WO2005050205A1 - 給電用配線が延設されたバイオアッセイ用基板 - Google Patents
給電用配線が延設されたバイオアッセイ用基板 Download PDFInfo
- Publication number
- WO2005050205A1 WO2005050205A1 PCT/JP2004/017124 JP2004017124W WO2005050205A1 WO 2005050205 A1 WO2005050205 A1 WO 2005050205A1 JP 2004017124 W JP2004017124 W JP 2004017124W WO 2005050205 A1 WO2005050205 A1 WO 2005050205A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wiring
- substrate
- bioassay
- substrate according
- current
- Prior art date
Links
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
- G01N33/50—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
-
- 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
- B01L3/508—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above
- B01L3/5085—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above for multiple samples, e.g. microtitration plates
-
- 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
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0803—Disc shape
Definitions
- the present invention relates to a DNA chip formed of a disk-shaped substrate and other bioassay substrates.
- the present invention relates to a technique related to a configuration of a power supply wiring extending from a current-carrying part provided at a predetermined position of a disc-shaped substrate to electrodes in each reaction region arranged on the substrate.
- the first prior art relating to the present invention is called a so-called DNA chip or a DNA microarray (hereinafter, collectively referred to as “DNA chip”) in which predetermined DNAs are finely arranged by microarray technology.
- DNA chip a DNA microarray
- This is a technology related to integrated substrates for bioassay.
- -DNA chips are used for gene mutation analysis, SNPs (monobasic polymorphism) analysis, gene expression frequency analysis, etc. for drug discovery, clinical diagnosis, pharmacogenomics, forensic medicine It is starting to be widely used in other fields.
- SNPs monobasic polymorphism
- gene expression frequency analysis etc.
- protein chips with immobilized proteins on the substrate and phases between various substances Biosensor search for analyzing interactions has been developed.
- the second 'prior art' relates to the action of an electric field on a substance present in a liquid phase in a charged state.
- a nucleotide chain nucleic acid molecule
- the principle is based on a phosphate ion (a negative charge) that forms the backbone of the nucleotide chain.
- the surrounding water are thought to form ion clouding due to ionized hydrogen atoms (positive charges).
- the polarization vector (dipole) generated by these negative and positive charges is When a high-frequency high voltage is applied, the nucleotide chain is oriented in one direction as a whole, and as a result, the nucleotide chain is elongated.
- a high-frequency high voltage is applied, the nucleotide chain is oriented in one direction as a whole, and as a result, the nucleotide chain is elongated.
- an electrode functioning as a detection surface is arranged in advance in a reaction region arranged on a substrate, and an electrode in the reaction region is placed between the electrode and the electrode facing it.
- a configuration in which a high-frequency electric field is applied to the liquid phase has been devised, whereby the detection-use nucleotide chain existing in the liquid phase in the form of a random film is elongated by the action of the high-frequency electric field.
- reaction regions have a specific shape arranged in a circumferential direction or radially.
- a wiring configuration suitable for such an arrangement form specifically, a wiring configuration capable of arranging the reaction regions as uniformly and as densely as possible on the entire substrate is devised. Some measures must be taken to reduce the wiring resistance.
- an object of the present invention is to provide a disk-shaped bioassay substrate in which the power supply wiring configuration is devised in order to solve the above problems.
- a 7L disc-shaped substrate is provided with a configuration in which a reaction region serving as a field for interaction between substances is provided, and an electrode is provided in the reaction region, and is provided at the center of the substrate.
- the present invention provides a substrate for a bypass that has a power supply wiring extending from the energized portion to the electrode.
- the center position of the disc-shaped board is selected to function as a location to which current from an external power supply is supplied.
- the current-carrying part is provided in a predetermined pattern over the entire substrate. It is used as a common conducting part for supplying current to all power supply wirings extending toward the respective electrodes in each reaction region.
- the current-carrying portion may be formed in, for example, a circular or ring-like shape, and may be configured to be divided into a single current-carrying region or a plurality of independent partial current-carrying regions.
- the power supply wiring is connected to a single energizing area or a partial energizing area of the energizing section and extends to the outer peripheral side (of the substrate), and branches off from the first wiring.
- the derived second wiring and the first wiring composed of, for example, can be radially extended from the current-carrying part.
