WO2006046716A1 - 反応容器 - Google Patents
反応容器 Download PDFInfo
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- WO2006046716A1 WO2006046716A1 PCT/JP2005/019933 JP2005019933W WO2006046716A1 WO 2006046716 A1 WO2006046716 A1 WO 2006046716A1 JP 2005019933 W JP2005019933 W JP 2005019933W WO 2006046716 A1 WO2006046716 A1 WO 2006046716A1
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- Prior art keywords
- liquid
- reaction vessel
- tube
- holding member
- reaction
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Classifications
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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
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- 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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- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
- B01L3/502746—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by the means for controlling flow resistance, e.g. flow controllers, baffles
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- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
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- 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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- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/68—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids
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- B01L2300/069—Absorbents; Gels to retain a fluid
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- B01L2300/08—Geometry, shape and general structure
- B01L2300/0832—Geometry, shape and general structure cylindrical, tube shaped
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01L2300/18—Means for temperature control
- B01L2300/1877—Means for temperature control using chemical reactions
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- B01L2400/04—Moving fluids with specific forces or mechanical means
- B01L2400/0403—Moving fluids with specific forces or mechanical means specific forces
- B01L2400/0406—Moving fluids with specific forces or mechanical means specific forces capillary forces
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
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- 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
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- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2400/00—Moving or stopping fluids
- B01L2400/06—Valves, specific forms thereof
- B01L2400/0694—Valves, specific forms thereof vents used to stop and induce flow, backpressure valves
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- B01L2400/084—Passive control of flow resistance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
- B01L3/50273—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by the means or forces applied to move the fluids
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/81—Packaged device or kit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S436/00—Chemistry: analytical and immunological testing
- Y10S436/807—Apparatus included in process claim, e.g. physical support structures
- Y10S436/81—Tube, bottle, or dipstick
Definitions
- the present invention relates to a disposable reaction container used in an immunoassay.
- An immunoassay is a measurement method using an antigen-antibody reaction and is used for detection and quantification of various substances.
- This immunoassay method is roughly divided into a competitive reaction method and a non-competitive reaction method, and BF separation of antigen-antibody reaction conjugate (B: Bound Form) and non-binding unreacted (F: Free Form), respectively. It is divided into the heterogeneous method and the BF separation! And the homogenous method.
- the heterogeneous method there are a liquid phase method in which an antigen'-antibody reaction is carried out in a liquid phase, and a solid phase method in which the reaction is carried out between a solid phase and a liquid phase.
- a non-competitive reaction method particularly a heterogeneous solid-phase method such as a sandwich method is often applied rather than a competitive reaction method in terms of excellent detection sensitivity.
- an antibody against the antigen to be measured is bound to a solid-phased carrier, and a sample solution containing the antigen to be measured is added thereto, An antigen-antibody reaction (first reaction) in which the antigen specifically binds to the antibody is caused, and then washing for removing contaminant components is performed. Then, for example, an enzyme-labeled antibody conjugated with an enzyme is added as a labeling substance to cause an antigen-antibody reaction (second reaction), thereby binding the enzyme-labeled antibody to the antigen bound to the solidified carrier. Thereafter, washing for BF separation is performed!
- an enzyme reaction is carried out by adding a reagent containing a chromogenic substrate or a luminescent substrate, and reacting.
- the amount of antigen is detected by measuring absorbance and luminescence.
- an antigen is measured by a competitive-heterogeneous method
- an antibody against the antigen to be measured is bound to a solid-phase support, and a sample liquid containing the antigen to be measured is labeled with this antigen.
- a labeled antigen to which a substance is bound is added simultaneously, and an antigen-antibody reaction is performed in which it reacts competitively with an antibody on a solid-phase support.
- the antigen to be measured and the labeled antigen are bound to the solid phase support according to the ratio of the respective amounts.
