WO2001084152A1 - Cartouche de mesure automatique et procede de mesure correspondant - Google Patents
Cartouche de mesure automatique et procede de mesure correspondant Download PDFInfo
- Publication number
- WO2001084152A1 WO2001084152A1 PCT/JP2001/003730 JP0103730W WO0184152A1 WO 2001084152 A1 WO2001084152 A1 WO 2001084152A1 JP 0103730 W JP0103730 W JP 0103730W WO 0184152 A1 WO0184152 A1 WO 0184152A1
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- WO
- WIPO (PCT)
- Prior art keywords
- cartridge
- sample
- measured
- reaction
- component
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/508—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above
- B01L3/5085—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above for multiple samples, e.g. microtitration plates
- B01L3/50855—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above for multiple samples, e.g. microtitration plates using modular assemblies of strips or of individual wells
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/508—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above
- B01L3/5085—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above for multiple samples, e.g. microtitration plates
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
-
- 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
- G01N2035/0403—Sample carriers with closing or sealing means
-
- 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
- G01N2035/1027—General features of the devices
- G01N2035/1032—Dilution or aliquotting
-
- 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
- G01N35/026—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 blocks or racks of reaction cells or cuvettes
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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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/25—Chemistry: analytical and immunological testing including sample preparation
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/25—Chemistry: analytical and immunological testing including sample preparation
- Y10T436/25625—Dilution
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/25—Chemistry: analytical and immunological testing including sample preparation
- Y10T436/2575—Volumetric liquid transfer
Definitions
- the present invention relates to a cartridge for automatic measurement used by being incorporated in an automatic measuring device for automatically quantifying components contained in a sample, and an automatic measuring method using the cartridge for automatic measurement.
- EIA method enzyme immunoassay in relation the concentration of the target substance in each analysis item
- LIA method latex immunoassay
- TIA method turbidimetric immunoassay
- FIA immunofluorescence
- CLIA chemiluminescence immunoassay
- the sample dispensing device, reagent dispensing device, reaction well, etc. are shared, but several modules according to the measurement principle, one module It is integrated in the device, and the mechanism becomes very complicated and large. If the mechanism becomes complicated, the number of operating parts increases, and inevitably, the number of troubles and other troubles increases. Also, due to the difference in measurement principle, the amount of sample, type of reagent, amount of reagent, stirring conditions, separation of reaction products from excess reagent (B / F separation), reaction time, measurement method, etc. The analysis process that controls the data is different for each analysis item.
- the conventional equipment requires a lot of maintenance burden due to the complexity of the mechanism, increases the cost of the equipment, increases the time required for measurement, and requires a lot of labor to prepare the reagents required for measurement. This is a serious problem in point-of-care care (POCT) conducted by doctors and nurses.
- POCT point-of-care care
- the present invention is directed to an automatic measurement cartridge for use in an automatic measurement device, wherein an apparatus equipped with only a mechanism that is as simple as possible has a dilution ratio in a specimen.
- the force cartridge that can be used for measurement of different types of analysis items and that does not greatly increase the measurement time even if those analysis items are measured simultaneously, and this cartridge The purpose is to provide the measurement method used.
- the present inventors provide a dilution well for diluting a sample in a cartridge, and dilute a predetermined amount of the sample to a desired magnification in the dilution well, thereby simplifying the mechanism of the automatic measurement device, In addition, they have found that the time required for measurement does not significantly increase even in the simultaneous measurement of a plurality of types of analysis items, and have completed the present invention.
- a cartridge used when measuring a component to be measured contained in a sample wherein the cartridge is used to reduce at least a predetermined amount of the sample to a desired magnification.
- the dilution volume to be diluted, and the analyte in the sample and its specificity provides a cartridge having a reaction layer for reacting with a substance that reacts with the cartridge.
- two or more rows of a well group including a dilution well and a reaction well are arranged in parallel.
- a reagent storage well containing reagents required for the measurement, a dispensing well for dispensing a sample, a washing well for washing a reaction product, and / or a measurement of a reaction product are further provided.
- the measurement is carried out in combination with a reagent necessary for the measurement of the component to be measured contained in the sample and / or another cartridge filled with a solution.
