sample of a possibly contaminated material
US4952495A (en) * 1987-06-08 1990-08-28 Eastman Kodak Company Hydrolyzable compounds which release electron transfer agents and analytical use of same
GB8727796D0 (en) * 1987-11-27 1987-12-31 Radiometer Corporate Developme Urine assay process and kit
FR2628531B1 (fr) * 1988-03-08 1992-10-02 Chemunex Sa Procede de recherche, de detection specifique et de numeration de micro-organismes, installation pour la mise en oeuvre dudit procede
JPH0411899A (ja) * 1990-04-27 1992-01-16 Shimadzu Corp 生物体の計数法
US5985594A (en) * 1995-11-14 1999-11-16 Idexx Laboratories, Inc. Method for quantification of biological material in a sample
US5700655A (en) * 1995-11-14 1997-12-23 Idexx Laboratories, Inc. Method for quantification of biological material in a sample
US7122338B2 (en) * 1995-11-14 2006-10-17 Biocontrol Systems, Inc. Method for quantification of biological material in a sample
GB9609024D0 (en) 1996-05-01 1996-07-03 Idg Uk Ltd Compounds
US5854011A (en) * 1996-12-19 1998-12-29 Idexx Laboratories Incorporated Method and components for the detection of yeasts and/or molds in a sample
WO1999019510A1 (en) 1997-10-10 1999-04-22 President And Fellows Of Harvard College Surface-bound, double-stranded dna protein arrays
DE102004002607A1 (de) * 2004-01-15 2005-08-04 Beiersdorf Ag Visualisierung von Sonnenschutzmitteln auf der Haut

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3451893A (en) * 1966-09-27 1969-06-24 Litton Systems Inc Method of rapidly detecting microorganisms
US4146604A (en) * 1973-05-31 1979-03-27 Block Engineering, Inc. Differential counting of leukocytes and other cells
JPS53105477A (en) * 1977-02-26 1978-09-13 Ajinomoto Co Inc 7-glycylprolylamono-4-methylcoumarine
US4215047A (en) * 1977-06-06 1980-07-29 Ajinomoto Company Incorporated 7-(Arginylamino)-4-methylcoumarins
JPS5468290A (en) * 1977-11-10 1979-06-01 Seikagaku Kogyo Co Ltd Method of measuring toxin in bacterium by original fluorescent substance
DE3117241A1 (de) * 1981-04-30 1982-11-18 Ajinomoto Co., Inc., Tokyo Schnellverfahren zum nachweis oder zur bestimmung von mikroorganismen
JPS6064797A (ja) * 1983-09-20 1985-04-13 Seiko Instr & Electronics Ltd プレス装置

Also Published As

Publication number Publication date
EP0122148B1 (en) 1987-12-16
JPH0472517B2 (enExample) 1992-11-18
US4675289A (en) 1987-06-23
EP0122148A1 (en) 1984-10-17
JPS59192099A (ja) 1984-10-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: STREHL, P., DIPL.-ING. DIPL.-WIRTSCH.-ING. SCHUEBEL-HOPF, U., DIPL.-CHEM. DR.RER.NAT. GROENING, H., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN

8339 Ceased/non-payment of the annual fee