WO2006129464A1 - 同一電位の電極を備える相互作用検出部と該検出部を用いるセンサーチップ、並びに相互作用検出装置 - Google Patents
同一電位の電極を備える相互作用検出部と該検出部を用いるセンサーチップ、並びに相互作用検出装置 Download PDFInfo
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- WO2006129464A1 WO2006129464A1 PCT/JP2006/309571 JP2006309571W WO2006129464A1 WO 2006129464 A1 WO2006129464 A1 WO 2006129464A1 JP 2006309571 W JP2006309571 W JP 2006309571W WO 2006129464 A1 WO2006129464 A1 WO 2006129464A1
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- interaction
- electric field
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- reaction region
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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
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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
- G01N33/543—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
- G01N33/5438—Electrodes
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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
- 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
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- 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
- C12Q1/6813—Hybridisation assays
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- 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
- C12Q1/6813—Hybridisation assays
- C12Q1/6834—Enzymatic or biochemical coupling of nucleic acids to a solid phase
- C12Q1/6837—Enzymatic or biochemical coupling of nucleic acids to a solid phase using probe arrays or probe chips
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- 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
- G01N21/78—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 producing a change of colour
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- 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
- G01N27/44704—Details; Accessories
- G01N27/44717—Arrangements for investigating the separated zones, e.g. localising zones
- G01N27/4473—Arrangements for investigating the separated zones, e.g. localising zones by electric means
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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
Definitions
- Interaction detection unit having electrodes of the same potential, sensor chip using the detection unit, and interaction detection device
- the present invention relates to a technique for detecting an interaction between substances. More specifically, the present invention relates to a technique for detecting an interaction between substances using an electrodynamic action.
- DNA chips in which predetermined DNA is finely arranged by microarray technology, have been used for gene mutation analysis, SNPs (-nucleotide polymorphism) analysis, gene expression frequency analysis, etc., and widely used in fields such as drug discovery, clinical diagnosis, pharmacogenomics, evolutionary research, forensic medicine and other fields First time.
- SNPs nucleotide polymorphism
- This "DNA chip” is a comprehensive coverage of hybridization because many and many nucleotides such as DNA oligos and cDNA (complementary DNA) are integrated on a glass substrate or silicon substrate. It is characterized by the fact that it can be analyzed. In addition, various sensor chips (for example, protein chips) and detection devices for detecting interactions between biomolecules other than nucleic acid molecules have been developed.
- Japanese Patent Application Laid-Open No. 2001-330608 discloses that a nucleic acid probe chain immobilized on a saddle type substrate is used to synthesize a nucleic acid probe chain along the saddle type chain, and the synthesized prosthesis.
- a technique for manufacturing a nucleic acid chain-fixing cage array simply and at a low cost by fixing a groove on another array substrate using an electric field is disclosed.
- Japanese Patent Application Laid-Open No. 2001-242135 is composed of a body part and a frame that are detachable from each other, and a large number of pin electrodes project in a matrix shape inside the body part, and different gene Immobilize the oligonucleotide with the alignment power and do not contact this pin electrode.
- a common electrode is arranged in the hollow of the frame, a voltage is applied between the common electrode and the pin electrode, and the current is detected to detect the double-stranded DNA obtained by hybridization of the oligonucleotide. Techniques to do this are disclosed.
- Japanese Patent Application Laid-Open No. 2004-135512 discloses a reaction that serves as a hybridization field between a detection nucleotide chain and a target nucleotide chain having a base sequence complementary to the detection nucleotide chain.
- a hybridization detection unit in which a region can be fixed to an end of a scanning electrode by the action of dielectrophoresis while extending the detection nucleotide chain by an electric field.
- the main object of the present invention is to provide an interaction detection unit or the like having a reaction region in which an electrodynamic effect is obtained in the entire reaction region and having a simpler structure.
- the present invention first includes an interaction detection unit comprising at least a reaction region that provides a field of interaction between substances, and an electrode or a group of electrodes that are provided in the reaction region and have the same potential.
- a sensor chip having at least one interaction detection unit is also provided.
- the electric field applied to the electrode or electrode group obtains a desired electrodynamic effect such as dielectrophoresis by adopting an alternating electric field, for example.
- a non-uniform electric field can be formed particularly in the vicinity of the stepped portion of the concavo-convex shape. In the region where the non-uniform electric field is formed, the action of dielectrophoresis can be obtained effectively.
