WO2019151468A1 - 生化学反応用基体及び分析装置 - Google Patents
生化学反応用基体及び分析装置 Download PDFInfo
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- WO2019151468A1 WO2019151468A1 PCT/JP2019/003559 JP2019003559W WO2019151468A1 WO 2019151468 A1 WO2019151468 A1 WO 2019151468A1 JP 2019003559 W JP2019003559 W JP 2019003559W WO 2019151468 A1 WO2019151468 A1 WO 2019151468A1
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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
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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
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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
- B01L9/00—Supporting devices; Holding devices
- B01L9/52—Supports specially adapted for flat sample carriers, e.g. for plates, slides, chips
- B01L9/527—Supports specially adapted for flat sample carriers, e.g. for plates, slides, chips for microfluidic devices, e.g. used for lab-on-a-chip
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00584—Control arrangements for automatic analysers
- G01N35/00722—Communications; Identification
- G01N35/00732—Identification of carriers, materials or components in automatic analysers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/021—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations having a flexible chain, e.g. "cartridge belt", conveyor for reaction cells or cuvettes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1002—Reagent dispensers
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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
- B01L2300/02—Identification, exchange or storage of information
- B01L2300/021—Identification, e.g. bar codes
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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
- 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
- B01L2400/0457—Moving fluids with specific forces or mechanical means specific forces passive flow or gravitation
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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
- B01L2400/00—Moving or stopping fluids
- B01L2400/08—Regulating or influencing the flow resistance
- B01L2400/084—Passive control of flow resistance
- B01L2400/086—Passive control of flow resistance using baffles or other fixed flow obstructions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N2035/00465—Separating and mixing arrangements
- G01N2035/00524—Mixing by agitating sample carrier
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/04—Details of the conveyor system
- G01N2035/0401—Sample carriers, cuvettes or reaction vessels
- G01N2035/0429—Sample carriers adapted for special purposes
- G01N2035/0436—Sample carriers adapted for special purposes with pre-packaged reagents, i.e. test-packs
Definitions
- the present invention relates to a biochemical reaction substrate for measuring the amount of a biologically active sample substance based on a biochemical reaction process such as an immunological measurement method, and an analyzer for analyzing the reaction between a specimen such as blood and a reagent.
- a biochemical reaction substrate for measuring the amount of a biologically active sample substance based on a biochemical reaction process such as an immunological measurement method
- an analyzer for analyzing the reaction between a specimen such as blood and a reagent.
- the present invention relates to an analyzer that can reduce the size of the analyzer, shorten the test time, reduce the amount of the sample, and reduce the test cost.
- an IgE antibody against a specific allergen in a blood sample collected from a subject is used as a solid phase sandwich.
- a method for quantification by an immunoassay is common.
- a ligand capture antibody is adsorbed on a solid support such as a glass filter, and a protein adsorption site other than the ligand capture antibody adsorption site is sealed with a blocking agent such as casein, while the ligand is
- a specific allergen such as mite or pollen is prepared and mixed with a blood sample to form a complex of a specific allergen bound to a ligand and an IgE antibody against the specific allergen in the blood sample.
- the mixed solution containing this complex is added to the above-described solid phase carrier on which the ligand capture antibody is adsorbed, and the ligand portion in the complex is bound to the ligand capture antibody.
- the anti-IgE antibody labeled with is added, and the portion of the IgE antibody in the complex is bound to the labeled anti-IgE antibody.
- the excess labeled anti-IgE antibody that has not bound to the complex is removed, and a color reaction according to the type of label is performed to detect the labeled anti-IgE antibody bound to the IgE antibody.
- the obtained detection result is compared with a calibration curve prepared in advance using a standard IgE antibody, and the IgE antibody against a specific allergen in the blood sample is quantified.
- a method and apparatus for inspecting one specific allergen using a biological reaction substrate obtained by binding a porous filter of one biological reaction substrate is known.
- the biological reaction substrate is made of glass fiber having an appropriate physical strength at the bottom of the porous filter (solid phase carrier), and the cellulose from the bottom for absorbing the solution that has passed through the solid phase carrier.
- a reaction vessel for immunological measurement combined with an absorbent layer can be used (see Patent Document 2).
- Patent Document 4 a cleaning solution or the like is removed without using a suction nozzle while using a biochip on which antigens of various allergens are mounted as independent spots, that is, spaced spots. A method is disclosed.
- an analyzer as shown in Patent Document 5 is known.
- the analyzer described in Patent Document 5 includes at least a sample cell in which a sample is stored, a reagent cell in which a reagent is stored, a sample, a reaction cell in which the reagent is reacted, and each cell is linearly arranged.
- Cartridge holding means having a cartridge receiving part for holding the inspection cartridge, and the inspection cartridge provided in the inspection stage and linearly carried to the inspection stage, and inside the inspection stage that has been carried in
- the inspection cartridge is carried along the longitudinal direction along the arrangement direction of the cells of the inspection cartridge.
- the inspection cartridge after inspection is linearly carried out from the inspection stage to the set stage and returned to the cartridge receiving portion of the cartridge holding means, and part of the inspection cartridge transport path in the inspection stage.
- the inspection is performed in a state where the dispensing target cell of the inspection cartridge in the inspection stage carried in by the cartridge transport means is transported to the dispensing position and arranged corresponding to a predetermined dispensing position.
