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AR076201A1 - Dispositivo y procedimiento para la deteccion y el analisis cuantitativo de analitos, particularmente de micotoxinas - Google Patents

Dispositivo y procedimiento para la deteccion y el analisis cuantitativo de analitos, particularmente de micotoxinas

Info

Publication number
AR076201A1
AR076201A1 ARP100101131A ARP100101131A AR076201A1 AR 076201 A1 AR076201 A1 AR 076201A1 AR P100101131 A ARP100101131 A AR P100101131A AR P100101131 A ARP100101131 A AR P100101131A AR 076201 A1 AR076201 A1 AR 076201A1
Authority
AR
Argentina
Prior art keywords
immunoassay
analytes
sample liquid
probes
series
Prior art date
Application number
ARP100101131A
Other languages
English (en)
Inventor
Ingmar Dorn
Ulrich Raczek
Viktoria Bazilyanska
Jens Burmeister
Original Assignee
Bayer Cropscience Ag
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 Bayer Cropscience Ag filed Critical Bayer Cropscience Ag
Publication of AR076201A1 publication Critical patent/AR076201A1/es

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    • 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
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/5302—Apparatus specially adapted for immunological test procedures
    • G01N33/5304—Reaction vessels, e.g. agglutination plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
    • B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
    • B01L3/502715—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by interfacing components, e.g. fluidic, electrical, optical or mechanical interfaces
    • 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
    • G—PHYSICS
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    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
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    • G—PHYSICS
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    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
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    • G01N21/64—Fluorescence; Phosphorescence
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    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
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    • 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
    • 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
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/5308—Immunoassay; Biospecific binding assay; Materials therefor for analytes not provided for elsewhere, e.g. nucleic acids, uric acid, worms, mites
    • 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
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    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
    • 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
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
    • G01N33/54366—Apparatus specially adapted for solid-phase testing
    • 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
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
    • G01N33/54366—Apparatus specially adapted for solid-phase testing
    • G01N33/54373—Apparatus specially adapted for solid-phase testing involving physiochemical end-point determination, e.g. wave-guides, FETS, gratings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/08—Geometry, shape and general structure
    • B01L2300/0809—Geometry, shape and general structure rectangular shaped
    • B01L2300/0819—Microarrays; Biochips
    • 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N2021/0325—Cells for testing reactions, e.g. containing reagents
    • G01N2021/0328—Arrangement of two or more cells having different functions for the measurement of reactions
    • 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N2021/0346—Capillary cells; Microcells
    • 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
    • G01N2021/7769—Measurement method of reaction-produced change in sensor
    • G01N2021/7786—Fluorescence
    • G—PHYSICS
    • G01—MEASURING; TESTING
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    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N21/0332—Cuvette constructions with temperature control
    • 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N21/05—Flow-through cuvettes
    • 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
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • G01N21/274—Calibration, base line adjustment, drift correction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2333/00—Assays involving biological materials from specific organisms or of a specific nature
    • G01N2333/37—Assays involving biological materials from specific organisms or of a specific nature from fungi
    • 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
    • G01N33/02—Food
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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    • G01N33/02—Food
    • G01N33/10—Starch-containing substances, e.g. dough

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Hematology (AREA)
  • Molecular Biology (AREA)
  • Urology & Nephrology (AREA)
  • Biomedical Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biotechnology (AREA)
  • Cell Biology (AREA)
  • Medicinal Chemistry (AREA)
  • Microbiology (AREA)
  • Food Science & Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Plasma & Fusion (AREA)
  • Clinical Laboratory Science (AREA)
  • Dispersion Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)

