WO2006081558A3 - Apparatuses and methods for manipulating droplets on a printed circuit board - Google Patents

Apparatuses and methods for manipulating droplets on a printed circuit board Download PDF

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Publication number
WO2006081558A3
WO2006081558A3 PCT/US2006/003230 US2006003230W WO2006081558A3 WO 2006081558 A3 WO2006081558 A3 WO 2006081558A3 US 2006003230 W US2006003230 W US 2006003230W WO 2006081558 A3 WO2006081558 A3 WO 2006081558A3
Authority
WO
WIPO (PCT)
Prior art keywords
circuit board
printed circuit
apparatuses
methods
manipulating droplets
Prior art date
Application number
PCT/US2006/003230
Other languages
French (fr)
Other versions
WO2006081558A2 (en
Inventor
Vamsee K Pamula
Michael G Pollack
Richard B Fair
Original Assignee
Univ Duke
Vamsee K Pamula
Michael G Pollack
Richard B Fair
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
Priority to DK06734056.2T priority Critical patent/DK1859330T3/en
Application filed by Univ Duke, Vamsee K Pamula, Michael G Pollack, Richard B Fair filed Critical Univ Duke
Priority to ES06734056T priority patent/ES2390800T3/en
Priority to AU2006207933A priority patent/AU2006207933B2/en
Priority to KR1020077019597A priority patent/KR101198038B1/en
Priority to CN2006800032222A priority patent/CN101146595B/en
Priority to CA2594483A priority patent/CA2594483C/en
Priority to PL06734056T priority patent/PL1859330T3/en
Priority to JP2007553327A priority patent/JP5897780B2/en
Priority to BRPI0607213A priority patent/BRPI0607213B1/en
Priority to EP06734056A priority patent/EP1859330B1/en
Publication of WO2006081558A2 publication Critical patent/WO2006081558A2/en
Publication of WO2006081558A3 publication Critical patent/WO2006081558A3/en
Priority to HK08105185.6A priority patent/HK1110826A1/en

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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
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/447—Systems using electrophoresis
    • G01N27/44756—Apparatus specially adapted therefor
    • G01N27/44769—Continuous electrophoresis, i.e. the sample being continuously introduced, e.g. free flow electrophoresis [FFE]
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D19/00—Control of mechanical oscillations, e.g. of amplitude, of frequency, of phase
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/30—Micromixers
    • B01F33/302—Micromixers the materials to be mixed flowing in the form of droplets
    • B01F33/3021—Micromixers the materials to be mixed flowing in the form of droplets the components to be mixed being combined in a single independent droplet, e.g. these droplets being divided by a non-miscible fluid or consisting of independent droplets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/30—Micromixers
    • B01F33/3031—Micromixers using electro-hydrodynamic [EHD] or electro-kinetic [EKI] phenomena to mix or move the fluids
    • 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
    • B01L3/502707—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 the manufacture of the container or its components
    • 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
    • B01L3/502769—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 multiphase flow arrangements
    • B01L3/502784—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 multiphase flow arrangements specially adapted for droplet or plug flow, e.g. digital microfluidics
    • B01L3/502792—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 multiphase flow arrangements specially adapted for droplet or plug flow, e.g. digital microfluidics for moving individual droplets on a plate, e.g. by locally altering surface tension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L7/00—Heating or cooling apparatus; Heat insulating devices
    • B01L7/52—Heating or cooling apparatus; Heat insulating devices with provision for submitting samples to a predetermined sequence of different temperatures, e.g. for treating nucleic acid samples
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICROSTRUCTURAL TECHNOLOGY
    • B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
    • B81B3/00—Devices comprising flexible or deformable elements, e.g. comprising elastic tongues or membranes
    • B81B3/0018—Structures acting upon the moving or flexible element for transforming energy into mechanical movement or vice versa, i.e. actuators, sensors, generators
    • B81B3/0021—Transducers for transforming electrical into mechanical energy or vice versa
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICROSTRUCTURAL TECHNOLOGY
    • B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
    • B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
    • B81C1/00015—Manufacture or treatment of devices or systems in or on a substrate for manufacturing microsystems
    • B81C1/00023—Manufacture or treatment of devices or systems in or on a substrate for manufacturing microsystems without movable or flexible elements
    • B81C1/00119—Arrangement of basic structures like cavities or channels, e.g. suitable for microfluidic systems
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
    • C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/68—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
    • C12Q1/6844—Nucleic acid amplification reactions
    • C12Q1/6846—Common amplification features
    • 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
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/447—Systems using electrophoresis
    • 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
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/447—Systems using electrophoresis
    • G01N27/44756—Apparatus specially adapted therefor
    • G01N27/44791—Microapparatus
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/06—Control of flow characterised by the use of electric means
    • G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
    • G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
    • G05D7/0694—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means or flow sources of very small size, e.g. microfluidics
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/67005—Apparatus not specifically provided for elsewhere
    • H01L21/67011—Apparatus for manufacture or treatment
    • H01L21/6715—Apparatus for applying a liquid, a resin, an ink or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
    • B01L2200/06—Fluid handling related problems
    • B01L2200/0673—Handling of plugs of fluid surrounded by immiscible fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
    • B01L2200/10—Integrating sample preparation and analysis in single entity, e.g. lab-on-a-chip concept
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
    • B01L2200/12—Specific details about manufacturing devices
    • 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
    • B01L2300/06—Auxiliary integrated devices, integrated components
    • B01L2300/0627—Sensor or part of a sensor is integrated
    • B01L2300/0645—Electrodes
    • 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
    • B01L2300/06—Auxiliary integrated devices, integrated components
    • B01L2300/0627—Sensor or part of a sensor is integrated
    • B01L2300/0663—Whole sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
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    • B01L2300/0809—Geometry, shape and general structure rectangular shaped
    • B01L2300/0819—Microarrays; Biochips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01L2300/00—Additional constructional details
    • B01L2300/08—Geometry, shape and general structure
    • B01L2300/0861—Configuration of multiple channels and/or chambers in a single devices
    • B01L2300/0864—Configuration of multiple channels and/or chambers in a single devices comprising only one inlet and multiple receiving wells, e.g. for separation, splitting
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01L2300/08—Geometry, shape and general structure
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    • B01L2300/0867—Multiple inlets and one sample wells, e.g. mixing, dilution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • 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
    • B01L2300/00—Additional constructional details
    • B01L2300/08—Geometry, shape and general structure
    • B01L2300/089—Virtual walls for guiding liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • 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
    • B01L2300/18—Means for temperature control
    • B01L2300/1805—Conductive heating, heat from thermostatted solids is conducted to receptacles, e.g. heating plates, blocks
    • B01L2300/1827—Conductive heating, heat from thermostatted solids is conducted to receptacles, e.g. heating plates, blocks using resistive heater
    • 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
    • B01L2400/0415—Moving fluids with specific forces or mechanical means specific forces electrical forces, e.g. electrokinetic
    • 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
    • B01L2400/0415—Moving fluids with specific forces or mechanical means specific forces electrical forces, e.g. electrokinetic
    • B01L2400/0424—Dielectrophoretic forces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICROSTRUCTURAL TECHNOLOGY
    • B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
    • B81B2201/00—Specific applications of microelectromechanical systems
    • B81B2201/05—Microfluidics
    • B81B2201/058—Microfluidics not provided for in B81B2201/051 - B81B2201/054
    • 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
    • Y10T436/2575—Volumetric liquid transfer