- all the reagents and / or solutions necessary for the measurement of the component to be measured contained in the sample are enclosed.
- the reaction between the component to be measured and a substance that specifically reacts with the component is an immunological reaction.
- the immunological reaction comprises reacting the component to be measured in the sample with a substance that reacts immunologically specifically with the component to form a first immune complex, This is a reaction in which the body is reacted with a labeled body that specifically reacts immunologically to form a second immune complex.
- a sample containing the component to be measured is dispensed into the cartridge of the present invention, the sample is diluted to a desired magnification on the cartridge, and the diluted sample is diluted.
- a method for measuring a component to be measured contained in a sample which comprises reacting a component to be measured in a sample with a substance that specifically reacts with the component and measuring the amount of a reaction product. .
- a cartridge in which two or more lines including a dilution well and a reaction well are juxtaposed, or a plurality of cartridges is used to simultaneously measure a plurality of different components to be measured.
- the measurement is carried out using the cartridge of the present invention together with another force cartridge filled with a reagent and / or a solution necessary for the measurement of the component to be measured contained in the sample.
- the reaction between the component to be measured and a substance that specifically reacts with the component is an immunological reaction.
- the component to be measured in the sample is reacted with a substance that reacts immunologically specifically with the component to form a first immune complex, and the first immune complex is formed.
- This is a reaction to form a second immune complex by reacting this with a label that reacts specifically immunologically, and the amount of the label in the second immune complex formed by the reaction is measured. I do.
- At least a cartridge accommodating section accommodating the cartridge of the present invention, a reagent and / or a cartridge accommodating the cartridge accommodating in the cartridge accommodating section.
- a measuring device having a dispensing unit for dispensing a sample, and a measuring unit for measuring a reaction product on a cartridge housed in a cartridge housing unit.
- FIG. 1 is a diagram illustrating an outline of a cartridge according to the first embodiment.
- the reference numerals in the figure are as follows. 1: dispensing well, 2: dilution well 1, 3: dilution well 2, 4: magnetic particle storage well (reaction well 1), 5: washing well 1, 6: labeled antibody storage well (reaction well 2), 7: Washing well 2, 8: Metering well.
- FIG. 2 is a diagram illustrating an outline and operation conditions of a cartridge according to the second embodiment. The operation of filling the reagent is shown above the cartridge, and the operation of diluting the sample and performing the reaction is shown below the cartridge.
- the reference numerals in the figure are as follows.
- DS1 Diluent storage well 1
- DS2 Diluent storage well 2
- WS Washing liquid storage well
- MP Magnetic particle storage well
- LA Labeled antibody storage well
- AMPPD AMPPD storage well
- SD Dispensing well
- D1 Dilution level 1
- D2 Dilution level 2
- D3 Dilution level 3
- R1 Reaction level 1
- W1 Wash level 1
- R2 Reaction level 2
- W2 Cleaning level
- LM Photometric level
- MP Magnetic particle.
- the cartridge of the present invention is used when measuring a component to be measured contained in a sample, and is usually used by being incorporated in an automatic measuring device.
- the above measurement is usually performed by the measurement method of the present invention, that is, the step of dispensing a sample containing the component to be measured, the step of diluting the sample, the component to be measured contained in the diluted sample, and the specific And a step of measuring the amount of the reaction product, which is performed by a method for measuring a component to be measured in a sample.
- the component to be measured is not particularly limited as long as a substance that specifically reacts therewith exists.
- examples of the combination of the component to be measured and a substance that specifically reacts with the component include an antigen and an antibody, an antibody and an antigen, an enzyme and a substrate, a sugar chain and a lectin, and the like.
- “specifically react” in the present invention means specifically binding biochemically, and the component to be measured and the specifically reacting substance bind to each other like a substrate.
- the chemical property of the substance may change before and after.
- the sample may contain the component to be measured or may contain the component to be measured, and examples thereof include blood, serum, plasma, and urine.
- the conditions for the step of reacting the component to be measured with the substance that specifically reacts with it and the conditions for the step of measuring the amount of the reaction product depend on the combination of the component to be measured and the substance that specifically reacts with it. Selected as appropriate.