Abstract

Reivindicacion 1: Cartucho para la deteccion y el análisis cuantitativo de analitos en un líquido de muestra, que incluye un cuerpo estructurado en el que están incorporadas cavidades que están unidas entre sí mediante canales, presentando el cartucho al menos una entrada para la introduccion de líquido de muestra que contiene analitos, al menos una cámara de reactivos y al menos una cámara de deteccion, en el que: a) en la cámara de reactivos, están colocadas una o varias sondas de analitos marcadas para reaccion con los analitos del líquido de muestra y una o varias sondas de referenciacion marcadas para reaccion con un antígeno de referenciacion en forma secada; b) el suelo de la cámara de deteccion es una guía de ondas de capa fina que comprende una primera capa opticamente transparente (a) sobre una segunda capa opticamente transparente (b) que presenta un índice de refraccion menor que la capa (a), estando incorporada en la capa (a) o (b) una rejilla de difraccion que está orientada perpendicularmente al recorrido de una luz de excitacion, que mediante la rejilla de difraccion se acopla en la guía de ondas de capa fina; c) sobre la superficie de la guía de ondas de capa fina están aplicados un inmunoensayo en forma de una coleccion de sustancias de asociados de union de analitos inmovilizados y/o de sondas de analitos en series de intervalos de medida separados espacialmente y un ensayo de control independiente que incluye el antígeno de referenciacion inmovilizado en series de intervalos de medida separados espacialmente; y d) las series respectivas están orientadas paralelamente a la rejilla de difraccion y se encuentra una serie de ensayo de control en la direccion de la luz de excitacion, por encima y por debajo de cada serie del inmunoensayo. Reivindicacion 8: Procedimiento para el análisis cuantitativo de analitos que comprende las siguientes etapas: a) extraccion opcional de analitos de una matriz en un líquido de muestra, b) práctica del ensayo en el cartucho segun una de las reivindicaciones 1 a 7, en el que después de la introduccion del líquido de muestra en el cartucho, se transporta el líquido de muestra a la cámara de reactivos y se mezcla o hace reaccionar con las sondas marcadas allí aplicadas, después c) transporte del líquido de muestra a la cámara de deteccion y reaccion de los analitos y/o de las sondas marcadas con el inmunoensayo y el ensayo de control, seguido de d) iluminacion de la guía de ondas de capa fina para la excitacion de las sondas marcadas del inmunoensayo y el ensayo de control para fluorescencia y toma de una imagen de fluorescencia, después e) cálculo de las intensidades de fluorescencia referenciadas del inmunoensayo mediante el ensayo de control, calculándose la intensidad de fluorescencia referenciada de cada intervalo de medida del inmunoensayo mediante la division de la intensidad de fluorescencia del intervalo de medida del inmunoensayo entre el valor medio de las intensidades de fluorescencia del intervalo de medida del ensayo de control adyacente en la direccion de la luz de excitacion, y f) cálculo e indicacion de los valores de analito mediante referencia a una curva de calibracion. Reivindicacion 11: Uso de los cartuchos segun una de las reivindicaciones 1 a 7 y del procedimiento segun una de las reivindicaciones 8 a 10 para la deteccion y el análisis cuantitativo de micotoxinas.
ARP100101131A 2009-04-09 2010-04-05 Dispositivo y procedimiento para la deteccion y el analisis cuantitativo de analitos, particularmente de micotoxinas AR076201A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09157714 2009-04-09

Publications (1)

Publication Number Publication Date
AR076201A1 true AR076201A1 (es) 2011-05-26

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ARP100101131A AR076201A1 (es) 2009-04-09 2010-04-05 Dispositivo y procedimiento para la deteccion y el analisis cuantitativo de analitos, particularmente de micotoxinas

Country Status (18)

Country Link
US (1) US20130203613A1 (es)
EP (1) EP2417436A1 (es)
JP (1) JP2012523549A (es)
KR (1) KR20120014122A (es)
CN (1) CN102460127A (es)
AP (1) AP2011005905A0 (es)
AR (1) AR076201A1 (es)
AU (1) AU2010234063A1 (es)
BR (1) BRPI1015212A2 (es)
CA (1) CA2758065A1 (es)
CL (1) CL2011002509A1 (es)
CO (1) CO6440576A2 (es)
CR (1) CR20110530A (es)
EA (1) EA201171178A1 (es)
EC (1) ECSP11011376A (es)
MX (1) MX2011010586A (es)
WO (1) WO2010115530A1 (es)
ZA (1) ZA201107242B (es)

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AP2011005905A0 (en) 2011-10-31
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EA201171178A1 (ru) 2012-05-30
CO6440576A2 (es) 2012-05-15
CA2758065A1 (en) 2010-10-14
CN102460127A (zh) 2012-05-16
AU2010234063A1 (en) 2011-11-03
MX2011010586A (es) 2011-10-19
ZA201107242B (en) 2012-12-27
CL2011002509A1 (es) 2012-04-20
KR20120014122A (ko) 2012-02-16
ECSP11011376A (es) 2011-11-30
JP2012523549A (ja) 2012-10-04
EP2417436A1 (de) 2012-02-15
BRPI1015212A2 (pt) 2016-05-03

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