- Sample reagent dispensing means for dispensing the sample and reagent of the test cartridge to the reaction cell with respect to the cartridge, and a measurement position set in advance in a part of the transport path of the test cartridge in the test stage , The reaction cell of the inspection cartridge in the inspection stage transported by the cartridge transport means is moved to the measurement position.
- the measuring means for measuring the reaction between the sample and the reagent in the reaction cell dispensed by the sample reagent dispensing means, heated by a heating source, and A thermostat that keeps the liquid temperature in at least the reaction cell of the inspection cartridge in the transported inspection stage at a preset constant temperature environmental temperature, and a temperature detector that can detect the internal environmental temperature of the inspection stage, Based on the internal environmental temperature detected by the temperature detector, when the internal environmental temperature is lower than a predetermined threshold, the set temperature of the heating source of the thermostatic bath is set as compared with the case where the temperature is equal to or higher than the threshold. And a constant temperature bath control means for controlling the set temperature of the heating source so as to increase the temperature.
- the thermostat is provided that keeps the liquid temperature in the reaction cell of the test cartridge at a preset constant temperature environment temperature. Therefore, it is possible to effectively prevent a decrease in measurement accuracy due to changes in the inspection cartridge and the environmental temperature.
- IgE antibodies against specific allergens that specifically bind to antigens of various allergens immobilized on the second base are labeled with an enzyme or the like. After binding the anti-IgE antibody (labeled anti-IgE antibody), a color reaction is performed to detect the labeled anti-IgE antibody, but the first base portion and the cover member are laminated on the second base portion. Therefore, it cannot be said to be an effective means for detecting a reaction with a low degree of coloration, and there is a possibility that it cannot be detected with high sensitivity.
- the analyzer described in Patent Document 5 dispenses a sample or reagent into a reaction cell, sucks and holds the sample or reagent in a predetermined amount, and discharges the predetermined sample or reagent into the reaction cell to be measured. After that, the inspection cartridge having the reaction cell is transported to the measurement position for inspection.
- the method for aspirating the specimen or reagent increases the size of the apparatus and increases the cost of manufacturing the apparatus. It was.
- the present invention has been made to solve such a problem, and in allergy testing, the sensitivity of the test is increased and the test time is shortened, and the necessary amount of blood as a sample is reduced. It is an object of the present invention to provide a biochemical reaction substrate that can be easily inspected by reducing the number of inspection steps, and that is used for allergic tests with reduced risk of inspectors' infection.
- An object of the present invention is to provide an analyzer that can reduce the manufacturing cost.
- a biochemical reaction substrate for solving the above-described problems includes a reaction plate, an absorbent body, a reaction plate housing section for housing the reaction plate, an absorbent body housing section for housing the absorbent body, and a substrate.
- a storage container including a heat retaining unit, a reaction plate stored in the storage container, and a cover assembled to the storage container so as to cover at least a part of the absorber;
- a reaction area in which a specific binding substance that specifically reacts with the test substance is immobilized, and a flow path section that connects the absorber and the reaction area, and the cover is configured to transfer a specimen or the like to the reaction plate. It is characterized by having an injection hole for injecting into the.
- the reaction plate has an outflow prevention wall formed so as to surround the reaction area to be continuous with the flow path portion.
- the cover includes an inner wall portion that contacts the reaction plate along an outer peripheral edge of at least a part of the outflow prevention wall.
- the inner wall portion is formed with a suction-preventing deficient portion at a position close to the flow path portion, and the reaction plate storage portion includes the absorber storage portion. It is preferable that a continuous storage groove is formed.
- An analyzer for solving the above problems is an analyzer for analyzing a reaction between a sample and a reagent, and a reagent cartridge for storing the sample and the reagent, and a chip for dispensing the sample and the reagent
- An installation area for installing a device, a dispensing area for dispensing the specimen and the reagent to the chip device, an agitation area for stirring and mixing the dispensed specimen and / or the reagent, and the stirring and mixing
- a drainage area for draining the specimen and / or the reagent, and a detection area for detecting a reaction between the specimen and the reagent in the chip device, the installation area, the dispensing area, the stirring area,
- the drainage area and the detection area are arranged on the same straight line.
- the analyzer includes a guide unit arranged along the same straight line and a moving table guided by the guide unit.
- the installation area and the drainage area are respectively arranged at either end of the same straight line.
- the stirring area is vibrated by reciprocating the moving table along the same straight line.
- the dispensing area includes a dispensing nozzle that can move in a direction substantially perpendicular to the same straight line.
- the drainage area includes a stopper formed at the end of the same straight line, and includes a tilting mechanism that tilts the chip device by contacting the stopper. is there.
- the detection area includes a light shielding unit that shields the chip device and a detection camera that detects the surface of the chip device, and the detection camera is in a direction substantially perpendicular to the same straight line. It is preferable to provide a moving mechanism for moving the
- the light shielding unit includes an adjustment mechanism that can be moved together with the detection camera by the moving mechanism and that can adjust a distance from the detection camera to an end of the light shielding unit. .
- the adjustment mechanism includes a first cylinder having the detection camera attached to one end thereof, and a second cylinder assembled to the first cylinder.
- the reaction plate communicates a reaction area in which a specific binding substance (for example, an antigen (allergen)) that specifically reacts with a test substance in a specimen is immobilized, an absorber, and the reaction area.