- the interaction that proceeds in the reaction region is not limited to a narrow range.
- the action of dielectrophoresis is considered to give a better effect on the efficiency and accuracy of the interaction. There can be mentioned.
- a reaction region that provides a field of interaction between substances, an electrode or a group of electrodes that are disposed adjacent to the reaction region, and an electric field applying unit for the electrode or the electrode group And at least an interaction detecting device.
- the electric field applying means constituting the apparatus for example, means for applying an alternating electric field between an electrode or a group of electrodes and a ground portion can be adopted. In this means, it is also possible to apply a high-frequency electric field via an impedance matching circuit.
- an electrodynamic action such as dielectric swimming is applied to the substance existing in the reaction region by applying an electric field.
- Interaction broadly means a chemical bond or dissociation including non-covalent bond, covalent bond, hydrogen bond between substances, for example, hybridization between nucleic acid molecules, between proteins Widely includes chemical bonds or dissociation between substances such as interactions and antigen-antibody reactions.
- “Hybridization” means a complementary strand (double strand) forming reaction between substances having a complementary base sequence structure.
- Nucleic acid chain means a polymer (nucleotide chain) of a nucleoside phosphate ester in which a purine or pyrimidine base and a sugar are glycosidically bonded, and includes oligonucleotides, polynucleotides, purine nucleotides containing probe DNA. It includes a wide range of DNAs (full length or fragments thereof) polymerized with pyrimidine nucleotides, cDNA (c probe DNA) obtained by reverse transcription, RNA, polyamide nucleotide derivatives (PNA) and the like.
- reaction region is a region that can provide a field of interaction such as hybridization, and, for example, a reaction field having a well shape that can store a liquid phase or gel. .
- a nucleic acid molecule expands or moves when subjected to an electric field in a liquid phase.
- the principle is thought to be that ion turbidity is formed by phosphate ions (negative charges) forming the skeleton and hydrogen atoms (positive charges) formed by water in the vicinity of these ions.
- the polarization vector (dipole) generated by the electric charge is oriented in one direction as a whole by the application of high-frequency high voltage, and as a result, the electric field lines are concentrated when a nonuniform electric field is applied.
- “Sensor chip” means a substrate for detecting an interaction between substances in a predetermined reaction region on the substrate, and is widely used regardless of the type of the substance. The detection principle of the interaction is not questioned.
- This sensor chip is a DNA chip (DNA microarray) in which nucleic acid strands such as DNA probes are immobilized and finely arranged, and is suitable for detection of protein interactions and antigen-antibody reactions. Includes at least a mouth tin tip.
- the applied electric field (lines of electric force) is reduced. It can diverge in all directions around the electrode. That is, an electric field (electric field lines) can be diverged over a wide range by directing the entire reaction region, so that an electric gradient or a nonuniform electric field can be formed in the entire reaction region. As a result, the substances dispersed in the reaction region can be collected efficiently and more frequently to the electrode side by electrodynamic migration.
- the structure of the detection unit with few morphological restrictions on the reaction region can be simplified.
- the power supply wiring itself should be connected to the system side with the grounding part preliminarily connected, and the wiring to the detection part only needs to be connected to the electrode in the high lysis reaction region.
- the structure as a detection device can be simplified.
- FIG. 1 is a three-dimensional perspective view of an essential part for explaining the basic configuration of a first embodiment suitable as an interaction detection unit (hereinafter abbreviated as "detection unit”) according to the present invention. .
- FIG. 2 is a lateral cross-sectional view of the same detection unit.
- FIG. 3 is a cross-sectional view taken along line AA in FIG.
- FIG. 4 shows a simple example of the circuit configuration of the impedance matching circuit (8).
- FIG. 5 is a block diagram showing a more detailed configuration of a preferred embodiment of the electric field applying means.
- FIG. 6 is a cross-sectional view (common cross-sectional view as in FIG. 2) schematically showing, by electric lines of force, an electric field applied to the reaction region (2).
- FIG. 7 is a diagram showing a second embodiment of the detection unit according to the present invention.
- FIG. 8 is a diagram showing a vertical electric field intensity distribution when an AC electric field of ⁇ 20 V, 1 MHz is applied between the electrode E and the ground.
- FIG. 9 is a diagram showing an electric field strength distribution in an oblique direction when the AC electric field is applied.