- the first wiring can adopt any of a straight wiring and a curved wiring according to the arrangement pattern of the reaction region on the substrate, and the like. Shapes may be combined
- the second wiring branched from the first wiring is configured to extend in the circumferential direction, it can cover the entire substrate.
- the two wirings may be appropriately selected so as to have, for example, a concentric shape or a spiral shape when viewed from above. Also, this
- the two wirings may adopt a wiring configuration alternately derived from the adjacent first wirings when the substrate is viewed in the radial direction, and each of the second wirings may be one of the first wirings. ⁇ Configuration that connects to multiple first wirings can also be adopted freely
- the second wiring is used as a reference for a rotation synchronization signal and a tracking signal when recording information on the substrate is obtained, so that the second wiring is separately provided on the substrate. Since there is no need to provide a signal reference for this, the configuration or structure of the board is simplified in this regard.
- a hole having a predetermined diameter is formed in the center of the current-carrying portion provided at the center of the substrate, and a current-carrying jig that is attached to this hole and supplies current to the current-carrying portion. It is possible to provide a positioning part for Further, the hole may be provided with a positioning portion in the circumferential direction of the chucking jig to be attached to the hole, and these positioning portions may also be used.
- a concave portion or a convex portion formed in the hole can be adopted.
- the shape of the hole may be such that the energizing jig and / or the chucking jig attached to the hole are positioned in the circumferential direction.
- the above-described power supply wiring can be formed using a plurality of wiring layers, and each power supply wiring extending to the plurality of wiring layers is exposed so as to face the current-carrying portion. In addition, it is possible to adopt a configuration in which the exposed end of the wiring is connected to the current-carrying part.
- At least one of the plurality of wiring layers is formed of a uniform electrode layer over the entire surface, or at least one of the plurality of wiring layers is covered with an insulating layer such as an oxide layer.
- an insulating layer such as an oxide layer.
- a wiring layer located on the side where the excitation light for reading the interaction in the reaction region is incident is formed of a transparent or translucent conductive film in the excitation light wavelength region.
- the conductive film is formed of, for example, a film selected from an ITO (indium oxide) film, a ⁇ -electron conductive polymer film, and a metal thin film having a thickness of 50 or less. be able to.
- FIG. 1 is an external perspective view schematically showing a configuration of a typical embodiment of a bioassay substrate (1) according to the present invention.
- FIG. 2 is a plan view schematically showing the basic wiring configuration of the first embodiment (1a) of the wiring substrate (or wiring layer) used in the present invention.
- FIG. 3 is a plan view schematically showing the basic wiring configuration of the second embodiment (1b) of the wiring substrate (or wiring layer) used in the present invention.
- FIG. 4 is a plan view schematically showing the basic wiring configuration of the third embodiment (1C) of the wiring 'substrate (or wiring layer)' used in the present invention.
- FIG. 5 is a plan view schematically showing a basic wiring configuration of a fourth embodiment (1d) of a wiring substrate (or wiring layer) used in the present invention.
- FIG. 6 is a view showing a modification of the substrate (1d).
- FIG. 7 is a plan view schematically showing a basic wiring configuration of a fifth embodiment (1e) of a wiring substrate (or wiring layer) used in the present invention.
- FIG. 8 is a plan view schematically showing the basic wiring configuration of the sixth embodiment (1f) of the wiring substrate (or wiring layer) used in the present invention.
- FIG. 9 is a plan view schematically showing the basic wiring configuration of the seventh embodiment (1 g) of the wiring substrate (or wiring layer) used in the present invention.
- FIG. 10 is a plan view schematically showing a basic wiring configuration of an eighth embodiment (1h) of a wiring substrate (or wiring layer) used in the present invention.
- FIG. 11 is a plan view schematically showing a basic wiring configuration of a ninth embodiment (1i) of a wiring substrate (or wiring layer) used in the present invention.
- FIG. 12 is a plan view schematically showing a basic wiring configuration of a third embodiment (13) of a wiring substrate (or wiring layer) used in the present invention.
- FIG. 13 is a plan view schematically showing a basic wiring configuration of a third embodiment (1k) of a wiring substrate (or wiring layer) used in the present invention.