- a specific binding substance for example, an antigen (allergen)
- allergen allergen
- the cover has an injection hole for injecting a sample or the like into the reaction plate, the number of inspection steps can be reduced (for example, in order to drain the cleaning liquid, the reaction area Therefore, it is possible to easily perform the inspection. Further, since the allergic test can be performed without the tester directly touching the blood or the like as the sample, the risk of infection of the tester can be reduced.
- reaction detection with various allergen antigens can be performed in the reaction area, the necessary amount of blood or the like used as a sample can be reduced.
- the stirring and draining of the chip device in which the specimen and the reagent are dispensed can be performed. Even when the inspection time is shortened, the analyzer can be downsized.
- FIG. 1 is a perspective view of a biochemical reaction substrate according to an embodiment of the present invention.
- the exploded view of the base for biochemical reaction concerning the embodiment of the present invention.
- the perspective view of the plate for reaction used for the base for biochemical reaction which concerns on embodiment of this invention.
- the top view of the storage container used for the base for biochemical reaction which concerns on embodiment of this invention.
- the bottom view of the cover used for the base for biochemical reaction which concerns on embodiment of this invention.
- the bottom view which shows the modification of the cover used for the base for biochemical reaction which concerns on embodiment of this invention.
- FIG. 9 is a cross-sectional view taken along line AA in FIG. 8. BB sectional drawing in FIG.
- the perspective view of the analyzer which concerns on embodiment of this invention.
- the figure for demonstrating the internal structure of the analyzer which concerns on embodiment of this invention.
- the perspective view for demonstrating the internal structure of the analyzer which concerns on embodiment of this invention.
- the perspective view for demonstrating the dispensing area of the analyzer which concerns on embodiment of this invention The perspective view for demonstrating the stirring area of the analyzer which concerns on embodiment of this invention.
- the perspective view for demonstrating the inclination mechanism of the analyzer which concerns on embodiment of this invention It is a perspective view for demonstrating the inclination mechanism of the analyzer which concerns on embodiment of this invention, Comprising: The figure which shows the state which the cam for inclination contact
- the perspective view for demonstrating the detection area of the analyzer which concerns on embodiment of this invention It is a figure explaining the detection result of the analyzer which concerns on embodiment of this invention, Comprising: The figure for demonstrating arrangement
- FIG. 1 is a perspective view of a biochemical reaction substrate according to an embodiment of the present invention
- FIG. 2 is an exploded view of the biochemical reaction substrate according to an embodiment of the present invention
- FIG. FIG. 4 is a perspective view of a reaction plate used for the biochemical reaction substrate according to the embodiment
- FIG. 4 is a top view of the storage container used for the biochemical reaction substrate according to the embodiment of the present invention
- 5 is a bottom view of a cover used for a biochemical reaction substrate according to an embodiment of the present invention
- FIG. 6 is a top view for explaining an arrangement state of antigens (allergens) in a reaction area of a reaction plate.
- FIG. 1 is a perspective view of a biochemical reaction substrate according to an embodiment of the present invention
- FIG. 2 is an exploded view of the biochemical reaction substrate according to an embodiment of the present invention
- FIG. FIG. 4 is a perspective view of a reaction plate used for the biochemical reaction substrate according to the embodiment
- FIG. 4 is a top view
- FIG. 7 is a bottom view showing a modification of the cover used for the biochemical reaction substrate according to the embodiment of the present invention
- FIG. 8 shows the biochemical reaction substrate according to the embodiment of the present invention. It is a top view which shows the modification of the plate for reaction used.
- 9 is a cross-sectional view along AA in FIG. 8
- FIG. 10 is a cross-sectional view along BB in FIG. 8
- FIG. 11 is another arrangement state of antigens (allergens) in the reaction area of the reaction plate.
- FIG. 12 is a perspective view of the analyzer according to the embodiment of the present invention
- FIG. 13 is a diagram for explaining the internal structure of the analyzer according to the embodiment of the present invention.
- FIG. 14 is a perspective view for explaining the internal structure of the analyzer according to the embodiment of the present invention, and FIG. 15 is for explaining the installation area of the analyzer according to the embodiment of the present invention.
- FIG. 16 is a perspective view for explaining a barcode reading area of the analyzer according to the embodiment of the present invention
- FIG. 17 is a dispensing area of the analyzer according to the embodiment of the invention.
- FIG. 18 is a perspective view for explaining FIG.
- FIG. 19 is a perspective view for explaining the stirring area of the analyzer according to the embodiment of the invention
- FIG. 19 is a perspective view for explaining the drainage area of the analyzer according to the embodiment of the present invention.
- 20 is a perspective view for explaining the tilt mechanism of the analyzer according to the embodiment of the present invention, and FIG.
- FIG. 21 is a perspective view for explaining the tilt mechanism of the analyzer according to the embodiment of the present invention.
- FIG. 22 is a view showing a state in which the tilt cam is in contact with the stopper, and
- FIG. 22 is a perspective view for explaining the tilt mechanism of the analyzer according to the embodiment of the present invention, in which the substrate holding portion is tilted.
- FIG. 23 is a perspective view for explaining the detection area of the analyzer according to the embodiment of the invention, and
- FIG. 24 shows the detection result of the analyzer according to the embodiment of the invention. It is a figure explaining, and distribution of an antigen in a reaction area
- FIG. 25 is a diagram for explaining the detection result of the analyzer according to the embodiment of the present invention, and is a diagram showing a state of exposure for 60 seconds, and FIG.