- Perform BF separation and enzyme reaction in the same way as the Dutch method. Since the enzyme activity at this time is determined by the amount of bound labeled antigen, the amount of antigen to be measured is measured using a calibration curve based on the amount of labeled antigen added.
- Patent Document 1 and Patent Document 2 describe a reaction container for use in the enzyme immunoassay as described above.
- the reaction vessel described in Patent Document 1 has a structure in which a water-permeable partition wall is provided at the upper and lower ends of a capillary capillary and fine particles are filled between these partition walls. Then, with the antigen or antibody bound to the microparticles, the test solution is filled into the tubule to cause an antigen-antibody reaction.
- the reaction container described in Patent Document 2 is also the same, and has a structure in which fine particles bound with an antigen or an antibody are filled in a thin tube. In the case of Patent Document 2, fine particles are kept immersed in the preservation solution, while a discharge hole whose tip is closed communicates with the downstream side of the narrow tube, and the discharge hole is opened for inspection. It is opened to allow the storage solution and test solution to pass through.
- Patent Document 1 Japanese Patent Application Laid-Open No. 62-169055
- Patent Document 2 Japanese Patent No. 2515392
- reaction containers such as Patent Document 1 and Patent Document 2
- sample liquid, reagent liquid, and cleaning liquid injected into a narrow tube at the time of inspection are removed from the thin tube each time after a predetermined process such as reaction or cleaning. It is necessary to discharge.
- these liquids discharged from the narrow tubes are stored in a tank outside the reaction vessel to prevent secondary contamination.
- connecting parts such as hoses and pipes for transferring the liquid to the tank, as well as a pump or aspirator that sucks the liquid and generates a liquid flow. Therefore, the inspection apparatus is complicated.
- connecting the connecting parts is troublesome.
- the liquid since the liquid is injected into the narrow tube and the liquid is flown down by the pressure or suction force of a pump or aspirator, there is a problem that the control that makes it difficult to adjust the liquid flow becomes complicated.
- the present invention has been made in view of such problems, and has a structure in which a liquid to be measured, a reagent liquid, a cleaning liquid, or the like injected into a narrow tube is held inside, Connecting member
- a liquid to be measured, a reagent liquid, a cleaning liquid, or the like injected into a narrow tube is held inside, Connecting member
- the object is to provide a reaction vessel that can be easily controlled as it is unnecessary.
- the reaction container of the present invention is a disposable reaction container for immunoassay; it has a liquid supply port at one end, and a solid state to which either antibody or antigen is bound.
- the liquid flow control mechanism includes at least liquid suction force control of the liquid absorption member and liquid flow rate control in the communication path.
- an idle space is formed on the upstream side of the arrangement area of the liquid absorption holding member in the waste liquid recovery pipe.
- a vent hole is formed on the upstream side of the area where the liquid absorption holding member is disposed in the waste liquid collection pipe, and the vent hole can be sealed with a sealant, or the liquid supply port
- the liquid-absorbing member can be sealed with a sealing material, and the liquid-absorbing member is preferably a member having an endothermic effect when the water-containing liquid is absorbed.
- the liquid to be measured, the cleaning liquid, the labeled antibody liquid, the luminescent substrate, the chromogenic substrate, or the chromogenic substrate or the chromogenic tube based on various immunoassay methods are applied to the capillary tube filled with the solid phase carrier particles.
- a reaction reagent such as a fluorescent substrate
- light is emitted or color develops in a capillary tube filled with solid phase carrier fine particles. Therefore, the substance in the liquid to be measured can be identified and quantified by measuring the amount of luminescence, absorbance, fluorescence intensity, and the like.
- the liquid absorbing member sucks the liquid injected into the narrow tube. It is structured to prevent secondary contamination by storing it in the waste liquid collection pipe. For this reason, it is not necessary to provide a tank for preventing secondary contamination outside the reaction vessel, and it is not necessary to provide a connecting part for connecting the tank photometer and the reaction vessel. In addition to the structure, connection work for preventing secondary contamination is unnecessary, and measurement can be performed easily.