- FIG. 14 shows a state in which a simplified information recording substrate (1) and a wiring substrate (wiring layer) are overlapped and integrated to form one bio-assay substrate.
- FIG. 15 is a plan view of a state in which the substrate (1) and the wiring substrate (1h) are overlaid, as viewed from above the substrate (1).
- FIG. 16 is a longitudinal sectional view showing a connection example of the power supply wiring to the counter electrodes (E1, E2) provided in the reaction region (2).
- FIG. 17 is a vertical cross-sectional view of a peripheral portion of the reaction region (2) of one embodiment in which a plurality of wiring layers are provided.
- FIG. 1 is an external perspective view schematically showing a configuration of a typical embodiment of a bioassay substrate according to the present invention.
- the symbol 1 in FIG. 1 indicates a bioassembly substrate (hereinafter abbreviated as “substrate”) according to the present invention; a typical embodiment of L.
- the substrate 1 is made of synthetic resin or glass. As shown in Fig. 1, it has a disk shape when viewed from above, and a large number of reaction regions 2 are formed on the substrate 1 in a radial or circumferential direction. They are arranged in a spiral and can be divided into groups.
- reaction regions 2 are minute regions that provide a place for interaction between substances (for example, hybridization) and generally store or hold a liquid phase, a gel, and the like. It has a ⁇ shape (recess shape).
- Figure 1 shows that, for better understanding, The figure shows an enlarged view of one of the reaction regions 2 located near the outer periphery of the substrate 1.
- all the reaction regions 2 are provided with, for example, opposing electrodes E 1, E 2, etc., in accordance with the purpose, the required number and necessary locations. And this counter electrode E 1,
- a high-frequency AC electric field, a DC electric field, or the like is appropriately selected and applied to the reaction region 2 according to the purpose.
- the arrangement of the electrodes E 1 and E 2 and the shape of the reaction region 2 are not limited to those shown in FIG.
- a detection substance such as a DNA probe may be immobilized on any surface portion (for example, an electrode surface) of the reaction region 2 described above.
- the fixing method may be such that the surface of one electrode (for example, the electrode E 1) and a probe are used.
- the end of the DNA may be fixed by a reaction such as a coupling reaction.
- an electrode surface that has been surface-treated with streptavidin it is suitable for immobilizing a DNA-terminal probe that has been biotinylated.
- the pi-DNA with the thiol group modified at the terminal is fixed by a disulfide bond (one S—S— bond). Suitable for and.
- a conductive part 3 having a circular shape or another form is formed at the center of the substrate 1.
- the power supply section 3 functions as a power supply point or a power supply area, which is connected to an external power supply and is in contact with a power supply jig (not shown), and has a wiring configuration as described below. (Not shown in FIG. 1), and serves to supply power to the electrodes E 1 and E 2 of each reaction region 2 described above.
- the current-carrying portion 3 is not limited to a circular shape as shown in the figure, but may be formed in a ring shape or a divided shape, for example.
- the substrate used for information recording basically basically has the same configuration as described above. A detailed description of such common board components will be omitted below, and FIGS. 2 to 13 show only the configuration of the wiring board (or wiring layer). It is assumed that
- the wiring substrate (or wiring layer) constituting the bioassay substrate (hereinafter, abbreviated as “substrate”) according to the present invention will be described with reference to FIGS. 2 to 17. I do.
- This wiring substrate (or wiring layer) is integrated with the information recording substrate 1 (substrate provided with the reaction region 2) to form one bioassay substrate.
- FIG. 2 is a plan view schematically showing the basic wiring configuration of the first embodiment (1a) of the wiring substrate (or wiring layer) used in the present invention.
- a circular conducting portion 31 having a predetermined diameter is provided at the center of the substrate 1a. From this current-carrying part 31, two linear power supply wirings 41, 41 extend in the outer peripheral direction of the substrate.
- the number of power supply wires of the substrate according to the present invention is not limited to this, and the arrangement configuration of the reaction regions 2 on the substrate is not limited to this. It can be selected appropriately according to the situation. Note that the number of power supply wiring Since the number is not limited to the number described above, the same applies to the following embodiments, and a remarkable explanation is omitted.
- FIG. 3 is a plan view schematically showing the basic wiring configuration of the second embodiment (1b) of the wiring substrate (or wiring layer) used in the present invention.