- FIG. 10 is a diagram showing a horizontal electric field strength distribution when the AC electric field is applied.
- FIG. 11 is a graph showing a distribution of change rate of electric field strength in the vertical direction (the slope of the square of the electric field strength).
- FIG. 12 is a diagram showing a change rate of the electric field strength in the oblique direction (the slope of the square of the electric field strength).
- Fig.13 shows the distribution rate of the electric field strength in the horizontal direction (the slope of the square of the electric field strength). It is a figure.
- Fig. 14 is a substitute for a drawing that shows electric field strength data (right) and numerical data of derivative of electric field strength square (left) for each distance (unit: / zm) in the vertical, diagonal, and horizontal directions. Data table.
- FIG. 15 is a diagram showing the concept of vertical (Z), horizontal (H), and diagonal (R) directions related to the electric field intensity distribution around the electrodes.
- FIG. 1 is a three-dimensional perspective view of a main part for explaining the basic configuration of a first embodiment suitable as an interaction detection unit (hereinafter referred to as “detection unit”) according to the present invention.
- FIG. FIG. 3 is a cross-sectional view taken along the line AA in FIG.
- FIGS. 1 to 3 show a preferred first embodiment of the detection unit 1 according to the present invention.
- the detection unit 1 is provided with a reaction region 2 having a well shape (concave shape) that can store or hold a medium such as a solution or gel.
- This reaction region 2 functions as a region or space that provides a field of interaction between substances such as hybridization. For example, an alternating electric field is applied to the medium stored or held in the reaction region 2 via the electrode E formed so as to face the reaction region 2.
- the electrode E is formed of a metal such as aluminum or gold, or a transparent conductor such as ITO (indium monosulfide oxide).
- the electrode in the reaction region 2 is formed. Located at the center of the bottom surface 21.
- the location where the electrode E is formed is not limited to the bottom surface 21 and may be formed, for example, so as to face the reaction region 2 at the position of the upper substrate 5 or a spacer 6 described later! / ,.
- this electrode E is composed of SiO, SiC, SiN, SiOC, SiOF,
- the surface of the electrode can function as a detection surface on which a detection substance D such as a DNA probe is immobilized. Specifically, a surface treatment that can fix the end of the detection substance D such as probe DNA is applied to the surface of the electrode E in advance.
- the detection substance D can be immobilized by a reaction such as a coupling reaction between the surface of the electrode E and the end of the probe DNA (an example of the detection substance D).
- a reaction such as a coupling reaction between the surface of the electrode E and the end of the probe DNA (an example of the detection substance D).
- a reaction such as a coupling reaction between the surface of the electrode E and the end of the probe DNA (an example of the detection substance D).
- a reaction such as a coupling reaction between the surface of the electrode E and the end of the probe DNA (an example of the detection substance D).
- a reaction such as a coupling reaction between the surface of the electrode E and the end of the probe DNA (an example of the detection substance D).
- streptavidin it is suitable for fixing the end of the detection substance D that has been piotinized.
- a thiol (SH) group it is suitable for immobilizing a detection substance D such as probe DNA modified with a thiol group at the end with a dis
- symbol D shown in FIG. 1 and the like is a detection substance typified by a DNA probe whose end is fixed on the surface of electrode E, and symbol T is specific to detection substance D.
- Each target substance that exhibits a strong interaction is shown schematically.
- the symbol W shown in FIGS. 2 and 3 indicates a complex formed by a specific interaction (for example, hybridization) between the detection substance D and the target substance T (for example, two Strand nucleic acid).
- Reference numerals 4 and 5 shown in FIGS. 1 to 3 denote substrates.
- the substrate 4 is, for example, a light transmissive substrate optically capable of reading recorded information in the reaction region (in the present invention, interaction information).
- the substrate denoted by reference numeral 5 functions as a lid that closes the reaction region 2, and may be formed of the same base material as the substrate 4 depending on the purpose! It can be formed with ⁇ .
- Reference numeral 6 shown in FIG. 1 and the like denotes a space formed of an insulating material such as SiO or synthetic resin.
- the spacer member 6 may be formed separately or integrally with the substrates 4 and 5.
- the reaction region 2 that plays a role in providing a field of interaction such as noise and hybridization is formed by a known optical disk mastering technique. be able to.
