WO2010028140A3 - Use of longitudinally displaced nanoscale electrodes for voltage sensing of biomolecules and other analytes in fluidic channels - Google Patents

Use of longitudinally displaced nanoscale electrodes for voltage sensing of biomolecules and other analytes in fluidic channels Download PDF

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Publication number
WO2010028140A3
WO2010028140A3 PCT/US2009/055876 US2009055876W WO2010028140A3 WO 2010028140 A3 WO2010028140 A3 WO 2010028140A3 US 2009055876 W US2009055876 W US 2009055876W WO 2010028140 A3 WO2010028140 A3 WO 2010028140A3
Authority
WO
WIPO (PCT)
Prior art keywords
fluidic channel
analyte
pair
sensing
electrodes
Prior art date
Application number
PCT/US2009/055876
Other languages
French (fr)
Other versions
WO2010028140A2 (en
Inventor
Xinsheng Ling
Barrett Bready
John S. Oliver
Maryam Jouzi
Leo Petrossian
Original Assignee
Nabsys, 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 Nabsys, Inc. filed Critical Nabsys, Inc.
Priority to JP2011525300A priority Critical patent/JP5717634B2/en
Priority to EP09807476.8A priority patent/EP2342362B1/en
Priority to CN200980140663.0A priority patent/CN102186989B/en
Publication of WO2010028140A2 publication Critical patent/WO2010028140A2/en
Publication of WO2010028140A3 publication Critical patent/WO2010028140A3/en

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Classifications

    • 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
    • G01N33/483—Physical analysis of biological material
    • G01N33/487—Physical analysis of biological material of liquid biological material
    • G01N33/48707—Physical analysis of biological material of liquid biological material by electrical means
    • G01N33/48721—Investigating individual macromolecules, e.g. by translocation through nanopores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y15/00—Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
    • 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
    • B01L3/502761—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 specially adapted for handling suspended solids or molecules independently from the bulk fluid flow, e.g. for trapping or sorting beads, for physically stretching molecules
    • 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
    • G01N27/28—Electrolytic cell components
    • G01N27/30—Electrodes, e.g. test electrodes; Half-cells
    • G01N27/327—Biochemical electrodes, e.g. electrical or mechanical details for in vitro measurements
    • G01N27/3275—Sensing specific biomolecules, e.g. nucleic acid strands, based on an electrode surface reaction
    • G01N27/3278—Sensing specific biomolecules, e.g. nucleic acid strands, based on an electrode surface reaction involving nanosized elements, e.g. nanogaps or nanoparticles
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00—Nanotechnology
    • Y10S977/902—Specified use of nanostructure
    • Y10S977/932—Specified use of nanostructure for electronic or optoelectronic application
    • Y10S977/953—Detector using nanostructure
    • Y10S977/957—Of chemical property or presence

Abstract

Devices and methods for detecting an analyte are provided. Devices (100) for voltage sensing of analytes may comprise a fluidic channel (105) defined in a substrate, a pair of sensing electrodes (115A, 115B) disposed in a fluidic channel for sensing voltage therein, and a pair of electromotive electrodes (110, 110') for applying potential along the fluidic channel. The pair of sensing electrodes may include a first and second sensing electrode disposed at two discrete locations along the length of the fluidic channel and the pair of electromotive electrodes may be disposed at a first end and a second end of the fluidic channel. The fluidic channel may include a nanochannel or a microchannel. Methods for detecting an analyte may include the steps of disposing the analyte in a fluidic channel; applying a potential along the fluidic channel to generate an electrophoretic force therein such that the analyte is translocated from a first end of the fluidic channel to a second end of the fluidic channel; and measuring a voltage signal between a pair of sensing electrodes disposed in the fluidic channel as the analyte moves past the sensing electrodes.
PCT/US2009/055876 2008-09-03 2009-09-03 Use of longitudinally displaced nanoscale electrodes for voltage sensing of biomolecules and other analytes in fluidic channels WO2010028140A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2011525300A JP5717634B2 (en) 2008-09-03 2009-09-03 Use of longitudinally displaced nanoscale electrodes for voltage sensing of biomolecules and other analytes in fluid channels
EP09807476.8A EP2342362B1 (en) 2008-09-03 2009-09-03 Use of longitudinally displaced nanoscale electrodes for voltage sensing of biomolecules and other analytes in fluidic channels
CN200980140663.0A CN102186989B (en) 2008-09-03 2009-09-03 Use of longitudinally displaced nanoscale electrodes for voltage sensing of biomolecules and other analytes in fluidic channels

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9388508P 2008-09-03 2008-09-03
US61/093,885 2008-09-03

Publications (2)

Publication Number Publication Date
WO2010028140A2 WO2010028140A2 (en) 2010-03-11
WO2010028140A3 true WO2010028140A3 (en) 2010-08-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2009/055876 WO2010028140A2 (en) 2008-09-03 2009-09-03 Use of longitudinally displaced nanoscale electrodes for voltage sensing of biomolecules and other analytes in fluidic channels

Country Status (5)

Country Link
US (1) US8882980B2 (en)
EP (1) EP2342362B1 (en)
JP (2) JP5717634B2 (en)
CN (1) CN102186989B (en)
WO (1) WO2010028140A2 (en)

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