- the feature of the second embodiment is that it extends from the circular conducting part 31 located at the center of the curved power supply wirings 42, 42.
- Such a curved power supply wiring 42 can be appropriately adopted in all embodiments described below.
- FIG. 4 is a plan view schematically showing a basic wiring configuration of a third embodiment (1c) of a wiring substrate (or wiring layer) used in the present invention.
- two separate and independent partial conduction regions 32 and 32 are formed.
- one of the partially energized regions 32 can function as a positive electrode, and the other partially energized region 32 can function as a negative electrode.
- the number of the divided partial energization regions 32 is not limited to two as shown in the figure, and can be appropriately selected according to the purpose. Since the number of the partial energization regions is not limited to the illustrated number, the same applies to the following description, and therefore, no remarkable explanation will be given.
- FIG. 5 is a plan view schematically showing a basic wiring configuration of a fourth embodiment (1d) of a wiring substrate (or wiring layer) used in the present invention.
- a ring-shaped current-carrying portion 33 is formed at the center of the substrate 1d of>-, and two power supply wirings are formed from the current-carrying portion 33.
- the circular portion indicated by the reference numeral 5 formed in the inner area of the current-carrying portion 33 is a hole (not shown) to which a not-shown current-carrying jig or a chucking jig such as a disc reader Z writer is attached. Including holes that do not penetrate as follows: The above-described configuration in which the hole 5 is not formed in the inner region of the ring-shaped current-carrying portion 33 can also be adopted.
- reference numeral 51 shown in FIG. 5 is a notch-like concave portion formed in the hole 5.
- the concave portion 51 functions as a positioning portion for preventing a positional deviation in the circumferential direction X of the above-described energizing jig or chucking jig.
- FIG. 6 is a diagram showing a modification of the substrate 1d. This figure
- the convex portion 52 formed on the inner peripheral portion of the conducting portion 34 shown in FIG. 6 functions as the same positioning portion as described above.
- FIG. 7 is a plan view schematically showing a basic wiring configuration of a fifth embodiment (1e) of a wiring substrate (or wiring layer) used in the present invention.
- the outer shape of the current-carrying part 35 at the center of the substrate 1 e is circular, and a hole 6 consisting of an isosceles triangle is formed at the center of the substrate.- Due to the shape of the hole 6, Positioning of the current-carrying jig and chucking jig inserted in the hole 6 in the circumferential direction X (see Figs. 5 and 6)
- the shape of the hole 6 having such a positioning function is not limited to an isosceles triangular shape, but a shape in which the attachment position of the jig is determined only by one. If so, it can be adopted as appropriate. For example, a drop shape, a heart shape, a clover shape, and the like can be given.
- FIG. 8 is a plan view schematically showing the basic wiring configuration of the sixth embodiment (1f) of the wiring substrate (or wiring layer) used in the present invention.
- a hole 5 having the above-mentioned concave portion 51 (or convex portion 52) may be formed at the center thereof.
- Separate and independent partial current-carrying regions 36, 36 divided into semicircular shapes are formed. Then, one power supply wiring 41 extends from each of the partial energization regions 36, 36 toward the outer peripheral direction of the substrate.
- FIG. 9 is a plan view schematically showing a basic wiring configuration of a seventh embodiment ′ (1 g) of a wiring substrate (or wiring layer) used in the present invention.
- a hole 5 having a convex portion 52 (or a concave portion 51) is formed at the center thereof, and a ring-shaped current-carrying portion is formed so as to surround the hole 5.
- Separate and independent partial current-carrying regions 37, 37, and 37 are formed in the form of three divisions. Then, from each of the partial energization regions 37, 37, 37, one power supply wiring 41 extends toward the outer peripheral direction of the substrate.
- FIG. 10 is a plan view schematically showing a basic wiring configuration of an eighth embodiment (1h) of a wiring substrate (or wiring layer) used in the present invention.
- This board 1 h is extended from the two divided current-carrying areas 36, 36, respectively, and the first wirings 401, 410 function as main wirings (main wirings) for power supply. And a second wiring group 4022 branched from the first wirings 401 and 401 and extended so as to draw a circular arc in the circumferential direction.