- the switch S On Z-off operation allows voltage to be applied with a power source V such as an AC power source (electric field applying means).
- the electric field concentrates in the vicinity of the electrode E, and a nonuniform electric field can be formed.
- a suitable electrode structure for generating this non-uniform electric field is not particularly shown, but the surface of the electrode E is subjected to, for example, roughing into a concavo-convex shape or patterning to form an island shape. It is conceivable that the electric field easily concentrates on the convex part (mountain part) on the surface of the electrode E.
- the electric field can be concentrated particularly on the corners of the convex portions or the bent portions of the concave portions, so that the action and effect of dielectrophoresis can be more reliably performed in the region near the electrode E.
- the method for roughening the electrode surface can be carried out using, for example, a known sputtering vapor deposition technique, epitaxy vapor deposition technique or etching technique, but is not particularly limited.
- the electric field strength, frequency, and application time to be applied are not particularly limited, and it is desirable to select an appropriate electric field strength, frequency, and application time depending on the type, molecular length, etc. of the substance to be applied with the electric field.
- the waveform is not limited to a sine wave, but may be a triangular wave, for example.
- an impedance matching circuit 8 is provided between the electrode E and the power source V, and impedance matching is performed. It is preferable to be able to turn on electricity.
- FIG. 4 simply shows an example of the circuit configuration of the impedance matching circuit 8.
- the impedance matching circuit 8 is provided between the grounded power source V and the grounded detection unit 1, and each of the two variable capacitors (Capacitors) C and C is grounded.
- a circuit (neutralizing coil) Ln A circuit (neutralizing coil) Ln.
- variable capacitors C and C serve to adjust the capacitance when an electric field is applied.
- the inductance neutralizing circuit Ln plays a role of adjusting the inductance. Using such a configuration, the internal impedance output from the power supply (signal generation source) V and the load impedance of the power supply are matched.
- FIG. 5 is a block diagram showing a more detailed configuration of a preferred embodiment of the electric field applying means.
- a signal output from a grounded power source (that is, a signal generation source) V is connected to the power source V, and is amplified by an amplifier 81 to be extracted as an output signal. Then, the transmission wave Wt related to the output signal is detected by entering the signal detector (sensor) 83 via the directional coupler indicated by reference numeral 82, and the output power is detected by the measuring device 84. Measured. The control unit 85 monitors this measured value.
- the reflected wave Wr from the terminal electrode E force is detected by the signal detector (sensor) 86 via the directional coupler 82, and the reflected power is measured by the measuring device 87.
- the control unit 85 monitors this measured value.
- the impedance matching means described above In the technique of applying an electrodynamic action to a substance existing in the reaction region 2 of the detection unit 1, for example, a nucleic acid molecule, by the impedance matching means described above, the electric power supplied from the power source V to the counter electrode E Loss is reduced and the input power is maximized [0052]
- the input power (supplied power) to the reaction region 2 is made constant (stabilized), and further, the waveform disturbance of the pulse signal generated when using a high-frequency electric field, an alternating electric field, particularly a high-frequency alternating electric field. It is possible to reliably eliminate the reflected wave Wr of the electrode E force that causes problems such as suppression and phase delay of input power.
- nucleic acid chain as the target substance T is present in the reaction region 2
- This nucleic acid chain is subjected to an electrodynamic action called dielectrophoresis, and has a strong electric field strength. Run toward E.
- the target nucleic acid chain gathers on the surface of the electrode E on which the nucleic acid chain such as probe DNA that functions as the detection substance D is fixed in advance, and the hybridization proceeds efficiently.
- the target nucleic acid strand is moved to the surface of the electrode E in a short time and the concentration thereof is increased, so that the hybridization time with the nucleic acid strand immobilized on the surface of the electrode E is greatly increased. It can be shortened.
- the hybridization signal may be measured by measuring the amount of light from the inter force rate that specifically binds to the double strand (double-stranded nucleic acid) and emits light, or binds to the target DNA in advance.
- the amount of light emitted from the fluorescent dye thus applied may be measured after removing excess DNA after the hybridization. Or you may measure the light-emission quantity accompanying a hybridization reaction using a molecular beacon.
- FIG. 6 is a cross-sectional view (common cross-sectional view as in FIG. 2) schematically showing the electric field applied to the reaction region 2 with lines of electric force.
- the dielectrophoresis is performed.