Abstract

Apparatuses and methods for manipulating droplets on a printed circuit board (PCB) are disclosed. Droplets are actuated upon a printed circuit board substrate surface by the application of electrical potentials to electrodes defined on the PCB. The use of soldermask as an electrode insulator for droplet manipulation as well techniques for adapting other traditional PCB layers and materials for droplet-based microfluidics are also disclosed.
PCT/US2006/003230 2005-01-28 2006-01-30 Apparatuses and methods for manipulating droplets on a printed circuit board WO2006081558A2 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
CA2594483A CA2594483C (en) 2005-01-28 2006-01-30 Apparatuses and methods for manipulating droplets on a printed circuit board
ES06734056T ES2390800T3 (en) 2005-01-28 2006-01-30 Apparatus and methods for handling droplets on a printed circuit board
AU2006207933A AU2006207933B2 (en) 2005-01-28 2006-01-30 Apparatuses and methods for manipulating droplets on a printed circuit board
KR1020077019597A KR101198038B1 (en) 2005-01-28 2006-01-30 Apparatuses and methods for manipulating droplets on a printed circuit board
CN2006800032222A CN101146595B (en) 2005-01-28 2006-01-30 Apparatuses and methods for manipulating droplets on a printed circuit board
DK06734056.2T DK1859330T3 (en) 2005-01-28 2006-01-30 DEVICES AND METHODS OF HANDLING SMALL DROPS ON A PRINTED CIRCUIT CARD
PL06734056T PL1859330T3 (en) 2005-01-28 2006-01-30 Apparatuses and methods for manipulating droplets on a printed circuit board
EP06734056A EP1859330B1 (en) 2005-01-28 2006-01-30 Apparatuses and methods for manipulating droplets on a printed circuit board
BRPI0607213A BRPI0607213B1 (en) 2005-01-28 2006-01-30 droplet handling apparatus on a printed circuit board
JP2007553327A JP5897780B2 (en) 2005-01-28 2006-01-30 Apparatus and method for operating droplets on a printed circuit board
HK08105185.6A HK1110826A1 (en) 2005-01-28 2008-05-08 Apparatuses and methods for manipulating droplets on a printed circuit board

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US64805105P 2005-01-28 2005-01-28
US60/648,051 2005-01-28

Publications (2)

Publication Number Publication Date
WO2006081558A2 WO2006081558A2 (en) 2006-08-03
WO2006081558A3 true WO2006081558A3 (en) 2007-10-25