- the width of the first wiring 401 can be designed to be 50 ⁇ m
- the width of the second wiring can be designed to be 5 / im (the same applies hereinafter).
- a hole 5 having a concave portion 51 (or a convex portion 52 may be formed) is formed inside the partial energization regions 36, 36.
- the first wiring 401 is viewed from the center of the substrate 1h toward the outer periphery or from the outer periphery toward the center, the first wiring 401 (401 a, 40 1b), one ends of the second wirings 402 are connected alternately (see FIG. 10).
- one end of the second wiring 4002 1 is connected to the first wiring 401 b
- one end of the second wiring 402 2 is connected to the first wiring 401 a
- One end of the second wiring 40023 is connected to the first wiring 401b
- one end of the second wiring 4204 is connected to the first wiring 401a
- one end of the second wiring 40025 is connected to the first wiring 401b.
- the second wiring group 402 having such a configuration is concentric when viewed from above (see FIG. 10).
- the second wiring group 402 is connected to, for example, the electrode E 1 or E 2 (see FIG. 1) in each reaction region 2 arranged in the substrate region Y or the like indicated by a virtual line circle in FIG. Thus, they function as power supply wiring for applying a high-frequency AC electric field or a DC electric field to these electrodes E 1 and E 2 (the same applies hereinafter).
- first wiring 401 extending in the radial direction of the substrate is used as a reference for the rotation synchronization signal
- the second wiring 402 extending in the circumferential direction is used as a trap. It can be used as a reference for a king signal, which is preferable (the same applies hereinafter).
- FIG. 11 is a plan view schematically showing the basic wiring configuration of the ninth embodiment (1i) of the wiring substrate (or wiring layer) used in the present invention. is there.
- This substrate 1 i includes four divided partial conduction regions 38, 38, 38, 38.
- the partial energization regions 38, 38, 38, 38 are alternately arranged in the circumferential direction as the energized portions of the positive, negative, positive, and negative electrodes. Function.
- the partial energization area 3.8, 38, 38, 38 The first wiring 410, 4 that functions as the main wiring (backbone wiring) for power supply, respectively, is extended. 0 1, 4 0 1, and 4 0 1 are derived, and the second wiring is extended from each first wiring 401 so as to draw a circular arc in the circumferential direction.
- the wiring 402 group is extended.
- a hole 5 having a convex portion 52 (or may be a concave portion 51) is formed inside the partially energized regions 38, 38, 38, 38.
- connection configuration of the second wiring 402 to the first wiring 401 in this substrate 1 i or the branch configuration of the second wiring 402 from the first wiring 401 is the same as that of the above substrate 1 h.
- the second wiring group 402 extends in a concentric manner when viewed from above (see FIG. 11).
- the second wiring group 402 of the substrate 1 i shown in FIG. 11 is alternately led out from the adjacent first wirings 401 and 401, and each of the first wirings 402 is alternately led out.
- the two wirings 402 have a wiring configuration in which only one of the first wirings 402 is connected.
- FIG. 12 is a plan view schematically showing the basic wiring configuration of the tenth embodiment (1j) of the wiring substrate (wiring layer) used in the present invention.
- the substrate 1 j is separated from the two partial current-carrying regions 36 and 36
- Each of the first wirings 401, 401 is extended and functions as a main wiring (backbone wiring) for power supply, and branches off from the first wirings 401, 401 to form an upper part.
- a second wiring group 402 in a spiral shape.
- a hole 5 having a concave portion 51 (or a convex portion 52 may be formed) is formed inside the partial energization regions 36 and 36.
- the 402 group is branched from the first wiring 401 alternately in order from the inner side in the radial direction so as to draw a semicircle with a slightly larger diameter. It can be understood that it has a wiring configuration of a shape. All the second wirings 402 are connected to only one first wiring 401 (see FIG. 12).
- FIG. 13 is a plan view schematically showing the basic wiring configuration of the first embodiment (lk) of the wiring substrate (wiring layer) used in the present invention.
- This board lk extends from each of the four divided partial conduction areas 38, 38, 38, 38, 38, and functions as main wiring (main wiring) for power supply.
- 1 Wiring 4 0 1, 4 0 1, 4 0 1 and 4 1 are provided.