- the liquid flow control mechanism is provided to control the liquid flow in the narrow tube, it is not necessary to adjust the suction force, the control becomes easy, and an external device such as a pump is provided. No need for suction means or liquid feeding control means for photometric device, and a simpler structure can be achieved.
- FIG. 1 is a cross-sectional view showing an example of a reaction vessel in a first embodiment of the present invention.
- FIG. 2 is a cross-sectional view showing an example of a reaction vessel in a second embodiment of the present invention. Explanation of symbols
- FIG. 1 shows a reaction vessel 1 according to a first embodiment of the present invention, which includes a thin tube 2 and a waste liquid recovery tube 3, and has a liquid flow control mechanism.
- This reaction container 1 is used for an immunoassay (imunoassay), and after being used for the immunoassay, it is disposable that can be disposed of by autoclaving or incineration.
- an immunoassay applicable to the reaction container 1 of this embodiment an immunoreaction is used to measure qualitatively, quantitatively, or semiquantitatively the antigen (including hapten antigen) or antibody to be measured. Any method can be applied.
- the immunoassay include, for example, solid-phase enzyme immunoassay (ELISA: Enzyme-linked Immunosorbent Assay, FEIA: Fluorescent Enzyme Immunoassay), bioluminescent enzyme immunoassay Enzyme Immunoassay (EIA) such as CLEIA (Chemiluminescent Enzyme Immunoass ay), Bioluminescent Enzyme Immunoassay (BLEIA), and V-fluorescence immunoassay (E) Examples include FIA (Fluorescent Immunoassay), chemiluminescent immunoassay (CLIA), and bioluminescent immunoassay (BLIA).
- ELISA Enzyme-linked Immunosorbent Assay
- FEIA Fluorescent Enzyme Immunoassay
- EIA Bioluminescent enzyme immunoassay Enzyme Immunoassay
- CLEIA Chemiluminescent Enzyme Immunoass ay
- the narrow tube 2 is formed by a main body 2a as an enzyme reaction site and a measurement site, and a liquid supply unit 2b integrally provided at one end (upper end) of the main body 2a, and is transparent or translucent.
- the whole is formed of a light-transmitting material such as a glass tube or a resin tube.
- the liquid supply part 2b is formed to have a somewhat larger diameter than the main body part 2a, and a liquid supply port 4 is formed by opening one end (upper end) thereof. Liquids such as the liquid to be measured and cleaning liquid are injected from the liquid supply port 4, and the injected liquid flows down from the liquid supply part 2b to the main body part 2a.
- the inner diameter and length of the liquid supply part 2b and the inner diameter and length of the main body part 2a are the amount and viscosity of the liquid to be measured.
- the liquid supply part 2b is set, for example, to an inner diameter of about 5 to 7 mm and a length of about 10 to 15 mm when used in an ELISA method.
- the inner diameter is about 2.5 to 3. Omm and the length is about 25 to 30 mm.
- the main body 2a is filled with solid phase carrier fine particles 5.
- water-permeable partition walls 6 and 7 are provided at both ends (upper and lower ends) in the length direction inside the main body 2a, and the solid-phase carrier fine particles 5 are located between these partition walls 6 and 7. Filled.
- the partition walls 6 and 7 may have any water permeability material such as a water permeable membrane filter material or a glass wool filter material. By performing such filling, it is possible to prevent the solid-phase carrier fine particles 5 from leaking out of the thin tube 2.
- the partition wall 7 can also function as a member constituting the liquid flow control mechanism by adjusting its thickness, pore size, and the like.
- the solid-phase carrier fine particles 5 perform an immune reaction with the solution to be measured, and are in a state in which one of the antibody and the antigen is bound. That is, when measuring an antigen, an antibody that reacts with the antigen is bound, and when measuring an antibody, an antigen corresponding to the antibody is bound.
- a hapten is also referred to as an antigen.
- glass beads or polystyrene beads can be suitably used, and porous beads (porous carriers) can also be used.