Family

ID=36741149

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/003230 WO2006081558A2 (en) 2005-01-28 2006-01-30 Apparatuses and methods for manipulating droplets on a printed circuit board

Country Status (13)

Country Link
US (6) US8349276B2 (en)
EP (1) EP1859330B1 (en)
JP (2) JP5897780B2 (en)
KR (1) KR101198038B1 (en)
CN (1) CN101146595B (en)
AU (1) AU2006207933B2 (en)
BR (1) BRPI0607213B1 (en)
CA (1) CA2594483C (en)
DK (1) DK1859330T3 (en)
ES (1) ES2390800T3 (en)
HK (1) HK1110826A1 (en)
PL (1) PL1859330T3 (en)
WO (1) WO2006081558A2 (en)

Cited By (29)

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US8637324B2 (en) 2006-04-18 2014-01-28 Advanced Liquid Logic, Inc. Bead incubation and washing on a droplet actuator
US8658111B2 (en) 2006-04-18 2014-02-25 Advanced Liquid Logic, Inc. Droplet actuators, modified fluids and methods
US8685344B2 (en) 2007-01-22 2014-04-01 Advanced Liquid Logic, Inc. Surface assisted fluid loading and droplet dispensing
US8702938B2 (en) 2007-09-04 2014-04-22 Advanced Liquid Logic, Inc. Droplet actuator with improved top substrate
US8716015B2 (en) 2006-04-18 2014-05-06 Advanced Liquid Logic, Inc. Manipulation of cells on a droplet actuator
US8809068B2 (en) 2006-04-18 2014-08-19 Advanced Liquid Logic, Inc. Manipulation of beads in droplets and methods for manipulating droplets
US8828655B2 (en) 2007-03-22 2014-09-09 Advanced Liquid Logic, Inc. Method of conducting a droplet based enzymatic assay
US8852952B2 (en) 2008-05-03 2014-10-07 Advanced Liquid Logic, Inc. Method of loading a droplet actuator
US8872527B2 (en) 2007-02-15 2014-10-28 Advanced Liquid Logic, Inc. Capacitance detection in a droplet actuator
US8877512B2 (en) 2009-01-23 2014-11-04 Advanced Liquid Logic, Inc. Bubble formation techniques using physical or chemical features to retain a gas bubble within a droplet actuator
US8883513B2 (en) 2006-04-18 2014-11-11 Advanced Liquid Logic, Inc. Droplet-based particle sorting
US8901043B2 (en) 2011-07-06 2014-12-02 Advanced Liquid Logic, Inc. Systems for and methods of hybrid pyrosequencing
US8906627B2 (en) 2002-09-24 2014-12-09 Duke University Apparatuses and methods for manipulating droplets
US8927296B2 (en) 2006-04-18 2015-01-06 Advanced Liquid Logic, Inc. Method of reducing liquid volume surrounding beads
US8926065B2 (en) 2009-08-14 2015-01-06 Advanced Liquid Logic, Inc. Droplet actuator devices and methods
US8951732B2 (en) 2007-06-22 2015-02-10 Advanced Liquid Logic, Inc. Droplet-based nucleic acid amplification in a temperature gradient
US8951721B2 (en) 2006-04-18 2015-02-10 Advanced Liquid Logic, Inc. Droplet-based surface modification and washing
US9012165B2 (en) 2007-03-22 2015-04-21 Advanced Liquid Logic, Inc. Assay for B-galactosidase activity
US9011662B2 (en) 2010-06-30 2015-04-21 Advanced Liquid Logic, Inc. Droplet actuator assemblies and methods of making same
US9139865B2 (en) 2006-04-18 2015-09-22 Advanced Liquid Logic, Inc. Droplet-based nucleic acid amplification method and apparatus
US9188615B2 (en) 2011-05-09 2015-11-17 Advanced Liquid Logic, Inc. Microfluidic feedback using impedance detection
US9205433B2 (en) 2006-04-13 2015-12-08 Advanced Liquid Logic, Inc. Bead manipulation techniques
US9216415B2 (en) 2005-05-11 2015-12-22 Advanced Liquid Logic Methods of dispensing and withdrawing liquid in an electrowetting device
US9223317B2 (en) 2012-06-14 2015-12-29 Advanced Liquid Logic, Inc. Droplet actuators that include molecular barrier coatings
US9238222B2 (en) 2012-06-27 2016-01-19 Advanced Liquid Logic, Inc. Techniques and droplet actuator designs for reducing bubble formation
US9248450B2 (en) 2010-03-30 2016-02-02 Advanced Liquid Logic, Inc. Droplet operations platform
US9446404B2 (en) 2011-07-25 2016-09-20 Advanced Liquid Logic, Inc. Droplet actuator apparatus and system
US9476856B2 (en) 2006-04-13 2016-10-25 Advanced Liquid Logic, Inc. Droplet-based affinity assays
US9513253B2 (en) 2011-07-11 2016-12-06 Advanced Liquid Logic, Inc. Droplet actuators and techniques for droplet-based enzymatic assays

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US9638662B2 (en) 2017-05-02

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