- a second wiring 402 group branched from each of the first wirings 401 is provided.
- the second wiring 402 of the substrate 1k shown in FIG. 13 is formed in a spiral shape when viewed from above, similarly to the substrate 1j.
- a hole 5 having a convex portion 52 (or a concave portion 51) is formed inside the partial energization region 38, 38, 38, 38.
- FIG. 14 shows the information recording substrate (layer) 1 and the wiring substrate (wiring layer) (here, which are shown more simply than FIG. 1).
- the substrate 1h shown in FIG. 10 is adopted as a representative example) and is integrated by, for example, overlapping, to form a single bioassay substrate.
- FIG. 15 is a plan view of a state in which the substrate (layer) 1 and the wiring substrate (wiring layer) 1 h are superimposed as viewed from above the substrate 1.
- the reaction regions 2 on the substrate 1 are arranged at predetermined intervals along the second power supply wiring 402.
- the second wiring 402 of the wiring substrate extends concentrically. Therefore, the reaction regions 2 are also arranged concentrically on the substrate 1.
- the second wiring for power supply extends spirally, as in the wiring board (wiring layer) 1 j or 1 k shown in FIG. 12 or FIG. 2 will also be spirally arranged on the substrate 1.o
- FIG. 16 is a longitudinal sectional view showing a connection example of the power supply wiring to the counter electrodes E 1 and E 2 provided in the reaction region 2.
- One electrode E 1 is connected to one of the second wirings 402 of the wiring substrate (wiring layer) as indicated by 11k, for example, when a DC electric field is applied. Is used as a positive electrode.
- the other electrode E 2 is connected to an auxiliary wiring 40 3 extending from a second wiring 402 (not shown in FIG. 16) on the outer peripheral side or inner peripheral side of the second wiring. For example, when a DC electric field is applied, it is used as a negative electrode.
- a plurality of wiring layers may be provided.
- two wiring substrates are provided so that the substrate 1 on which the reaction region 2 is formed is sandwiched, and the upper side facing the reaction region 2 is provided.
- the electrode E 11 is connected to the upper wiring base.
- Plate (wiring layer)
- the lower wiring is connected to the electrode E 12 disposed on the bottom surface of the reaction region 2 so as to connect one second wiring 402 to the electrode E 11 so as to face the electrode E 11.
- the second wiring 402 of one substrate (wiring layer) can be connected.
- 2 1 has one second wiring in the lower wiring board (wiring layer).
- the electrode E22 (disposed above the anti-J center k region 2) is connected to the second wiring 402 of one of the upper wiring substrates (wiring layers) by a force S. .
- the electrode is stored or held in the reaction area 2.
- a high-frequency AC electric field, a DC electric field, and the like can be applied to the medium (not shown).
- Reference numeral 6 in FIG. 17 denotes a substrate superimposed on the substrate 1.
- the electric field applied to the medium stored or retained in the reaction region 2 causes the nucleic acid molecules existing in the medium to elongate or move due to an electrodynamic effect called dielectrophoresis. In such cases, it can be suitably used.
- the first wiring 401 which is the main wiring to which each of the second wirings 402 is connected, is exposed from the wiring layer so as to reach the current-carrying part (31 to 38) at the center of the board.
- the end portion of the wiring is connected to the current-carrying portion (not shown).
- At least one of the wiring layers has an electrode layer that is uniform over the entire surface
- the interaction of the hybridization etc. that has progressed in the reaction region 2 provided on the substrate 1 can be detected using known optical and spectral enemy means.
- the wiring layer located on the side where the excitation light (for example, fluorescence excitation light) P (see FIGS. 16 and 17) of a predetermined wavelength for reading (for detection) is incident is formed by the excitation light wavelength
- the area should be formed with a transparent or translucent insulating layer.
- the present invention can be used as a DNA chip or other bioassay substrate in which a large number of reaction regions provided with electrodes are arranged on the substrate, particularly as a bioassay substrate having a disk shape. You.
- the power supply wiring connected to the said electrode is arranged on a board
- the arrangement density of the reaction areas can be made more uniform and high-density regardless of the inner and outer peripheral positions of the substrate, and the wiring resistance can be reduced. .