- FIG. 27 is a figure explaining the detection result of the analyzer which concerns on embodiment of this invention It is a figure which shows the state exposed for 5 seconds.
- the biochemical reaction substrate 1 can accommodate a reaction plate 10 and has a cover 30 and a storage container 40.
- a substantially circular injection hole 31 is formed in the cover 30, and the injection hole 31 is arranged at a position corresponding to the reaction area 11 of the reaction plate 10 in a state where the reaction plate 10 is accommodated. It is configured.
- a concave heat retaining portion 43 is formed at the bottom of the storage container 40, and is configured so that a reaction area 11 can be heated by contact with a heater of an inspection apparatus described later.
- the storage container 40 stores a reaction plate storage 41 for storing the reaction plate 10 and an absorbent body 20 made of a porous material that can sufficiently absorb liquid such as sponge.
- An absorber housing portion 42 is formed. In the state where the reaction plate 10 and the absorber 20 are stored in the storage container 40, the tip of the flow path portion 12 formed in the reaction plate 10 is disposed so as to contact the absorber 20.
- the reaction plate 10 has a plate-like base portion 14 that can be fitted into the reaction plate storage portion 41 formed in the storage container 40 without any trouble, and is erected from the base portion 14.
- An outflow prevention wall 13 and a flow path portion 12 are provided.
- the outflow prevention wall 13 is a substantially annular wall, and the inside of the outflow prevention wall 13 is defined as a reaction area 11.
- a flow path portion 12 is formed that extends from the outer peripheral edge of the outflow prevention wall 13 and is formed so that the distance between the pair of side walls gradually decreases. .
- the flow path portion 12 is formed to drain a sample or the like dispensed to the reaction area 11 and absorb it by the absorber 20, and absorbs from the reaction area 11 by tilting the biochemical reaction substrate 1.
- the flow path portion 12 has an inclined surface 15 formed so as to climb up from the reaction area 11 so that the specimen or the like can be discharged without waste toward the body 20.
- the inclined surface 15 is preferably formed to be inclined by about 5 ° to 70 ° from the base portion 14.
- a more preferable angle of the inclination is 12 ° to 50 °, and a more preferable angle is 17 ° to 35 °.
- the preferred angle is 23 °.
- the base end on the reaction area 11 side of the flow path portion 12 is configured to be as wide as possible in order to smoothly guide a sample or the like on the reaction area 11 to the tip on the absorber 20 side.
- the inclined surface 15 is in contact with the absorber 20 at an acute angle.
- the reaction plate 10 used in the biochemical reaction substrate 1 according to the present embodiment has the outflow prevention wall 13 formed so as to surround the reaction area 11, and the channel portion 12 has the inclined surface 15. Therefore, in the allergy test, when the biochemical reaction substrate 1 is stirred, the sample etc. are prevented from flowing out from the reaction area 11, and also when the sample etc. is drained after the stirring, it is easy from the flow path section 12. It is possible to discharge the specimen and the like. Moreover, nonspecific adsorption
- synthetic polymers that are not derived from animals and plants such as polyethylene glycol can be used by general techniques, such as a material for the reaction plate 10, a target substance such as an antigen, a specimen such as blood, and a reagent such as a washing solution. It can be used by appropriately selecting depending on the nature of the.
- the storage container 40 may include a reaction plate storage portion 41 and an absorber storage portion 42. Further, the storage container 40 is a bottomed box-like member having an open end on the upper side, and when the rib 45 is formed on the inner wall of the absorber storage part 42, the absorber 20 is more reliably held. Is possible. Further, it is preferable that the reaction plate storage portion 41 has an opening 46 formed at a position corresponding to the reaction area 11 when the reaction plate 10 is placed. In addition, the container 40 can heat the reaction area 11 directly from the outside of the biochemical reaction substrate 1 through the opening 46.
- reaction plate storage unit 41 and the absorber storage unit 42 are connected to each other by a storage unit groove 44. Even if the sample leaks over the outflow prevention wall 13 due to stirring or the like, the sample is used for the reaction. It is comprised so that it can guide from the plate accommodating part 41 to the absorber accommodating part 42. FIG.
- the cover 30 is a member that closes the opening end of the storage container 40 described above and constitutes the outline of the biochemical reaction substrate 1, and extends from the outer peripheral edge of the top surface 36. It has a part 36a.
- an inner wall portion 32 is formed on the top surface 36 so as to hang down at a position corresponding to the outflow prevention wall 13 of the reaction plate 10. When the reaction plate 10 is housed in the biochemical reaction substrate 1, The inner wall portion 32 is in contact with the outflow prevention wall 13.
- an defining wall 37 extending downward from the top surface 36 is formed at a position corresponding to a continuous portion of the reaction plate storage portion 41 and the absorber storage portion 42 of the storage container 40.
- the defining wall 37 separates the reaction area 11 of the reaction plate 10 from the absorber 20.
- the inner wall portion 32 and the defining wall 37 are formed discontinuously with each other through the missing portion 33.
- the defective portion 33 When the inner wall portion 32 is extended to the portion of the defective portion 33, the defective portion 33 generates a minute gap between the outer periphery of the flow path portion 12 and the inner wall portion 32, and flows out due to a capillary phenomenon due to the presence of the gap. It is provided to prevent this because there is a risk of leaking outside from the reaction area of the prevention wall 13 or a sample or the like absorbed by the absorber 20 may flow back to the reaction area 11 side.