- the average particle diameter of these fine particles is adjusted so that the surface area in the total amount filled in the main body 2a is as large as possible, and is appropriately selected within the range of, for example, a diameter of 100 to 250 / ⁇ ⁇ .
- Such binding of antibodies or antigens to microparticles can be performed by conventional immunoassay methods such as physical adsorption and covalent bonding.
- surface treatment of the fine particles can be performed in advance.
- the surface treatment for example, when the fine particles are glass beads, they are washed with pure water or alcohol, dried, then sonicated in an organic solution of silanes, and then washed. Can be done. Further, in place of or in addition to silanesilylation, amino group silane treatment or carboxyl treatment can also be performed.
- an antigen or antibody is bound and subjected to a blocking treatment for use in an immunoassay.
- the blocking treatment can be any blocking agent or blocking agent as long as it can prevent non-specific adsorption due to proteins or polypeptides other than the antigen or antibody to be measured.
- albumin for example, in addition to albumin, skim milk, gelatin, and casein, commercially available blocking agents can be used.
- the waste liquid recovery pipe 3 is coaxially connected to an end (lower end) opposite to the liquid supply port 4 in the main body 2a.
- the waste liquid recovery pipe 3 has a connection port 10 that fits an external force at the lower end of the main body 2a.
- the connection port 10 is fitted to the main body 2a, the waste liquid recovery pipe 3 is connected to the narrow pipe 2. Is done.
- the connected waste liquid recovery pipe 3 is processed and operated integrally with the thin pipe 2 until it is discarded after the measurement of the force at the start of measurement.
- the waste liquid collection tube 3 is formed into a bottomed cylindrical shape using glass, resin, or the like.
- the waste liquid recovery pipe 3 sucks and stores the liquid injected into the narrow pipe 2, and therefore the waste liquid recovery pipe 3 and the thin pipe 2 communicate with each other so that the liquid moves to the waste liquid recovery pipe 3. It has become.
- This communication is performed by forming a through hole in the substantially central portion of the bottom surface of the thin tube 2 and forming a through hole corresponding to the through hole in the upper end portion of the waste liquid collecting tube 3.
- These through holes are formed to have the same diameter, and the communication path 11 is formed by the communication between the through hole of the thin tube 2 and the through hole of the waste liquid recovery tube 3.
- a vertically long space 15 is formed inside the waste liquid recovery pipe 3, and a liquid absorbing member 13 for sucking the liquid injected into the thin pipe 2 is provided in this space.
- the liquid absorbing member 13 includes a liquid absorbing holding member 14 supported on the bottom side of the space 15, and a guiding member spanned between the liquid absorbing holding member 14 and the communication path 11 described above. It consists of twelve.
- the liquid absorption holding member 14 and the guide member 12 for example, cloth, non-woven fabric, fibrous paper material, or the like that can suck and hold liquid by capillary force can be used.
- the materials for the liquid absorption holding member 14 and the induction member 12 include, for example, polyvinyl alcohol, polyacrylate, vinyl acetate, acrylate, A highly water-absorbent resin that is made of a hydrophilic resin such as starch and acrylic acid graft system and swells by liquid absorption can also be used. You may comprise the material cover which combined the water-absorbent resin material and the natural material.
- a crosslinked body, a porous body, a porous crosslinked body of the above-described hydrophilic resin, and the like can be used.
- the liquid-absorbing holding member 14 includes all of the liquid to be measured and the cleaning liquid injected into the thin tube 2 for measurement.
- the size of the liquid is set so that it can absorb and hold all liquids.
- the guide member 12 extends in the length direction in the space 15 in a state where the upper end portion is in contact with the lower surface portion of the communication path 11, and the lower end portion of the guide member 12 is inserted into the liquid absorption holding member 14, thereby connecting the communication path. It acts to suck the liquid from 11 and guide it to the liquid absorption holding member 14.