- the wiring configuration employed in the substrate for a pioneer assay according to the present invention power can be reliably supplied to the electrodes provided in the reaction region regardless of the electrode arrangement. Therefore, the degree of freedom in board design can be improved.
- the power supply wiring extended on the disk-shaped substrate is As a reference for the rotation synchronizing signal used when taking or as a reference for the tracking signal, the pit group bar for obtaining these signals can be used as a result. Since it is not necessary to provide dedicated signals and marks such as a code group on the substrate, the configuration of the substrate can be further simplified.
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Urology & Nephrology (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Cell Biology (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Clinical Laboratory Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/579,044 US20070284247A1 (en) | 2003-11-11 | 2004-11-11 | Bioassay Substrate With Feeder Wirings |
EP04799737A EP1684072A4 (en) | 2003-11-11 | 2004-11-11 | BIOTEST SUBSTRATE ON WHICH FEEDING LINES ARE DESIGNED |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003380787A JP4285206B2 (ja) | 2003-11-11 | 2003-11-11 | 給電用配線が延設されたバイオアッセイ用基板 |
JP2003-380787 | 2003-11-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005050205A1 true WO2005050205A1 (ja) | 2005-06-02 |
Family
ID=34616090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/017124 WO2005050205A1 (ja) | 2003-11-11 | 2004-11-11 | 給電用配線が延設されたバイオアッセイ用基板 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070284247A1 (ja) |
EP (1) | EP1684072A4 (ja) |
JP (1) | JP4285206B2 (ja) |
CN (1) | CN1867830A (ja) |
WO (1) | WO2005050205A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20100101920A (ko) * | 2009-03-10 | 2010-09-20 | 삼성전자주식회사 | 원심력 기반 미세유동장치, 상기 미세유동장치를 구비한 생화학 처리 시스템, 및 상기 미세유동장치의 제조방법 |
MX339809B (es) * | 2010-05-27 | 2016-06-09 | Merck Sharp & Dohme Corp * | Metodo para preparar anticuerpos con propiedades mejoradas. |
CN102004161B (zh) * | 2010-11-09 | 2012-08-15 | 华中科技大学 | 一种微阵列反应装置 |
CN102090889B (zh) * | 2011-01-21 | 2013-01-09 | 中山大学 | 一种用于生物电阻抗检测技术的同心圆式金属体表电极及其制造方法 |
CN108490331B (zh) * | 2018-04-17 | 2023-11-17 | 西安派瑞功率半导体变流技术股份有限公司 | Gct芯片门/阴极阻断特性圆周法测试台 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1194747A (ja) * | 1997-09-19 | 1999-04-09 | Hitachi Software Eng Co Ltd | バイオチップ及びバイオチップ読取り装置 |
JP2001147230A (ja) * | 1999-11-19 | 2001-05-29 | Hitachi Software Eng Co Ltd | バイオチップ読取装置及び標識試薬 |
JP2001238674A (ja) * | 2000-02-29 | 2001-09-04 | Nikon Corp | Dnaアレイ、dnaアレイ読み取り装置、及びdnaアレイ製造装置 |
EP1679515A1 (en) | 2003-10-27 | 2006-07-12 | Sony Corporation | Bio-assay substrate having a power supply wire configuration |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6068818A (en) * | 1993-11-01 | 2000-05-30 | Nanogen, Inc. | Multicomponent devices for molecular biological analysis and diagnostics |
US6818110B1 (en) * | 1997-09-30 | 2004-11-16 | Symyx Technologies, Inc. | Combinatorial electrochemical deposition and testing system |
TWI252255B (en) * | 2002-03-15 | 2006-04-01 | Sony Corp | Bio-assay substrate, bio-assay apparatus, and reading apparatus |
TWI221523B (en) * | 2002-05-21 | 2004-10-01 | Sony Corp | Bioassay method, bioassay device, and bioassay substrate |
