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FR2951547B1 - BIOMASS SENSOR DEVICE ELECTRICALLY REFERENCE. - Google Patents

BIOMASS SENSOR DEVICE ELECTRICALLY REFERENCE.

Info

Publication number
FR2951547B1
FR2951547B1 FR0957295A FR0957295A FR2951547B1 FR 2951547 B1 FR2951547 B1 FR 2951547B1 FR 0957295 A FR0957295 A FR 0957295A FR 0957295 A FR0957295 A FR 0957295A FR 2951547 B1 FR2951547 B1 FR 2951547B1
Authority
FR
France
Prior art keywords
group
electrode
probe
conditioner
sensor device
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.)
Active
Application number
FR0957295A
Other languages
French (fr)
Other versions
FR2951547A1 (en
Inventor
Frederic Ossart
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.)
Hamilton Bonaduz AG
Original Assignee
Unity Semiconductor SAS
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 Unity Semiconductor SAS filed Critical Unity Semiconductor SAS
Priority to FR0957295A priority Critical patent/FR2951547B1/en
Priority to PCT/FR2010/052191 priority patent/WO2011045547A1/en
Publication of FR2951547A1 publication Critical patent/FR2951547A1/en
Application granted granted Critical
Publication of FR2951547B1 publication Critical patent/FR2951547B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/483—Physical analysis of biological material
    • G01N33/487—Physical analysis of biological material of liquid biological material
    • G01N33/48707—Physical analysis of biological material of liquid biological material by electrical means
    • G01N33/48735—Investigating suspensions of cells, e.g. measuring microbe concentration

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Biochemistry (AREA)
  • Biotechnology (AREA)
  • Molecular Biology (AREA)
  • Genetics & Genomics (AREA)
  • Sustainable Development (AREA)
  • Microbiology (AREA)
  • Biophysics (AREA)
  • Hematology (AREA)
  • General Engineering & Computer Science (AREA)
  • Urology & Nephrology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

The present invention relates to a device for picking up at least one impedance measurement in a physical, physicochemical and/or biological process including: a probe suitable for being applied to an environment containing biological cells, said probe including a body, a first group of at least one electrode and a second group of at least one electrode, a conditioner suitable for outputting signals showing the electrical impedance of said environment between the electrode(s) of the first group and the electrode(s) of the second group, said conditioner being electrically referenced to a measurement mass, a connection means suitable for connecting the probe and the conditioner, characterised in that said probe also includes a third group of at least one electrode electrically connected to a reference electric potential.
FR0957295A 2009-10-16 2009-10-16 BIOMASS SENSOR DEVICE ELECTRICALLY REFERENCE. Active FR2951547B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0957295A FR2951547B1 (en) 2009-10-16 2009-10-16 BIOMASS SENSOR DEVICE ELECTRICALLY REFERENCE.
PCT/FR2010/052191 WO2011045547A1 (en) 2009-10-16 2010-10-15 Sensor device for electrically referenced biomass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0957295A FR2951547B1 (en) 2009-10-16 2009-10-16 BIOMASS SENSOR DEVICE ELECTRICALLY REFERENCE.

Publications (2)

Publication Number Publication Date
FR2951547A1 FR2951547A1 (en) 2011-04-22
FR2951547B1 true FR2951547B1 (en) 2013-11-08

Family

ID=42224656

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0957295A Active FR2951547B1 (en) 2009-10-16 2009-10-16 BIOMASS SENSOR DEVICE ELECTRICALLY REFERENCE.

Country Status (2)

Country Link
FR (1) FR2951547B1 (en)
WO (1) WO2011045547A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014134431A1 (en) * 2013-02-28 2014-09-04 Telemedicine Up Close, Inc. Diagnostic device for evaluating microbial content of a sample
DE102017128488A1 (en) 2017-11-30 2019-06-06 Hamilton Bonaduz Ag A method and cell population sensor for determining a value indicative of the permittivity of a cell population
DE102018117332A1 (en) * 2018-07-18 2020-01-23 Hamilton Bonaduz Ag Device for monitoring a biological process in a liquid medium
US11365386B2 (en) 2019-05-03 2022-06-21 UNIVERSITé LAVAL Cellular behaviour monitoring device and method for monitoring changes in cellular behaviour

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8622748D0 (en) 1986-09-22 1986-10-29 Ici Plc Determination of biomass
GB9121496D0 (en) * 1991-10-10 1991-11-27 Barnes Christopher New methods and a device for measurements on all matter including whole blood
GB9200246D0 (en) * 1992-01-07 1992-02-26 Aber Instr Ltd Method and apparatus for determining biomass
WO2001079828A1 (en) 2000-04-14 2001-10-25 Nanotec Solution Device and method for determining characteristics of a biomass

Also Published As

Publication number Publication date
FR2951547A1 (en) 2011-04-22
WO2011045547A1 (en) 2011-04-21

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Legal Events

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TP Transmission of property

Owner name: HAMILTON BONADUZ AG, CH

Effective date: 20140219

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