AR028639A1 - Metodos ftir de doble haz y dispositivos para usar en la deteccion de analitos en muestras de baja transmisividad - Google Patents

Metodos ftir de doble haz y dispositivos para usar en la deteccion de analitos en muestras de baja transmisividad

Info

Publication number
AR028639A1
AR028639A1 ARP010102540A ARP010102540A AR028639A1 AR 028639 A1 AR028639 A1 AR 028639A1 AR P010102540 A ARP010102540 A AR P010102540A AR P010102540 A ARP010102540 A AR P010102540A AR 028639 A1 AR028639 A1 AR 028639A1
Authority
AR
Argentina
Prior art keywords
sample
devices
methods
detection
analytes
Prior art date
Application number
ARP010102540A
Other languages
English (en)
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 AR028639A1 publication Critical patent/AR028639A1/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)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Optics & Photonics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (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 presentan métodos y dispositivos para determinar la presencia y/o concentracion de por lo menos un analito en una muestra de baja transmisividad. En los métodos de la presente, un haz anterior y un un haz posterior son producidos o introducidos en un interferometro desde por lo menos una fuente de radiacion infrarroja. Se hace pasar el haz anterior a través de la muestra y luego se lo recoge para producir un haz de muestra en tanto que el haz posterior es forzado a atravesar una referencia y luego se lo recoge parar producir un haz de referencia. Los haces de muestra y de referencia se recombinan opticamente para formar un haz nulo o de punto cero, que es detectado en un solo detector, o se anulan electronicamente tras la deteccion en dos detectores separados. La presencia, y con frecuencia la cantidad, de por lo menos un analito en la muestra se puede calcular entonces a partir del haz nulo detectado. También se presentan dispositivos para poner en práctica los métodos expuestos. Los presentes métodos y dispositivos son adecuados para usar en una variedad de aplicaciones diferentes, incluyendo la deteccion de la presencia, y la cantidad, de uno o más analitos sanguíneos en una muestra fisiologica, como ser sangre, tejido o derivados de los mismos.
ARP010102540A 2000-06-01 2001-05-28 Metodos ftir de doble haz y dispositivos para usar en la deteccion de analitos en muestras de baja transmisividad AR028639A1 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
AR028639A1 true AR028639A1 (es) 2003-05-21

Family

ID=24346780

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP010102540A AR028639A1 (es) 2000-06-01 2001-05-28 Metodos ftir de doble haz y dispositivos para usar 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) AU2001263290B2 (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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Also Published As

Publication number Publication date
PL360200A1 (en) 2004-09-06
CN1444726A (zh) 2003-09-24
JP2003535329A (ja) 2003-11-25
MXPA02011937A (es) 2003-04-22
CZ20024195A3 (cs) 2003-10-15
TW541417B (en) 2003-07-11
RU2265827C2 (ru) 2005-12-10
WO2001092857A3 (en) 2002-05-30
KR20030004450A (ko) 2003-01-14
EP1301773A2 (en) 2003-04-16
CN1227521C (zh) 2005-11-16
NO20025702L (no) 2003-01-29
AU2001263290B2 (en) 2006-04-06
WO2001092857A2 (en) 2001-12-06
AU6329001A (en) 2001-12-11
IL153185A0 (en) 2003-06-24
MY133786A (en) 2007-11-30
NO20025702D0 (no) 2002-11-27
CA2410907A1 (en) 2001-12-06
HK1052216A1 (zh) 2003-09-05
US7079252B1 (en) 2006-07-18

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