- the waste liquid collection tube 3 needs to prevent light from leaking and becoming noise. It is configured to have sex. For this purpose, for example, it is preferable to use a structure in which the entire waste liquid collection tube 3 is black or the periphery of the waste liquid collection tube 3 is covered with a light shielding sheet.
- the absorbance or fluorescence intensity of the liquid in the communication path 11 can be measured in addition to the luminescence measurement in the main body 2a of the thin tube 2. In this case, the waste liquid recovery can be performed.
- the tube 3 needs to have translucency, and for this reason, a transparent material is used for the waste liquid collection tube 3. That is, the waste liquid collection tube 3 is selected depending on the measurement mode, whether it is light-transmitting or force-transmitting.
- a play space 17 is provided above the space 15 in which the liquid absorption holding member 14 is set.
- the play space 17 is located above the space 15 and thus is located upstream of the arrangement area of the liquid suction holding member 14.
- the play space 17 is formed upstream of the liquid absorption holding member 14. Since the liquid is provided, the liquid can be held inside the waste liquid collection pipe 3, and safety is improved.
- the liquid absorption holding member 14 made of a material including a highly water absorbent resin material that swells due to liquid absorption and retains moisture at a weight ratio of several times or more is used. The volume is expected to swell.
- a vent hole 19 is formed in the side surface portion of the waste liquid collection pipe 3.
- the vent hole 19 is used to set the pressure inside the waste liquid collecting pipe 3 to normal pressure, so that the liquid can naturally flow through the communication path 11.
- the vent hole 19 is formed so as to be located above the liquid absorption holding member 14, that is, upstream of the liquid absorption holding member 14, so that even if the liquid absorption holding member 14 overflows, the passage It is possible to prevent leakage from the pores 19 to the outside.
- the liquid flow control mechanism controls the liquid flow in the narrow tube 2 so as to adjust the liquid to be held in the thin tube 2 for a predetermined time.
- the communication path 11 and the liquid absorbing member 13 are involved.
- the diameter of the communication path 11 can be changed according to the viscosity of the liquid to adjust the liquid passing speed in the communication path 11, the suction force of the liquid absorbing member 13, or the like. May be combined to control the liquid flow.
- the liquid absorbing member 13 including the guide member 12 and the liquid absorbing holding member 14 described above, a material having an endothermic action when absorbing the water-containing liquid can be used.
- this material water-absorbing fibers containing xylitol, erythritol and the like can be used.
- the liquid absorbing member 13 may have a structure in which potassium nitrate, potassium chloride salt, ammonium nitrate, and urea that absorb heat when absorbing a water-containing liquid are held therein.
- the liquid absorbing member 13 absorbs heat by absorbing the water-containing liquid as described above, the space 15 in the waste liquid collecting pipe 3 is in a reduced pressure state, so that the liquid in the narrow pipe 2 is smoothly absorbed through the communication path 11. It can be absorbed by the liquid member 13. In this way, the liquid absorbing member 13 has an endothermic action, and the liquid absorption speed in the communication path 11 is changed by this endothermic action, so the liquid absorbing member 13 having the liquid absorbing function also functions as a liquid flow control mechanism. It becomes like this.
- a sealing material 21 is pasted on the waste liquid collection pipe 3 around the vent hole 19. It is also possible to block by sticking.
- the sealing material 21 seals the air holes 19 with an adhesive, and can be peeled off and re-adhered as appropriate. Therefore, in the measurement, the sealing material 21 is peeled off so that the inside of the waste liquid collecting pipe 3 is in a normal pressure state, and the air hole 19 is sealed with the sealing material 21 after collecting the liquid used for the measurement. It becomes possible. As a result, when the reaction vessel 1 is discarded, it is possible to prevent the secondary contamination that the liquid does not flow out through the vent hole 19, and it is possible to achieve higher safety.
