FR2067508A5 - - Google Patents

Info

Publication number
FR2067508A5
FR2067508A5 FR6938124A FR6938124A FR2067508A5 FR 2067508 A5 FR2067508 A5 FR 2067508A5 FR 6938124 A FR6938124 A FR 6938124A FR 6938124 A FR6938124 A FR 6938124A FR 2067508 A5 FR2067508 A5 FR 2067508A5
Authority
FR
France
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
FR6938124A
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.)
INST NAL RECH AGR
Gourdon Ets
Original Assignee
INST NAL RECH AGR
Gourdon Ets
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 INST NAL RECH AGR, Gourdon Ets filed Critical INST NAL RECH AGR
Priority to FR6938124A priority Critical patent/FR2067508A5/fr
Priority to CH1523070A priority patent/CH517178A/fr
Priority to DE2051189A priority patent/DE2051189C3/de
Priority to GB5256470A priority patent/GB1331072A/en
Priority to NL7016218A priority patent/NL7016218A/xx
Priority to US00087638A priority patent/US3714445A/en
Application granted granted Critical
Publication of FR2067508A5 publication Critical patent/FR2067508A5/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/30—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration
    • C12M41/36—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration of biomass, e.g. colony counters or by turbidity measurements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02—Burettes; Pipettes
    • B01L3/021—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
    • B01L3/0217—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids of the plunger pump type
    • B01L3/0227—Details of motor drive means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/10—Devices for withdrawing samples in the liquid or fluent state
    • G01N1/14—Suction devices, e.g. pumps; Ejector devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • 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
    • Y10S435/808—Optical sensing apparatus

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Zoology (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Hydrology & Water Resources (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Sustainable Development (AREA)
  • Theoretical Computer Science (AREA)
  • Biomedical Technology (AREA)
  • General Engineering & Computer Science (AREA)
  • Clinical Laboratory Science (AREA)
  • Mathematical Physics (AREA)
  • Genetics & Genomics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
FR6938124A 1969-11-06 1969-11-06 Expired FR2067508A5 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR6938124A FR2067508A5 (fr) 1969-11-06 1969-11-06
CH1523070A CH517178A (fr) 1969-11-06 1970-10-15 Dispositif pour mesurer la densité optique d'un milieu de culture microbienne
DE2051189A DE2051189C3 (de) 1969-11-06 1970-10-19 Vorrichtung zum Messen der optischen Dichte von Mikrobenkulturen
GB5256470A GB1331072A (en) 1969-11-06 1970-11-04 Method and means of optical density measurement of microbial cultures
NL7016218A NL7016218A (fr) 1969-11-06 1970-11-05
US00087638A US3714445A (en) 1969-11-06 1970-11-09 Apparatus for optical measurements of microbial cultures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6938124A FR2067508A5 (fr) 1969-11-06 1969-11-06

Publications (1)

Publication Number Publication Date
FR2067508A5 true FR2067508A5 (fr) 1971-08-20

Family

ID=9042671

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6938124A Expired FR2067508A5 (fr) 1969-11-06 1969-11-06

Country Status (6)

Country Link
US (1) US3714445A (fr)
CH (1) CH517178A (fr)
DE (1) DE2051189C3 (fr)
FR (1) FR2067508A5 (fr)
GB (1) GB1331072A (fr)
NL (1) NL7016218A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2635587A1 (fr) * 1988-08-19 1990-02-23 Mandel William Appareil et procede pour des mesures de densite optique de biomasses

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4021120A (en) * 1974-03-18 1977-05-03 Dr. Ing. Hans Mueller Method of measuring the turbidity of gas-containing liquid mediums with microorganisms
DE2913058C3 (de) * 1979-03-31 1981-10-15 Ihle Ingenieurgesellschaft mbH, 4000 Düsseldorf Vorrichtung zur Messung des Feststoffgehaltes einer Flüssigkeit
US4279509A (en) * 1979-12-05 1981-07-21 Syva Company Zero volume flow cell
DE3239866A1 (de) * 1982-10-27 1984-05-03 Laboratorium Prof. Dr. Rudolf Berthold, 7547 Wildbad Abdunkelbare messstation eines photometers
DE8230199U1 (de) * 1982-10-27 1983-03-24 Laboratorium Prof. Dr. Rudolf Berthold, 7547 Wildbad Abdunkelbare messstation eines photometers
US4798798A (en) * 1983-08-17 1989-01-17 Kraft, Inc. Apparatus for monitoring a chemical process
GB2154607B (en) * 1983-12-23 1987-09-23 Nishihara Env San Res Co Ltd Microorganism monitoring apparatus
JPS60244279A (ja) * 1984-05-21 1985-12-04 Mitsubishi Electric Corp 微生物類の自動観察装置
DE3516529A1 (de) * 1985-05-08 1986-11-27 Gesellschaft für Strahlen- und Umweltforschung mbH, München, 8042 Neuherberg Anlage zur turbidimetrischen messung und regelung von mikroorganismenkulturen
US5917592A (en) * 1997-02-28 1999-06-29 Charm Sciences, Inc. Photometer, and test sample holder for use therein, method and system
CN1125172C (zh) 1997-04-18 2003-10-22 国家科学研究中心 用于微生物学诊断的设备,套件和方法
KR100253914B1 (ko) * 1997-12-20 2000-04-15 윤덕용 광투과경로길이조절이가능한밀폐형온라인측정장치
AU3454699A (en) * 1998-03-30 1999-10-18 Friedrich Srienc A flow injection flow cytometry system for on-line monitoring of bioreactors andmethod for monitoring
ES2185496B1 (es) * 2001-07-17 2005-06-01 Universidad Politecnica De Valencia Equipo y metodo en linea para la deteccion, determinacion de la evolucion y cuantificacion de biomasa microbiana y otras sustancias que absorben a lo largo del espectro de luz durante el desarrollo de procesos biotecnologicos.
US20040214314A1 (en) 2001-11-02 2004-10-28 Friedrich Srienc High throughput bioreactor
DE10204963A1 (de) * 2002-02-06 2003-08-14 Isco Inc Fotometrische Sonde für Untersuchungen an Flüssigkeiten sowie Verfahren hierfür
US20090285721A1 (en) * 2008-05-15 2009-11-19 Pason Systems Corp. Apparatus for chemical analysis of a sample
US11285487B2 (en) 2017-04-20 2022-03-29 Biomerieux, Inc. Tip resistant optical testing instrument

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1937722A (en) * 1931-08-14 1933-12-05 Simon Alfred Walter Dust and smoke density measuring device
US2898802A (en) * 1956-01-24 1959-08-11 Ljungberg Lars Rune Photoelectric colorimeter
US3542649A (en) * 1967-04-07 1970-11-24 Hoffmann La Roche Color developing composition consisting of an enzyme,a salicylate and a hypochlorite donor
US3572952A (en) * 1968-02-20 1971-03-30 American Optical Corp Float cuvette

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2635587A1 (fr) * 1988-08-19 1990-02-23 Mandel William Appareil et procede pour des mesures de densite optique de biomasses

Also Published As

Publication number Publication date
DE2051189A1 (de) 1971-05-27
GB1331072A (en) 1973-09-19
US3714445A (en) 1973-01-30
NL7016218A (fr) 1971-05-10
CH517178A (fr) 1971-12-31
DE2051189C3 (de) 1979-10-11
DE2051189B2 (de) 1979-02-22

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Legal Events

Date Code Title Description
ST Notification of lapse