- the reaction between an enzyme and a substrate and the measurement of the amount of the reaction product are performed by mixing the enzyme with the substrate, allowing the enzyme to act on the substrate, and measuring the amount of the reaction product (degradation product of the substrate). be able to.
- the reaction between the antibody and the antigen and the measurement of the amount of the reaction product are performed by mixing the antibody or the antigen with the solid phase carrier and the label bound to the antibody or the antigen, and reacting the reaction product (immune complex).
- measuring the amount of the reaction product means not only directly measuring the amount of the reaction product itself, but also measuring the amount of the substance quantitatively related to the amount of the reaction product. It also includes measuring. This The amount of the component to be measured in the sample can be calculated from the amount of the reaction product thus measured.
- the cartridge of the present invention has a dilution plate for diluting at least a predetermined amount of a sample to a desired magnification, and a reaction tube for reacting a component to be measured in a sample with a substance that specifically reacts with the component. It is characterized by becoming.
- the dilution ratio of the sample varies depending on the component to be measured (analytical item).
- a dilution tube for diluting a predetermined amount of the sample to a desired ratio is provided.
- it is only necessary to dispense a predetermined amount of sample regardless of the analysis item in the measurement operation which reduces the effort of the operator required to check the dispensed volume, and the measurement may fail due to an incorrect dispensed volume. Sex is greatly reduced.
- a mechanism for changing the sample dispensing amount according to the analysis item is not required, so that the mechanism can be simplified.
- the undiluted solution that is, the dilution factor is 1
- the dilution step is performed in the same manner as the analysis item requiring dilution. Is evident. Therefore, the term “dilution” in the present specification is used in the sense that it includes leaving the solution undiluted. Also, when performing high-magnification sample dilution, it is preferable to provide two or more dilution wells in the cartridge and perform two or more dilution steps.
- the cartridge of the present invention is a cartridge capable of responding to different analysis conditions by a uniform operation, and further, a group of shells necessary for measurement of the component to be measured. If a cartridge having two or more lines arranged side by side or a plurality of cartridges is used, it is possible to simultaneously measure a plurality of different components to be measured. Therefore, the use of the cartridge of the present invention does not significantly increase the time required for the measurement of a plurality of different components to be measured, and also necessitates a change in the mechanism of the automatic measuring device used. Does not occur.
- the dilution ratio of the sample and the diluent to be filled in the dilution well are appropriately selected depending on the type of the sample, the component to be measured, the substance specifically reacting with the component to be measured, and the like.
- the diluent may contain the reagents required for sample pretreatment, in which case dilution and pretreatment are performed simultaneously in the dilution well.
- the cartridge of the present invention may have a reagent storage well for storing a reagent necessary for measuring the component to be measured contained in the sample.
- the reagent storage well may also serve as the reaction well. That is, some of the reagents involved in the reaction can be stored in the reaction well.
- One or more reagents may be stored in the reagent storage well or the reaction well, as long as the stored reagents do not react.
- the contained reagent may be liquid (eg, solution or suspension) or solid as long as it can be dissolved or suspended in the liquid injected into the well.
- the cartridge of the present invention further has a dispensing well for dispensing a sample.
- a predetermined amount can be added to the dilution well by a uniform process from the dispensing well into which the sample has been dispensed.
- the automatic measuring apparatus in order to dispense a predetermined amount into the cartridge, a mechanism for directly dispensing a fixed amount from the parent sample container outside the cartridge. Since there is no need to provide an additional mechanism such as the above, the mechanism can be simplified.
- the cartridge of the present invention may also have a measurement level for measuring the amount of the reaction product.
- a measurement level for measuring the amount of the reaction product For example, a photometric well for optically measuring can be provided.
- the measurement level can be provided in a separate cartridge, or in a separable form. May be provided.
- the shape and size of the cartridge of the present invention are not particularly limited, but may be easy for a person to measure.
- the boat-shaped one arranged above is preferred. Also, there may be more than one of each type.
- the power cartridge according to the present invention in which two or more required fuel groups are juxtaposed as described above may be used.
