MXPA02011937A - Metodos y dispositivos de espectrometros infrarrojos por transformadas de fourier de haz doble para utilizarse en la deteccion de analitos en muestras de baja transmisividad. - Google Patents

Metodos y dispositivos de espectrometros infrarrojos por transformadas de fourier de haz doble para utilizarse en la deteccion de analitos en muestras de baja transmisividad.

Info

Publication number
MXPA02011937A
MXPA02011937A MXPA02011937A MXPA02011937A MXPA02011937A MX PA02011937 A MXPA02011937 A MX PA02011937A MX PA02011937 A MXPA02011937 A MX PA02011937A MX PA02011937 A MXPA02011937 A MX PA02011937A MX PA02011937 A MXPA02011937 A MX PA02011937A
Authority
MX
Mexico
Prior art keywords
sample
devices
methods
samples
low transmissivity
Prior art date
Application number
MXPA02011937A
Other languages
English (en)
Inventor
Martin P Debreczeny
Original Assignee
Lifescan 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 Lifescan Inc filed Critical Lifescan Inc
Publication of MXPA02011937A publication Critical patent/MXPA02011937A/es

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Classifications

    • 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
    • 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
    • A61B5/14532—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 glucose, e.g. by tissue impedance measurement
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/45—Interferometric spectrometry
    • G01J3/453—Interferometric spectrometry by correlation of the amplitudes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/45—Interferometric spectrometry
    • G01J3/453—Interferometric spectrometry by correlation of the amplitudes
    • G01J3/4535—Devices with moving mirror
    • 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
    • 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
    • G01N2021/3595—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using FTIR

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Emergency Medicine (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Investigating Or Analysing Biological Materials (AREA)

Abstract

Se proveen metodos y dispositivos para determinar la presencia y/o concentracion de al menos un analito en una muestra de baja transmisividad; en los metodos en cuestion, un haz hacia adelante y un haz hacia atras se producen por medio de o al introducirlos en un interferometro desde al menos una fuente de radiacion infrarroja; el haz hacia adelante se pasa en la muestra y posteriormente se recolecta para producir un haz de muestra mientras que el haz hacia atras se pasa a una referencia y posteriormente se recolecta para proveer un haz de referencia; los haces de muestra y referencia se vuelven a combinar ya sea opticamente en un haz nulo que se detecta en un solo detector o electronicamente anulado despues de la deteccion en dos detectores por separado; la presencia, y con frecuencia la cantidad, de al menos un analito en la muestra entonces se deriva del haz nulo detectado; tambien se proveen dispositivos para practicar los metodos anteriores; los metodos en cuestion y dispositivos son adecuados para uso en una variedad de diferentes aplicaciones, incluyendo la deteccion de la presencia, y cantidad, de uno o mas analitos en la sangre en una muestra fisiologica, tal como sangre, tejido o derivados de los mismos.
MXPA02011937A 2000-06-01 2001-05-17 Metodos y dispositivos de espectrometros infrarrojos por transformadas de fourier de haz doble para utilizarse en la deteccion de analitos en muestras de baja transmisividad. MXPA02011937A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/586,692 US7079252B1 (en) 2000-06-01 2000-06-01 Dual beam FTIR methods and devices for use in analyte detection in samples of low transmissivity
PCT/US2001/016204 WO2001092857A2 (en) 2000-06-01 2001-05-17 Dual beam ftir methods and devices for analyte detection in samples of low transmissivity

Publications (1)

Publication Number Publication Date
MXPA02011937A true MXPA02011937A (es) 2003-04-22

Family

ID=24346780

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA02011937A MXPA02011937A (es) 2000-06-01 2001-05-17 Metodos y dispositivos de espectrometros infrarrojos por transformadas de fourier de haz doble para utilizarse en la deteccion de analitos en muestras de baja transmisividad.

Country Status (18)

Country Link
US (1) US7079252B1 (es)
EP (1) EP1301773A2 (es)
JP (1) JP2003535329A (es)
KR (1) KR20030004450A (es)
CN (1) CN1227521C (es)
AR (1) AR028639A1 (es)
AU (2) AU6329001A (es)
CA (1) CA2410907A1 (es)
CZ (1) CZ20024195A3 (es)
HK (1) HK1052216A1 (es)
IL (1) IL153185A0 (es)
MX (1) MXPA02011937A (es)
MY (1) MY133786A (es)
NO (1) NO20025702L (es)
PL (1) PL360200A1 (es)
RU (1) RU2265827C2 (es)
TW (1) TW541417B (es)
WO (1) WO2001092857A2 (es)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8532751B2 (en) 2008-09-30 2013-09-10 Covidien Lp Laser self-mixing sensors for biological sensing

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Also Published As

Publication number Publication date
MY133786A (en) 2007-11-30
IL153185A0 (en) 2003-06-24
AR028639A1 (es) 2003-05-21
CZ20024195A3 (cs) 2003-10-15
CN1227521C (zh) 2005-11-16
EP1301773A2 (en) 2003-04-16
AU6329001A (en) 2001-12-11
HK1052216A1 (zh) 2003-09-05
KR20030004450A (ko) 2003-01-14
PL360200A1 (en) 2004-09-06
CN1444726A (zh) 2003-09-24
RU2265827C2 (ru) 2005-12-10
WO2001092857A2 (en) 2001-12-06
AU2001263290B2 (en) 2006-04-06
WO2001092857A3 (en) 2002-05-30
TW541417B (en) 2003-07-11
NO20025702L (no) 2003-01-29
US7079252B1 (en) 2006-07-18
CA2410907A1 (en) 2001-12-06
NO20025702D0 (no) 2002-11-27
JP2003535329A (ja) 2003-11-25

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