- the inner wall portion 32 may be formed with an adjustment missing portion 34 at an end portion in the longitudinal direction of the cover 30.
- an uneven slip prevention means 35 is formed on the outer peripheral side wall of the cover 30, so that the examiner can securely hold the biochemical reaction substrate 1 by the slip prevention means 35. It is configured. Also, ribs 38 may be formed on the inner wall of the side wall portion 36 a corresponding to the absorber housing portion 42, similarly to the absorber housing portion 42.
- a plurality of sets (for example, 3 spots / one set) of antigens 50 are arranged in a predetermined number of sets (for example, 156 spots / 52 sets) in the reaction area 11 of the reaction plate 10.
- the distance for each set is preferably 0.5 mm or more, more preferably 0.5 mm to 2.0 mm, still more preferably 0.8 mm to 1.6 mm, and preferably about 1.2 mm.
- an defining wall portion 37a formed in an approximately L shape so that the inner wall portion 32 and the defining wall 37 are continuous is formed.
- the inner wall missing part 33a may be formed on the inner wall 32 and the defined wall missing part 33b may be formed on the defined wall, so that the defined wall 37a, the inner wall 32 and the side wall 36a may be formed discontinuously. .
- the slope 15a formed in the flow path portion 12a of the reaction plate 10a it is preferable to form the slope 15a formed in the flow path portion 12a of the reaction plate 10a so that the specimen or the like is more easily discharged.
- the slope 15a is smoothly formed with a continuous portion with the reaction area 11 so that the specimen and the like can be discharged without waste, and the specimen is formed in the continuous portion between the reaction area 11 and the slope 15a. Etc. are prevented from staying.
- the cross-sectional shape of the inclined surface 15 a itself is configured to be a smooth curve, thereby preventing a specimen or the like from staying on the inclined surface 15 a.
- the antigens 50 arranged in the reaction area 11 are arranged so as to be concentrated in the center of the reaction plate 10 as shown in FIG. By adjusting the arrangement location of the antigen 50 in this manner, it is possible to shorten the time for immobilizing the antigen 50 on the reaction plate 10.
- the analyzer 101 includes a housing 104 having an operation panel 102, a reagent cartridge 113 described later, and a charging unit 103 for mounting the biochemical reaction substrate 1.
- the throw-in part 103 can be freely opened and closed by a construction door (not shown).
- the inside of the analyzer 101 is divided into a construction area 110, a barcode reading area 120, a dispensing area 130, a stirring area 140, a detection area 160 and a drainage area 150 arranged on the same straight line. It is made. Further, a moving table 116 guided by the guiding means 117 arranged on the same straight line is movably attached from the construction area 110 to the drainage area 150. Further, for example, in the stirring area 140 and the dispensing area 130, overlapping areas may be formed such that overlapping areas may occur in these areas.
- the moving table 116 includes a substrate holding portion 116a on which the reagent cartridge 113 is mounted and on which the biochemical reaction substrate 1 is mounted.
- a driving unit 118 extending substantially parallel to the guide means 117 is attached, and the driving unit 118 is provided with an annular band that is rotated by a driving source such as a motor (not shown).
- a driving source such as a motor (not shown).
- the erection area 110 is located on one end side (the left end in FIG. 13) of the guiding means 117.
- the reagent cartridge 113 and the biochemical reaction substrate 1 can be erected on the moving table 116 from the outside of the housing 104 via the input unit 103. It is comprised so that.
- the reagent cartridge 113 is configured to accommodate the specimen 111, the reaction reagent 112a, the cleaning liquid 112b, and the chip 132.
- the reaction reagent 112a and the cleaning liquid 112b are collectively referred to as “reagent 112”.
- the biochemical reaction substrate 1 includes the injection hole 31 that opens toward the reaction area 11 where the specimen 111 and the reagent 112 are dispensed, and the agitation of the biochemical reaction base 1 after dispensing the specimen 111 and the reagent 112.
- An absorber storage unit 42 for draining excess specimen 111 and reagent 112 later is provided.
- An absorber (not shown) is accommodated in the absorber accommodating portion 42, and is retained by the absorber so that excess specimen 111 and reagent 112 do not flow outside.
- the reagent for reaction is a reagent for reaction required for a detection, for example, a labeled antibody, a luminescent base material, etc. are said.
- the reaction reagent may be any reagent necessary for the reaction, and is not particularly limited to these specific examples. Further, the arrangement positions of the reaction reagent 112a and the cleaning liquid 112b can be determined as appropriate, and are not limited to the positions described in FIG.
- a heating unit 115 is attached to the substrate holding unit 116a on which the biochemical reaction substrate 1 is installed so as to correspond to the reaction area 11 of the biochemical reaction substrate 1.
- the reaction time is shortened by heating the reaction area to body temperature (for example, about 37 ° C.).
- the moving table 116 is moved along the guide means 117 to the barcode reading area 120.
- a barcode reader 121 is attached to the barcode reading area 120, and the barcode printed on the side wall of the reagent cartridge 113 and the biochemical reaction substrate 1 is read by the barcode reader 121.
- Reagent information such as reagent, reagent expiration date and lot, calibration curve knowledge information, etc. is read by the analyzer 101.
- the dispensing area 130 includes a dispensing nozzle 131 that is attached so as to be movable in a direction substantially perpendicular to the guiding means 117.
- the dispensing nozzle 131 is a member that sucks and discharges the specimen 111 and the reagent 112 stored in the reagent cartridge 113 and dispenses the specimen 111 and the reagent 112 to the biochemical reaction substrate 1.
- the position of the tip 132 accommodated in the reagent cartridge 113 is directly below the dispensing nozzle 131.
- the dispensing nozzle 131 is lowered and the tip 132 is fitted to the tip of the dispensing nozzle 131.
- the position where the sample 111, the reagent 112, etc. of the moving table 116 is stored is moved so as to be directly below the dispensing nozzle 131.
- the sample 111 or the reagent 112 is aspirated.
- the moving table 116 is moved so that the injection hole 31 of the biochemical reaction substrate 1 is positioned directly below the dispensing nozzle 131, and the aspirated sample 111 and the reagent 112 are moved. Are dispensed into the reaction area 11 through the injection hole 31 of the biochemical reaction substrate 1.
- the used chip 132 is separated from the dispensing nozzle 131 and returned to a predetermined position of the reagent cartridge 113. At this time, since it is not necessary to provide a position for collecting the used chip 132 by returning the used chip 132 to the original position, the size of the reagent cartridge 113 can be reduced and the used chip 132 can be reduced. The chip 132 can be reliably collected.
- the stirring area 140 is located between the dispensing area 130 and the barcode reading area 120. As shown in FIG. 18, the moving table 116 is moved back and forth in the stirring area 140 along the guide means 117. The poured specimen 111 and reagent 112 are appropriately stirred. At this time, the dispensing nozzle 131 and a detection camera 161, which will be described later, are configured to retract upward so as not to interfere with the moving table 116 during stirring.
- the stirring speed may be any speed as long as the specimen 111 and the reagent 112 can be stirred reliably. For example, the speed at which the specimen 111 and the reagent 112 can be moved about 60 to 160 times with a swing width of 1 cm per minute.
- the mobile table is preferably stirred at a stirring speed of about 100 to 160 times, and more preferably the mobile table is stirred at a stirring speed of about 120 to 160 times. Optimally, the moving table is stirred at a stirring speed of about 140 times.
- the moving table 116 is moved to the drainage area 150, and the excess specimen 111 and reagent 112 are stored in the absorber 20 stored in the absorber storage section 42 of the biochemical reaction substrate 1. Absorb and drain.
- the drainage area 150 is disposed at the other end of the guiding means 117, and a stopper 152 is attached to the end of the guiding means 117 as shown in FIG.
- the moving table 116 includes a tilting mechanism that tilts the base body holding portion 116a at a predetermined angle when reaching the drainage area 150.
- the tilt angle by the tilt mechanism may be formed to any extent as long as smooth drainage can be performed.
- the tilt angle may be changed from the reaction area 11 in the biochemical reaction substrate 1 to the absorber housing portion.
- 42 can be used in the range of 90 ° from the same angle as the inclined surface 15 formed between 42, but is preferably configured to be inclined at 23 ° or more, more preferably 30 ° to 70 °. It is preferable to be configured so as to incline to 30 °, more preferably to be inclined from 30 ° to 60 °, and most preferably to be inclined to 50 °.
- An inclination cam 151 is attached to the base body holding portion 116a, and as shown in FIG. 21, when the moving table 116 moves to the drainage area 150, the stopper 152 attached to the end of the guide means 117 is inclined. The cam 151 abuts. Then, as shown in FIG. 22, when the moving table 116 is further moved to the stopper 152 side, the tilt cam 151 rotates about the rotation shaft 155 and the roller 154 attached to the tip of the tilt cam 151 moves upward. Move to lift up. By the movement of the roller 154, the substrate holding portion 116a is lifted with the rotating shaft 153 as a fulcrum as shown in FIG.
- the roller 154 is attached to the tip of the tilt cam 151, the base body holding portion 116a can be tilted smoothly.
- the moving table 116 is moved to a detection area 160 described later.
- the contact between the stopper 152 and the tilting cam 151 is released, so that the tilt of the base body holding portion 116a is also released at the same time.
- the upper surface of the moving table 116 and the base body holding part 116a returns to a substantially horizontal state.
- the detection area 160 includes a detection camera 161, a moving mechanism 165 that moves the detection camera 161 up and down in a direction substantially perpendicular to the guide unit 117, and a first cylinder 164 and a second cylinder 163 that move up and down together with the detection camera 161. ing.
- a light shielding portion 162 is attached to the tip of the second cylinder 163, and reacts so as to shield the injection hole 31 of the biochemical reaction substrate 1 when the detection camera 161 is moved to the lower end by the moving mechanism 165.
- the area 11 can be covered.
- the first tube 164 is fitted with the second tube 163 while the detection camera 161 is attached to the upper end.
- the fitting portion between the first cylinder 164 and the second cylinder 163 is assembled so as to be shielded from light through an O-ring (not shown) and the like, and held together by the elastic force of the O-ring.
- the first cylinder 164 and the second cylinder 163 are adjusted in order to adjust the distance between the reaction area 11 of the biochemical reaction substrate 1 and the detection camera 161.
- An adjustment mechanism that is movable relative to each other is provided, and this adjustment mechanism is configured by interposing the O-ring described above.
- the adjustment mechanism is configured such that the first cylinder 164 and the second cylinder 163 are attached to each other by the O-ring. Therefore, the second cylinder 163 slides up and down on the contact surface of the O-ring, It can move up and down with respect to the first tube 164.
