WO2002001184A8 - Fluid mixing on (partially) covered sample slides - Google Patents

Fluid mixing on (partially) covered sample slides

Info

Publication number
WO2002001184A8
WO2002001184A8 PCT/US2001/019954 US0119954W WO0201184A8 WO 2002001184 A8 WO2002001184 A8 WO 2002001184A8 US 0119954 W US0119954 W US 0119954W WO 0201184 A8 WO0201184 A8 WO 0201184A8
Authority
WO
WIPO (PCT)
Prior art keywords
fluid mixing
partially
sample slides
covered sample
reagent
Prior art date
Application number
PCT/US2001/019954
Other languages
French (fr)
Other versions
WO2002001184A1 (en
Inventor
Ronald L Bardell
Bernhard H Weigl
Original Assignee
Micronics 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 Micronics Inc filed Critical Micronics Inc
Publication of WO2002001184A1 publication Critical patent/WO2002001184A1/en
Publication of WO2002001184A8 publication Critical patent/WO2002001184A8/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/433—Mixing tubes wherein the shape of the tube influences the mixing, e.g. mixing tubes with varying cross-section or provided with inwardly extending profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/433—Mixing tubes wherein the shape of the tube influences the mixing, e.g. mixing tubes with varying cross-section or provided with inwardly extending profiles
    • B01F25/4331—Mixers with bended, curved, coiled, wounded mixing tubes or comprising elements for bending the flow
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    • B01F33/3039—Micromixers with mixing achieved by diffusion between layers
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    • B01F33/45—Magnetic mixers; Mixers with magnetically driven stirrers
    • B01F33/451—Magnetic mixers; Mixers with magnetically driven stirrers wherein the mixture is directly exposed to an electromagnetic field without use of a stirrer, e.g. for material comprising ferromagnetic particles or for molten metal
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    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
    • F15C3/00—Circuit elements having moving parts
    • F15C3/06—Circuit elements having moving parts using balls or pill-shaped disks
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    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/0098—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor involving analyte bound to insoluble magnetic carrier, e.g. using magnetic separation
    • 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
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves

Abstract

A device for assisting in fluid mixing within microfluidic sized structures. Chemicals and other biological specimens are exposed to a small volume of reagent, and said reagent is delivered to said specimens by a novel mixing technique, thus shortening overall process time.
PCT/US2001/019954 2000-06-23 2001-06-22 Fluid mixing on (partially) covered sample slides WO2002001184A1 (en)

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US21386500P 2000-06-23 2000-06-23
US60/213,865 2000-06-23

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PCT/US2001/020004 WO2002001081A2 (en) 2000-06-23 2001-06-22 Valve for use in microfluidic structures
PCT/US2001/020185 WO2002001163A2 (en) 2000-06-23 2001-06-25 Feedback control for microfluidic cartridges

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PCT/US2001/020004 WO2002001081A2 (en) 2000-06-23 2001-06-22 Valve for use in microfluidic structures
PCT/US2001/020185 WO2002001163A2 (en) 2000-06-23 2001-06-25 Feedback control for microfluidic cartridges

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WO (3) WO2002001184A1 (en)

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US20030197139A1 (en) 2003-10-23
WO2002001163A2 (en) 2002-01-03
WO2002001163A3 (en) 2002-05-30
US20010054702A1 (en) 2001-12-27
WO2002001081A3 (en) 2002-05-16
WO2002001081A2 (en) 2002-01-03
US6581899B2 (en) 2003-06-24
WO2002001184A1 (en) 2002-01-03
US20020015959A1 (en) 2002-02-07
US20020008032A1 (en) 2002-01-24

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