GB2049182B - Method and apparatus for sensing respiration - Google Patents

Method and apparatus for sensing respiration

Info

Publication number
GB2049182B
GB2049182B GB8012439A GB8012439A GB2049182B GB 2049182 B GB2049182 B GB 2049182B GB 8012439 A GB8012439 A GB 8012439A GB 8012439 A GB8012439 A GB 8012439A GB 2049182 B GB2049182 B GB 2049182B
Authority
GB
United Kingdom
Prior art keywords
sensing respiration
respiration
sensing
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
GB8012439A
Other versions
GB2049182A (en
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.)
National Research Development Corp UK
National Research Development Corp of India
Original Assignee
National Research Development Corp UK
National Research Development Corp of India
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 National Research Development Corp UK, National Research Development Corp of India filed Critical National Research Development Corp UK
Priority to GB8012439A priority Critical patent/GB2049182B/en
Publication of GB2049182A publication Critical patent/GB2049182A/en
Application granted granted Critical
Publication of GB2049182B publication Critical patent/GB2049182B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01N33/497—Physical analysis of biological material of gaseous biological material, e.g. breath
    • 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
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
    • 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
    • G01N33/497—Physical analysis of biological material of gaseous biological material, e.g. breath
    • G01N33/4977—Metabolic gas from microbes, cell cultures or plant tissues

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Molecular Biology (AREA)
  • Biomedical Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Biophysics (AREA)
  • Hematology (AREA)
  • Urology & Nephrology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
GB8012439A 1979-04-20 1980-04-15 Method and apparatus for sensing respiration Expired GB2049182B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8012439A GB2049182B (en) 1979-04-20 1980-04-15 Method and apparatus for sensing respiration

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7913929 1979-04-20
GB8012439A GB2049182B (en) 1979-04-20 1980-04-15 Method and apparatus for sensing respiration

Publications (2)

Publication Number Publication Date
GB2049182A GB2049182A (en) 1980-12-17
GB2049182B true GB2049182B (en) 1983-03-16

Family

ID=26271292

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8012439A Expired GB2049182B (en) 1979-04-20 1980-04-15 Method and apparatus for sensing respiration

Country Status (1)

Country Link
GB (1) GB2049182B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3209013A1 (en) * 1982-03-12 1983-10-20 Beckenkamp, Hermann, Prof.Dr., 6601 Schafbrücke Method and device for determining and monitoring the effects of pollutant combinations in the air
DE3530669A1 (en) * 1985-08-28 1986-01-16 Heinz Walz Meß- und Regeltechnik, 8521 Effeltrich Method and device for recording gas exchange processes in intact plants
US4947339A (en) * 1988-12-01 1990-08-07 Jan Czekajewski Method and apparatus for measuring respiration, oxidation and similar interacting between a sample and a selected component of a fluid medium
CN100386626C (en) * 2003-07-29 2008-05-07 中国科学院沈阳应用生态研究所 Method for measuring tree stem respiratory
CN101241117B (en) * 2008-03-12 2011-05-18 福建师范大学 Air cell for determining trunk respiration
US8692202B2 (en) * 2010-09-23 2014-04-08 Li-Cor, Inc. Gas exchange system flow configuration with thermally insulated sample chamber
US20120181432A1 (en) * 2011-01-13 2012-07-19 Li-Cor, Inc. Off-set compensation technique for dual analyzer gas exchange systems

Also Published As

Publication number Publication date
GB2049182A (en) 1980-12-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee