NL7811372A - Inrichting voor het meten van de ph in weefsels. - Google Patents

Inrichting voor het meten van de ph in weefsels.

Info

Publication number
NL7811372A
NL7811372A NL7811372A NL7811372A NL7811372A NL 7811372 A NL7811372 A NL 7811372A NL 7811372 A NL7811372 A NL 7811372A NL 7811372 A NL7811372 A NL 7811372A NL 7811372 A NL7811372 A NL 7811372A
Authority
NL
Netherlands
Prior art keywords
fabrics
measuring
Prior art date
Application number
NL7811372A
Other languages
English (en)
Dutch (nl)
Original Assignee
Us Government
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 Us Government filed Critical Us Government
Publication of NL7811372A publication Critical patent/NL7811372A/xx

Links

Classifications

    • 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
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
    • G01N21/80—Indicating pH value
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14539—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring pH
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/1459—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters invasive, e.g. introduced into the body by a catheter
    • 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
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/7703—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
    • G01N31/221—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for investigating pH value
NL7811372A 1977-11-28 1978-11-17 Inrichting voor het meten van de ph in weefsels. NL7811372A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/855,384 US4200110A (en) 1977-11-28 1977-11-28 Fiber optic pH probe

Publications (1)

Publication Number Publication Date
NL7811372A true NL7811372A (nl) 1979-05-30

Family

ID=25321113

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7811372A NL7811372A (nl) 1977-11-28 1978-11-17 Inrichting voor het meten van de ph in weefsels.

Country Status (7)

Country Link
US (1) US4200110A (de)
JP (1) JPS5485588A (de)
CA (1) CA1121242A (de)
DE (1) DE2851138A1 (de)
FR (1) FR2409743A1 (de)
GB (1) GB2009394B (de)
NL (1) NL7811372A (de)

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JPS5485588A (en) 1979-07-07
FR2409743B1 (de) 1984-01-06
JPS6159727B2 (de) 1986-12-17
DE2851138C2 (de) 1990-07-05
US4200110A (en) 1980-04-29

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