- the sealing material 23 is peeled off so that liquid can be injected from the liquid supply port 4. After the measurement is completed, the liquid supply port 4 is blocked by the sealing material 23, so that the reaction vessel 1 can be discarded. It is possible to improve the safety that liquid does not leak from the liquid supply port 4.
- FIG. 2 shows a reaction vessel 31 according to the second embodiment of the present invention. Also in this embodiment, it has a thin tube 2, a waste liquid recovery tube 3 connected to the lower end of the thin tube 2, and a liquid flow control mechanism.
- the outer diameter of the narrow tube 2 and the waste liquid recovery tube 3 are substantially the same, and the outer surface has no irregularities, so that the handleability and storage stability are improved.
- the thin tube 2 is composed of a main body portion 2a as an enzyme reaction site and a measurement site, and a liquid supply portion 2b integrally provided at the upper end of the main body portion 2a, and is entirely made of a translucent material. It is formed.
- a fine particle storage chamber 33 is formed in the upper part of the main body 2a of the thin tube 2 and the fine particle storage chamber 33 is filled with the same solid phase carrier fine particles 5 as in the first embodiment.
- the upper and lower ends of the fine particle storage chamber 33 are provided with the water-permeable partition walls 6 and 7 as in the first embodiment, so that the solid phase carrier fine particles 5 are prevented from leaking out of the thin tube 2.
- the main body portion 2a of the thin tube 2 is formed with a sub-measurement portion 35 extending so as to extend downward from the fine particle storage chamber 33, and the sub-measurement portion 35 has a light-transmitting property.
- Drain tube 34 is inserted.
- the drain tube 34 is inserted into the sub-measurement unit 35 with a downward force so that the upper end abuts against the partition wall 7, so that the drain tube 34 is in communication with the particulate storage chamber 33. . By this communication, the liquid that has passed through the particulate storage chamber 33 can enter the drain tube 34.
- light emission and color development due to an enzyme reaction can be measured in the fine particle storage chamber 33 (that is, the main body portion 2a) filled with the solid phase carrier fine particles 5.
- the degree of color development V Can be measured by the sub-measurement unit 35.
- the drain tube 34 is extended so as to be exposed downward from the lower end of the main body portion 2a, and the extended portion 34b is inserted into the space 15 of the waste liquid recovery tube 3. As a result, the drain tube 34 serves as a communication passage 11 that guides the liquid injected into the narrow tube 2 to the waste liquid collection tube 3.
- a liquid absorption holding member 14 is provided inside the waste liquid recovery pipe 3.
- the liquid absorption holding member 14 is provided so as to be positioned at the bottom of the waste liquid recovery pipe 3 and sucks and holds the liquid flowing down from the drain tube 34.
- the liquid absorption holding member 14 is set in size and the like so as to have a liquid absorption capability for holding all the liquid injected into the thin tube 2 as in the first embodiment. Therefore, since all the liquid used for the measurement can be contained in the waste liquid collection pipe 3, secondary contamination can be prevented and safety is improved.
- the guiding member 12 of the first embodiment is not provided, and the liquid absorbing member 13 is configured by the liquid absorbing holding member 14 alone.
- the upper space 15 of the liquid absorption holding member 14 is vertically long, so that the upper portion of the space 15 is a play space 17. Therefore, since the amount of liquid used for the measurement is large, it is possible to hold the liquid inside the waste liquid collection tube 3 even when the liquid overflows from the liquid absorption holding member 14.
- the liquid flow control mechanism controls the liquid flow so that the liquid injected into the thin tube 2 is held in the thin tube 2 for a predetermined time.
- the liquid flow control mechanism in this embodiment includes the inner diameter and length of the drain tube 34, the inner diameter and length of the fine particle storage chamber 33, the packing density of the solid phase carrier fine particles 5, It is configured by adjusting the thickness of the partition wall 7 and the pore size.
- the liquid absorption holding member 14 also functions as a liquid flow control mechanism.
- the vent hole 19 is formed in the side surface portion of the waste liquid recovery pipe 3 in the upper part of the space 15.