- the material of the cartridge of the present invention is not particularly limited, but a transparent material is preferable because optical measurement can be performed through the wall of the cartridge.
- the component to be measured and a substance that specifically reacts with the component are measured.
- the reaction is preferably an immunological reaction. That is, the substance that specifically reacts with the component to be measured is preferably an antibody or an antigen.
- the immunological reaction is preferably performed by reacting a component to be measured in a sample with a substance that specifically reacts immunologically to form a first immune complex.
- This is a reaction in which a second immunocomplex is formed by reacting with a labeled substance that specifically reacts immunologically.
- the cartridge of the present invention preferably has a reaction level for forming the first immune complex and a reaction level for forming the second immune complex. . More preferably, it is preferable to have a washing well for B / F separation corresponding to each reaction well.
- the cleaning well may be pre-filled with a cleaning liquid, or may be filled by dispensing from another cartridge or bottle.
- Reagents and / or solutions necessary for the measurement of the component to be measured contained in the sample used in the present invention are pre-filled in another cartridge, and used in combination with the cartridge of the present invention. Measurements can also be made. For example, a diluent of the sample, a substance having a specific reactivity with the analyte in the sample, a label, a washing solution for washing the immune complex, and the like are filled in another force cartridge in advance.
- the measurement can be performed by a method such as dispensing a reagent and / or a solution from the cartridge to the cartridge of the present invention by a uniform operation.
- the mechanism of the device can be simplified, and the structure of the cartridge of the present invention can be simplified and reduced in size.
- the problem of storage stability of the reagent and / or solution to be used can be easily solved.
- both the cartridge of the present invention and another cartridge can be arbitrarily filled with a reagent and / or solution required for measurement and used together.
- all of the reagents and / or solutions necessary for the measurement of the component to be measured contained in the sample may be filled in the present invention.
- it is preferable to fill all necessary reagents such as a sample diluent, a substance having specific reactivity with a component to be measured in the sample, a label, and a washing solution for washing an immune complex.
- a sample diluent such as a sample diluent, a substance having specific reactivity with a component to be measured in the sample, a label, and a washing solution for washing an immune complex.
- the cartridge of the present invention When the cartridge of the present invention is filled with a reagent and / or a solution such as a diluent, a label, and a washing solution, the upper portion of the cartridge is made of aluminum in order to prevent entry of foreign substances and evaporation and deterioration of the reagent. It is preferable to seal with a foil, a plastic film or the like. In particular, aluminum foil seals are preferable because they can be easily and automatically opened by the perforation mechanism of the automatic measuring device. When a reagent and Z or a solution or the like are filled in another cartridge and the measurement is performed in combination with such a cartridge, it is often necessary to seal the cartridge.
- the cartridge of the present invention may be provided with a barcode that records information on a sample, information on an analysis item, and reagent management information by printing, pasting, or the like.
- a barcode that records information on a sample, information on an analysis item, and reagent management information by printing, pasting, or the like.
- a plurality of cartridges or a force bridge in which two or more well groups are juxtaposed is used. It is preferable to measure a plurality of different components to be measured simultaneously.
- an automatic measurement device that can process the measurement of a plurality of analysis items in parallel and that can incorporate a plurality of the cartridges of the present invention, or supports a plurality of analysis items It is preferable to use an automatic measuring device that can incorporate the cartridge of the present invention having two well groups (two or more lines arranged side by side).
- means for sucking a predetermined amount of liquid from one well and discharging it to another well, means for stirring the contents of the well, and BF separation are performed.
- Known means can be used as the means for performing time measurement.
- the force cartridge is a cartridge for automatic measurement used by being incorporated in an automatic measuring device for automatically quantifying a component to be measured present in a sample, wherein the component to be measured and its immunoassay Reaction reagents for reacting with substances that react chemically specifically, multiple reagent reservoirs for filling the reagents used for the reaction, dispensing reagents for dispensing samples, and dilution for diluting samples Has wash wells and / or photometric wells for performing B / F separations.
- the reagent storage well may also serve as the reaction well.