- the detection camera 161 is lowered, and the light shielding portion 162 provided at the tip of the detection camera 161 is used. And is shielded from outside light from outside the biochemical reaction substrate 1 and the analyzer 101. In this state, it is possible to detect the presence or absence of an allergic reaction by detecting the presence or absence of light emission of the labeled antibody after the elapse of a predetermined reaction time.
- the luminescence of the labeled antibody is performed by reacting the luminescent substrate for a predetermined time under a predetermined environmental condition because the luminescent substrate that is visualized by emitting the labeled anti-IgE antibody is dispensed as a reagent (reaction reagent). A biochemical reaction is performed in the area, and the intensity of this luminescence is measured by the detection camera 161.
- the dispensing nozzle 131 and the detection camera 161 are configured to move up and down together with the second cylinder 163, the first cylinder 164, and the light shielding portion 162, and the position of the biochemical reaction substrate 1 can be moved.
- the cover and the moving mechanism from becoming larger than the mechanism that moves the light shielding unit and the cover while the detection camera 161 is fixed, thereby contributing to the overall size reduction of the analyzer 101. It becomes.
- it is desirable that the distance between the biochemical reaction substrate 1 to be detected and the detection camera 161 is fixed to a certain distance in order to perform measurement accurately.
- the analysis apparatus 101 moves the detection camera 161 itself up and down, thereby suppressing the space of the dark room structure and reducing the size of the moving mechanism.
- the second cylinder 163 is arranged inside the first cylinder 164 and the light shielding part 162 is attached to the tip of the second cylinder 163, the light shielding part 162 is brought into close contact with the biochemical reaction substrate 1, thereby shielding the light.
- the light shielding can be performed in a space that is a little larger or substantially equal to cover the entire top plate area of the biochemical reaction substrate 1 or small enough to cover the injection hole 31, and the moving mechanism can be downsized.
- a movement mechanism in various directions is required in the analyzer, such as movement of the dispensing nozzle 131, tilting of the substrate holding part 116a, and movement of the barcode reader 121 and the like in accordance with the biochemical reaction substrate 1.
- the analyzer 101 arranges the installation area 110, the dispensing area 130, the stirring area 140, the drainage area 150, and the detection area 160 in the same straight line, and moves between the areas.
- the analyzer 101 is downsized by integrating the movement mechanism of the chemical reaction substrate 1 into one axis.
- the sensitivity of the test is increased and the test time is shortened, the necessary amount of blood as a sample is reduced, and the number of test steps is easily reduced. It is possible to perform inspections, and it is possible to reduce the risk of infection of the inspector and to arrange the installation area, dispensing area, stirring area, drainage area, and detection area on the same straight line. All processes can be performed only by the upward movement, and the entire apparatus can be reduced in size.
- the luminescence is strong when the exposure time is 60 seconds.
- the analyzer 101 performs imaging at exposure intervals of 5 seconds, 20 seconds, and 60 seconds. As a result, after 60 seconds, the emission of antigen B strongly affects the detection performance. As shown in FIG. 26, when the exposure time is 20 seconds, the emission of antigen B is in a state of appropriate intensity. For this reason, the detection performance of the antigen B is ensured by using a detection result with an exposure time of 20 seconds. Furthermore, in the analyzer 101 in this embodiment, as shown in FIG. 27, the exposure time is also taken for 5 seconds, but for the current antigens A to C, the light emission is weak in 5 seconds. there were. However, for antigens with strong luminescence, the detection performance of the analyzer 101 can be further improved by using a detection result with an exposure time of 5 seconds.
- reaction plate 10 used for the biochemical reaction substrate 1 a transparent or colored plate can be used, but it is possible to measure with higher sensitivity by using black.
- the range of the blocking agent applied to the reaction plate 10 is not limited to the reaction area 11 and the inclined surface 15 including the inside of the outflow prevention wall 13, and the non-specific adsorption can be achieved by making the inside of the flow path portion 12. Can be suppressed.
- the tilt direction by the tilt mechanism used in the analyzer 101 according to the present embodiment has been described with reference to FIG. 19, but is not limited to tilt in a direction perpendicular to the guide means 117, and the tilt cam
- the guide unit 117 may be inclined in the horizontal direction depending on the position 151 or the position of the rotary shaft 153.
- the reagent cartridge 113 may be a collection of all the reagents and samples used for measurement, or two or more reagent cartridges may be used depending on the application. It is apparent from the description of the scope of claims that embodiments with such changes or improvements can be included in the technical scope of the present invention.