- a seal member 21 is attached to the vent hole 19 so that it can be peeled off and re-adhered (re-attached).
- the sealing material 23 is also attached to the liquid suction port 4 of the thin tube 2 so that it can be peeled off and re-adhered.
- the diameter of the reaction vessel 31 is 7 to: LOmm
- the length is 70 to: LOOmm
- the inner diameter of the particulate storage chamber 33 is 2 to 3 mm
- the length is
- the inner diameter of the drain tube 34 can be set to 1 to 1.5 mm and the length 14 mm.
- the volume of the waste liquid collection tube 3 can be set to 1.0 to 1.5 mL by setting the length to 40 to 50 mm.
- the liquid flow control mechanism is provided to control the liquid flow in the narrow tube 2, it is not necessary to adjust the liquid suction force, and a simple structure can be achieved.
- the same description as in the first embodiment including the type of immunoassay to which the reaction vessel 31 can be applied and the material, structure, shape, etc. of each member is omitted. .
- the reaction container according to the present invention comprises a solid phase enzyme immunoassay (ELISA), a fluorescent enzyme immunoassay.
- ELISA solid phase enzyme immunoassay
- fluorescent enzyme immunoassay a fluorescent enzyme immunoassay
- Enzyme immunoassay such as (FEIA), chemiluminescent enzyme immunoassay (CLEIA), bioluminescent enzyme immunoassay (BLEI A), fluorescent immunoassay without enzyme (FIA), science It can be applied to any immunoassay such as luminescence immunoassay (CLIA) and bioluminescence immunoassay (BLIA).
- EIA Enzyme immunoassay
- FEIA chemiluminescent enzyme immunoassay
- CLLEI A chemiluminescent enzyme immunoassay
- BLEI A bioluminescent enzyme immunoassay
- FIA fluorescent immunoassay without enzyme
- the reaction container according to the present invention has a structure in which the liquid injected into the narrow tube is sucked by the liquid absorption member and stored in the waste liquid recovery pipe to prevent secondary contamination. Connection parts for connecting the photometer and reaction vessel that do not need to be installed outside are no longer required, and a simple structure can be achieved. Easy It can be done easily.
- the reaction vessel of the present invention since the reaction vessel of the present invention has a liquid flow control mechanism and controls the liquid flow in the narrow tube, it is not necessary to adjust the suction force, and the control becomes easy, and an external device such as a pump is used.
- reaction vessel can be disposed of by autoclaving or incineration as it is, which is useful for safety and health management for the handler.
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Abstract
Description
Claims
Priority Applications (5)
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AU2005297830A AU2005297830A1 (en) | 2004-10-29 | 2005-10-28 | Reaction vessel |
EP05805364A EP1806583A4 (en) | 2004-10-29 | 2005-10-28 | REACTION VESSEL |
JP2006542359A JPWO2006046716A1 (ja) | 2004-10-29 | 2005-10-28 | 反応容器 |
US11/690,033 US7396674B2 (en) | 2004-10-29 | 2007-03-22 | Reaction vessel |
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JP2004-317266 | 2004-10-29 | ||
JP2004317266 | 2004-10-29 |
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US11/690,033 Continuation US7396674B2 (en) | 2004-10-29 | 2007-03-22 | Reaction vessel |
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AU (1) | AU2005297830A1 (ja) |
CA (1) | CA2578550A1 (ja) |
