ES2144358B1 - Dispositivos de ensayo. - Google Patents

Dispositivos de ensayo.

Info

Publication number
ES2144358B1
ES2144358B1 ES009800298A ES9800298A ES2144358B1 ES 2144358 B1 ES2144358 B1 ES 2144358B1 ES 009800298 A ES009800298 A ES 009800298A ES 9800298 A ES9800298 A ES 9800298A ES 2144358 B1 ES2144358 B1 ES 2144358B1
Authority
ES
Spain
Prior art keywords
liquid
flow
flow path
upstream
upstream body
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 - Fee Related
Application number
ES009800298A
Other languages
English (en)
Other versions
ES2144358A1 (es
Inventor
Keith May
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.)
Unilever NV
Original Assignee
Unilever NV
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 Unilever NV filed Critical Unilever NV
Publication of ES2144358A1 publication Critical patent/ES2144358A1/es
Application granted granted Critical
Publication of ES2144358B1 publication Critical patent/ES2144358B1/es
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B01L3/5023—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures with a sample being transported to, and subsequently stored in an absorbent for 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
    • G01N33/50—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
    • G01N33/54386—Analytical elements
    • G01N33/54387—Immunochromatographic test strips
    • G01N33/54388—Immunochromatographic test strips based on lateral flow
    • 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
    • B01L2300/0825—Test strips
    • 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
    • B01L2300/0887—Laminated structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2400/00—Moving or stopping fluids
    • B01L2400/04—Moving fluids with specific forces or mechanical means
    • B01L2400/0403—Moving fluids with specific forces or mechanical means specific forces
    • B01L2400/0406—Moving fluids with specific forces or mechanical means specific forces capillary forces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/25—Chemistry: analytical and immunological testing including sample preparation
    • Y10T436/25375—Liberation or purification of sample or separation of material from a sample [e.g., filtering, centrifuging, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/25—Chemistry: analytical and immunological testing including sample preparation
    • Y10T436/25375—Liberation or purification of sample or separation of material from a sample [e.g., filtering, centrifuging, etc.]
    • Y10T436/255—Liberation or purification of sample or separation of material from a sample [e.g., filtering, centrifuging, etc.] including use of a solid sorbent, semipermeable membrane, or liquid extraction

Landscapes

  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hematology (AREA)
  • Molecular Biology (AREA)
  • Analytical Chemistry (AREA)
  • Urology & Nephrology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Medicinal Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Microbiology (AREA)
  • Biotechnology (AREA)
  • Clinical Laboratory Science (AREA)
  • Food Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Cell Biology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Holo Graphy (AREA)

Abstract

Dispositivos de ensayo. Un dispositivo de ensayo que incorpora una tira de material compuesto que consta de al menos dos cuerpos de un material poroso conductor de flujo que juntos definen parte de una trayectoria de flujo de líquido a través de la cual debe fluir un líquido durante la realización de un análisis, en el que la dimensión lateral de la zona de contacto del cuerpo situado corriente arriba se estrecha de tal manera que el flujo de líquido desde el cuerpo situado corriente arriba al cuerpo situado corriente abajo es Concentrado hacia la línea central de la trayectoria de flujo en el cuerpo situado corriente abajo, reduciendo de esta manera la probabilidad de que el líquido se desvíe de la trayectoria de flujo prevista. El cuerpo situado corriente arriba puede ser una mecha de recogida de muestra.
ES009800298A 1997-02-14 1998-02-13 Dispositivos de ensayo. Expired - Fee Related ES2144358B1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9703094A GB2322192B (en) 1997-02-14 1997-02-14 Assay devices

Publications (2)

Publication Number Publication Date
ES2144358A1 ES2144358A1 (es) 2000-06-01
ES2144358B1 true ES2144358B1 (es) 2000-12-01

Family

ID=10807666

Family Applications (1)

Application Number Title Priority Date Filing Date
ES009800298A Expired - Fee Related ES2144358B1 (es) 1997-02-14 1998-02-13 Dispositivos de ensayo.

Country Status (11)

Country Link
US (1) US6156271A (es)
JP (1) JPH10232189A (es)
AU (1) AU742664B2 (es)
CA (1) CA2229331C (es)
DE (1) DE19806291A1 (es)
ES (1) ES2144358B1 (es)
FR (1) FR2759782B1 (es)
GB (1) GB2322192B (es)
IE (1) IE980070A1 (es)
IT (1) IT1302059B1 (es)
NL (1) NL1008254C2 (es)

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Also Published As

Publication number Publication date
NL1008254A1 (nl) 1998-08-18
CA2229331A1 (en) 1998-08-14
GB9703094D0 (en) 1997-04-02
IE980070A1 (en) 1998-08-26
NL1008254C2 (nl) 1999-03-09
CA2229331C (en) 2008-01-29
FR2759782A1 (fr) 1998-08-21
GB2322192A (en) 1998-08-19
IT1302059B1 (it) 2000-07-20
US6156271A (en) 2000-12-05
FR2759782B1 (fr) 2001-06-22
JPH10232189A (ja) 1998-09-02
ITTO980115A1 (it) 1999-08-13
AU5537798A (en) 1998-08-20
ES2144358A1 (es) 2000-06-01
AU742664B2 (en) 2002-01-10
DE19806291A1 (de) 1998-08-20
GB2322192B (en) 2001-01-31

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