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Abstract
Description
Claims (13)
- 生化学反応用基体であって、
反応用プレート、吸収体、前記反応用プレートを収納するための反応用プレート収納部及び前記吸収体を収納する吸収体収納部並びに被保温部を備えた収納容器及び前記収納容器に収納された前記反応用プレート及び前記吸収体の少なくとも一部を覆うように前記収納容器に組付けられるカバーを備え、
前記反応用プレートは、検体中の被験物質に特異的に反応する特異結合物質が固定化される反応エリアと、前記吸収体と前記反応エリアとを連絡する流路部を有し、
前記カバーは、検体等を前記反応用プレートへ注入するための注入孔を備えることを特徴とする生化学反応用基体。 - 請求項1に記載の生化学反応用基体において、
前記反応用プレートは、前記反応エリアを囲むように形成された流出防止壁が前記流路部と連続して形成されていることを特徴とする生化学反応用基体。 - 請求項2に記載の生化学反応用基体において、
前記カバーは、前記流出防止壁の少なくとも一部の外周縁に沿って前記反応用プレートに当接する内壁部を備えることを特徴とする生化学反応用基体。 - 請求項3に記載の生化学反応用基体において、
前記内壁部は、前記流路部に近接する吸引防止用欠損部が形成され、
前記反応用プレート収納部は、前記吸収体収納部と連続する収納部溝が形成されていることを特徴とする生化学反応用基体。 - 検体と試薬との反応を分析する分析装置であって、
前記検体と前記試薬が収容される試薬カートリッジ並びに前記検体と前記試薬を分注する生化学反応用基体を架設する架設エリアと、前記生化学反応用基体に前記検体及び/又は前記試薬を分注する分注エリアと、分注された前記検体及び/又は前記試薬を撹拌混合する撹拌エリアと、前記撹拌混合された前記検体及び前記試薬を排液する排液エリアと、前記生化学反応用基体における前記検体と前記試薬との反応を検出する検出エリアとを備え、
前記架設エリア、前記分注エリア、前記撹拌エリア、前記排液エリア及び前記検出エリアが同一直線上に配列されることを特徴とする分析装置。 - 請求項5に記載の分析装置において、
前記同一直線に沿って配置される案内手段と、前記案内手段によって案内される移動テーブルを備えることを特徴とする分析装置。 - 請求項5又は6に記載の分析装置において、
前記架設エリアと前記排液エリアはそれぞれ前記同一直線のいずれかの端部に配置されることを特徴とする分析装置。 - 請求項6又は7に記載の分析装置において、
前記撹拌エリアは、前記移動テーブルを前記同一直線に沿って往復移動させて加振することを特徴とする分析装置。 - 請求項5から8のいずれか1項に記載の分析装置において、
前記分注エリアは、前記同一直線と略垂直な方向に移動可能な分注ノズルを備えることを特徴とする分析装置。 - 請求項5から9のいずれか1項に記載の分析装置において、
前記排液エリアは、前記同一直線の端部に形成されたストッパを備え、該ストッパに当接することで前記生化学反応用基体を傾斜させる傾斜機構を備えることを特徴とする分析装置。 - 請求項5から10のいずれか1項に記載の分析装置において、
前記検出エリアは、前記生化学反応用基体を遮光する遮光部と、前記生化学反応用基体表面を検出する検出カメラとを備え、
前記検出カメラは前記同一直線と略垂直な方向に移動せしめる移動機構を備えることを特徴とする分析装置。 - 請求項11に記載の分析装置において、
前記遮光部は、前記検出カメラと共に前記移動機構によって移動し、前記検出カメラから前記遮光部の端部の距離を調整可能な調整機構を備えることを特徴とする分析装置。 - 請求項12に記載の分析装置において、
前記調整機構は、一端に前記検出カメラを取り付けた第1の筒と、前記第1の筒に組み付けられる第2の筒を備えることを特徴とする分析装置。
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| CN201980011323.1A CN112005116B (zh) | 2018-02-02 | 2019-02-01 | 生化反应用基体以及分析装置 |
| CN202411095883.9A CN119044475A (zh) | 2018-02-02 | 2019-02-01 | 生化反应用基体以及分析装置 |
| EP19747069.3A EP3748360B1 (en) | 2018-02-02 | 2019-02-01 | Biochemical reaction substrate and analysis device |
| JP2019569602A JP7121760B2 (ja) | 2018-02-02 | 2019-02-01 | 生化学反応用基体及び分析装置 |
| CN202411096003.XA CN119044476A (zh) | 2018-02-02 | 2019-02-01 | 生化反应用基体以及分析装置 |
| EP25172244.3A EP4571312A3 (en) | 2019-02-01 | Biochemical reaction substrate and analyzer | |
| US16/966,765 US12085560B2 (en) | 2018-02-02 | 2019-02-01 | Biochemical reaction substrate with sloping flow passage to absorber and analyzer therefore |
| ES19747069T ES3035098T3 (en) | 2018-02-02 | 2019-02-01 | Biochemical reaction substrate and analysis device |
| JP2022010697A JP7096954B2 (ja) | 2018-02-02 | 2022-01-27 | 分析装置 |
| JP2022101926A JP7121873B1 (ja) | 2018-02-02 | 2022-06-24 | 反応用プレート |
| US18/796,012 US20240426818A1 (en) | 2018-01-10 | 2024-08-06 | Biochemical reaction substrate and analyzer |
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| US18/796,012 Continuation US20240426818A1 (en) | 2018-01-10 | 2024-08-06 | Biochemical reaction substrate and analyzer |
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| WO2025206266A1 (ja) * | 2024-03-29 | 2025-10-02 | 日本ケミファ株式会社 | 反応用プレート |
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| JP2022118238A (ja) | 2022-08-12 |
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| EP3748360A4 (en) | 2021-11-03 |
| JP2023090990A (ja) | 2023-06-29 |
| JP2022044763A (ja) | 2022-03-17 |
| EP3748360B1 (en) | 2025-05-28 |
| JP7121760B2 (ja) | 2022-08-18 |
| EP4571312A2 (en) | 2025-06-18 |
| JP7624028B2 (ja) | 2025-01-29 |
| JPWO2019151468A1 (ja) | 2021-01-14 |
| CN119044475A (zh) | 2024-11-29 |
| ES3035098T3 (en) | 2025-08-28 |
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