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US20110143378A1 (en) * | 2009-11-12 | 2011-06-16 | CyVek LLC. | Microfluidic method and apparatus for high performance biological assays |
US9700889B2 (en) | 2009-11-23 | 2017-07-11 | Cyvek, Inc. | Methods and systems for manufacture of microarray assay systems, conducting microfluidic assays, and monitoring and scanning to obtain microfluidic assay results |
WO2013134741A2 (en) | 2012-03-08 | 2013-09-12 | Cyvek, Inc. | Methods and systems for manufacture of microarray assay systems, conducting microfluidic assays, and monitoring and scanning to obtain microfluidic assay results |
US10065403B2 (en) | 2009-11-23 | 2018-09-04 | Cyvek, Inc. | Microfluidic assay assemblies and methods of manufacture |
US9500645B2 (en) | 2009-11-23 | 2016-11-22 | Cyvek, Inc. | Micro-tube particles for microfluidic assays and methods of manufacture |
US9855735B2 (en) | 2009-11-23 | 2018-01-02 | Cyvek, Inc. | Portable microfluidic assay devices and methods of manufacture and use |
US9651568B2 (en) | 2009-11-23 | 2017-05-16 | Cyvek, Inc. | Methods and systems for epi-fluorescent monitoring and scanning for microfluidic assays |
US9759718B2 (en) | 2009-11-23 | 2017-09-12 | Cyvek, Inc. | PDMS membrane-confined nucleic acid and antibody/antigen-functionalized microlength tube capture elements, and systems employing them, and methods of their use |
WO2011063408A1 (en) | 2009-11-23 | 2011-05-26 | Cyvek, Inc. | Method and apparatus for performing assays |
CN106552682B (zh) | 2011-03-22 | 2020-06-19 | 西维克公司 | 微流体装置以及制造方法和用途 |
CN104736247B (zh) * | 2012-07-31 | 2018-02-23 | 康宁股份有限公司 | 微流体装置中的流体控制 |
JP2016093156A (ja) * | 2014-11-17 | 2016-05-26 | セイコーエプソン株式会社 | 容器収納体 |
JP2016093157A (ja) * | 2014-11-17 | 2016-05-26 | セイコーエプソン株式会社 | 容器収納体 |
JP2016093158A (ja) * | 2014-11-17 | 2016-05-26 | セイコーエプソン株式会社 | 容器収納体 |
US10228367B2 (en) | 2015-12-01 | 2019-03-12 | ProteinSimple | Segmented multi-use automated assay cartridge |
CN110106078A (zh) * | 2019-05-15 | 2019-08-09 | 纳来创硕湖北生物科技有限公司 | 一种用于生产淀粉糖的液化装置以及液化方法 |
US20220193674A1 (en) * | 2020-12-23 | 2022-06-23 | Imec Vzw | Microfluidic Device Unit |
US20220203351A1 (en) * | 2020-12-31 | 2022-06-30 | Awareness Technology, Inc. | Modular reaction vessel cartridge for photometric analyzers and methods for making same |
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- 2005-10-28 CA CA002578550A patent/CA2578550A1/en not_active Abandoned
- 2005-10-28 JP JP2006542359A patent/JPWO2006046716A1/ja active Pending
- 2005-10-28 EP EP05805364A patent/EP1806583A4/en not_active Withdrawn
- 2005-10-28 CN CNA2005800324419A patent/CN101036056A/zh active Pending
- 2005-10-28 WO PCT/JP2005/019933 patent/WO2006046716A1/ja active Application Filing
- 2005-10-28 AU AU2005297830A patent/AU2005297830A1/en not_active Abandoned
- 2005-10-28 KR KR1020077006515A patent/KR20070073752A/ko not_active Application Discontinuation
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2007
- 2007-03-22 US US11/690,033 patent/US7396674B2/en not_active Expired - Fee Related
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JPH0627111A (ja) * | 1992-07-09 | 1994-02-04 | Olympus Optical Co Ltd | 反応容器 |
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CA2578550A1 (en) | 2006-05-04 |
EP1806583A1 (en) | 2007-07-11 |
US7396674B2 (en) | 2008-07-08 |
US20070238131A1 (en) | 2007-10-11 |
AU2005297830A1 (en) | 2006-05-04 |
KR20070073752A (ko) | 2007-07-10 |
CN101036056A (zh) | 2007-09-12 |
EP1806583A4 (en) | 2010-08-25 |
JPWO2006046716A1 (ja) | 2008-05-22 |
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