JP2005114427A (ja) * | 2003-10-03 | 2005-04-28 | Sony Corp | 二枚の基板を重ね合わせてバイオアッセイ用基板を製造する方法及びバイオアッセイ用基板 |
-
2003
- 2003-11-11 JP JP2003380787A patent/JP4285206B2/ja not_active Expired - Fee Related
-
2004
- 2004-11-11 EP EP04799737A patent/EP1684072A4/en not_active Withdrawn
- 2004-11-11 US US10/579,044 patent/US20070284247A1/en not_active Abandoned
- 2004-11-11 WO PCT/JP2004/017124 patent/WO2005050205A1/ja active Application Filing
- 2004-11-11 CN CNA2004800300903A patent/CN1867830A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1194747A (ja) * | 1997-09-19 | 1999-04-09 | Hitachi Software Eng Co Ltd | バイオチップ及びバイオチップ読取り装置 |
JP2001147230A (ja) * | 1999-11-19 | 2001-05-29 | Hitachi Software Eng Co Ltd | バイオチップ読取装置及び標識試薬 |
JP2001238674A (ja) * | 2000-02-29 | 2001-09-04 | Nikon Corp | Dnaアレイ、dnaアレイ読み取り装置、及びdnaアレイ製造装置 |
EP1679515A1 (en) | 2003-10-27 | 2006-07-12 | Sony Corporation | Bio-assay substrate having a power supply wire configuration |
Non-Patent Citations (1)
Title |
---|
See also references of EP1684072A4 |
Also Published As
Publication number | Publication date |
---|---|
EP1684072A4 (en) | 2008-09-10 |
US20070284247A1 (en) | 2007-12-13 |
CN1867830A (zh) | 2006-11-22 |
JP2005147681A (ja) | 2005-06-09 |
EP1684072A1 (en) | 2006-07-26 |
JP4285206B2 (ja) | 2009-06-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4797196B2 (ja) | マイクロチップ | |
JP3952042B2 (ja) | 凹状部位を有する電極を備えるハイブリダイゼーション検出部と該検出部を備えるdnaチップ | |
JP2006501486A (ja) | Dnaハイブリダイゼーションおよび特異的結合事象の電気的検出 | |
US20070190665A1 (en) | Biological material detection element, biological material detection method and apparatus, charged material moving apparatus | |
JP2008532003A (ja) | 複合混合物中の分子標的を分離するための方法及びデバイス | |
CN1348103A (zh) | 可单独选通的平面结构的微电磁单元阵列芯片 | |
JP2004132954A (ja) | 一個または複数個の分析物を検出するための方法および装置、ならびに装置の使用 | |
WO2005050205A1 (ja) | 給電用配線が延設されたバイオアッセイ用基板 | |
JP4645110B2 (ja) | 誘電泳動を利用するハイブリダイゼーション検出部と該検出部を備えるセンサーチップ、並びにハイブリダイゼーション検出方法 | |
JP4591195B2 (ja) | バイオアッセイ用の基板と装置、並びに基板の製造方法 | |
JP4206900B2 (ja) | 給電用配線が延設されたバイオアッセイ用基板 | |
JP2005114427A (ja) | 二枚の基板を重ね合わせてバイオアッセイ用基板を製造する方法及びバイオアッセイ用基板 | |
US20180299424A1 (en) | System and method for nucleotide sequencing | |
JP2004150841A (ja) | 生体物質精製方法および生体物質精製用キットおよび生体物質分析システム | |
US6096172A (en) | Method of bonding bio-molecules to a test site | |
JP4411931B2 (ja) | 物質間の相互作用検出方法 | |
US8197655B2 (en) | System and method for detecting interaction between substances by superimposingly applying sinusoidal voltage | |
JP2006337273A (ja) | 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 | |
JP2005106757A (ja) | 突起する対向電極を利用する物質間の相互作用検出部と該検出部が設けられたバイオアッセイ用基板 | |
Kok et al. | Genomics and proteomics: implications for inflammatory bowel diseases | |
JP4618007B2 (ja) | 物質間の相互作用するバイオアッセイ用基板と相互作用検出装置 | |
JP4403376B2 (ja) | 物質間の相互作用検出部と該検出部を備えるバイオアッセイ用基板及び該検出部への水溶液供給方法 | |
JP2003156471A (ja) | 生体物質検出用素子、生体物質検出方法及び装置 | |
Son et al. | A platform for ultrasensitive and selective multiplexed marker protein assay toward early-stage cancer diagnosis |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 200480030090.3 Country of ref document: CN |
|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2004799737 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 2004799737 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10579044 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 10579044 Country of ref document: US |