- the desired electrodynamic action such as can be exerted on the entire reaction zone 2.
- the electric field (electric field lines) can be diverged over a wide range by directing the entire reaction region 2, so that an electric gradient or a non-uniform electric field can be formed in the entire reaction region 2.
- the substance dispersed in the reaction zone 2 can be efficiently and more numerous. It can be gathered to the side by electrodynamic migration.
- FIG. 7 is a diagram showing a second embodiment of the detection unit according to the present invention.
- the detection unit 10 according to the second embodiment includes three electrodes E 1, E 2, E having the same potential in the reaction region 2.
- Fig.8 shows the electric field strength distribution in the vertical direction, diagonal direction and horizontal direction when an AC electric field of 1MHz is applied, and also the electric field in vertical direction, diagonal direction and horizontal direction.
- Fig. 11, Fig. 12 and Fig. 13 show the intensity change rate (the slope of the square of the electric field strength).
- FIG. 14 is a drawing substitute data showing field strength data (right) and numerical value data (left) of field strength square for each distance (unit: / zm) in the vertical, diagonal, and horizontal directions. It is a table.
- FIG. 15 is a diagram showing the concept of the vertical (Z), horizontal (H), and diagonal (R) directions related to the electric field intensity distribution around the electrodes.
- the present invention can be used as a technique for detecting an interaction between substances efficiently and in a short time with high accuracy by utilizing an electrodynamic action. It can be used as sensor chip technology typified by DNA chip and protein chip and a device for detecting the interaction.
Abstract
Description
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US11/916,206 US20100213056A1 (en) | 2005-06-03 | 2006-05-12 | Interaction Detecting Portion with Electrode Having the Same Potential, Sensor Chip Using the Same, and Interaction Detector |
EP06732552A EP1890145A4 (en) | 2005-06-03 | 2006-05-12 | INTERACTION DETECTION UNIT WITH ELECTRODE OF THE SAME POTENTIAL, SENSOR CHIP USING THE DETECTION UNIT AND INTERACTION DETECTION DEVICE |
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JP2005-164591 | 2005-06-03 | ||
JP2005164591A JP2006337273A (ja) | 2005-06-03 | 2005-06-03 | 同一電位の電極を備える相互作用検出部と該検出部を用いるセンサーチップ、並びに相互作用検出装置 |
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US (1) | US20100213056A1 (ja) |
EP (1) | EP1890145A4 (ja) |
JP (1) | JP2006337273A (ja) |
KR (1) | KR20080016825A (ja) |
CN (1) | CN101189517A (ja) |
WO (1) | WO2006129464A1 (ja) |
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CN102478581A (zh) * | 2010-11-29 | 2012-05-30 | 中国科学院沈阳自动化研究所 | 基于聚3-己基噻吩和c60衍生物的光敏混合聚合物光电导薄膜操控芯片及制备方法 |
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2005
- 2005-06-03 JP JP2005164591A patent/JP2006337273A/ja not_active Abandoned
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2006
- 2006-05-12 KR KR1020077028003A patent/KR20080016825A/ko not_active Application Discontinuation
- 2006-05-12 WO PCT/JP2006/309571 patent/WO2006129464A1/ja active Application Filing
- 2006-05-12 EP EP06732552A patent/EP1890145A4/en not_active Withdrawn
- 2006-05-12 US US11/916,206 patent/US20100213056A1/en not_active Abandoned
- 2006-05-12 CN CNA200680019723XA patent/CN101189517A/zh active Pending
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TERU HAYASHI: "Micro Machine and Materials", CMC PUBLISHING CO., LTD, article "Manipulation of Cells and DNAs", pages: 37 - 46 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102384980A (zh) * | 2010-08-30 | 2012-03-21 | 明达医学科技股份有限公司 | 微流体操控装置及其操作方法 |
CN102478581A (zh) * | 2010-11-29 | 2012-05-30 | 中国科学院沈阳自动化研究所 | 基于聚3-己基噻吩和c60衍生物的光敏混合聚合物光电导薄膜操控芯片及制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN101189517A (zh) | 2008-05-28 |
EP1890145A4 (en) | 2008-10-29 |
KR20080016825A (ko) | 2008-02-22 |
EP1890145A1 (en) | 2008-02-20 |
JP2006337273A (ja) | 2006-12-14 |
US20100213056A1 (en) | 2010-08-26 |
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