- the dilution well is filled with a diluent that dilutes a predetermined amount of the sample to the desired magnification, and the multiple reagent storage wells are individually solid-phase carriers for performing immunologically specific reactions. It is preferable that a labeled antigen or antibody, a reagent for measuring the amount of the labeled substance, and the like be filled, and the washing well be used by filling with a washing solution for washing the immune complex.
- a solid phase carrier (sensitized solid phase) to which an antigen or an antibody is bound can be put in the reagent storage well of the cartridge, and the reaction well can be used.
- the solid phase carrier include polystyrene beads, magnetic particles, and the like, which have been conventionally used in immunoassays.
- the antibody or antigen may be immobilized on the inner wall of the well without using the solid phase carrier.
- the enzyme chemiluminescence method (CLEIA), which is advantageous in terms of sensitivity, is preferred.
- the solid phase carrier BZF separation which is indispensable in the enzyme chemiluminescence method (CLEIA) is used. Magnetic particles that can be easily obtained by the above method are preferred.
- This BZF separation can be performed by applying a magnetic field from the outside of the cartridge with a permanent magnet, an electromagnet, or the like, and dispensing as disclosed in JP-A-11-126628. It can also be performed by a magnet arranged on the suction / discharge system side such as a system tip.
- a labeled antigen or antibody can be added to another reagent storage well to serve as a reaction well.
- the label examples include an enzyme, a radioisotope, a coloring substance, a fluorescent substance, a luminescent substance, and various colored particles.
- an enzyme is preferably used.
- labeling enzymes include alkaline phosphatase, peroxidase, galactosidase, glucosidase and the like.
- a substrate for the labeling enzyme one corresponding to each enzyme may be used.
- adamantyl methoxyphenylphosphoryldioxysepane (AMPPD) is used for alkaline phosphatase, and Luminol / peroxide, and adamantyl methoxyphenyl D-galactosyldioxycetane (AMPGD) for galactosidase.
- AMPPD adamantyl methoxyphenylphosphoryldioxysepane
- AMPGD adamantyl methoxyphenyl D-galactosyldioxycetane
- dilution well It is preferable to fill the dilution well with a predetermined amount of diluent for each analysis item in advance.
- a predetermined amount of diluent for each analysis item For example, when measuring two different analyzes of hepatitis C virus (HCV) antibody and HBsAg (HBsAg), the sample volume, reagent volume of solid phase carrier, labeled antigen or antibody reagent The same volume, wash volume, labeling conditions, etc. are set for both items, and a series of immunoreaction steps is performed on a cartridge in which the volume of the diluent filled in the dilution well differs between the two items. If used in an automatic measurement device with two or more mechanisms, two items can be processed simultaneously in the same analysis process.
- HCV hepatitis C virus
- HBsAg HBsAg
- FIG. 1 shows an example of such a force trigger.
- the HCV antibody contains a relatively large amount of the component to be measured in the sample, so that it is necessary to dilute the sample in advance and measure it.
- dilution 1 (2) is 500 1 and dilution 2 (3)
- the sample was aspirated 70 ⁇ 1 from the injection well (1) by the liquid suction and discharge mechanism of the automatic measurement device, and diluted using a HCV antibody force cartridge pre-filled with 335 ⁇ 1 diluent.
- the sample diluted in the first step from the dilution well 1 (2) is aspirated 65 ⁇ 1, and the whole amount is discharged into the dilution well 2 (3), mixed with the diluent 335 1 and mixed with the diluent 335 1.
- HBsAg is an analysis item that requires high sensitivity, so use the sample as it is without diluting it.
- the dilution ratio of the sample is not limited to 50 times as in the above example, but can be arbitrarily changed to 1 times or more depending on the amount of the diluent filled in the dilution well.
- the suction volume of the dilution well rather than the discharge volume is It is preferable to set so as to be small.
- the measurement can be performed using the cartridge of the present invention in combination with another cartridge filled with the reagent and / or solution required for the measurement.
- a cartridge of the present invention having a dispensing well, a dilution well, a reaction well, a washing well, and a photometric well is used without being filled with any reagent and / or solution.
- the diluent, the solid phase carrier, the labeled antigen or antibody, the reagent for measuring the amount of the labeled substance, and the like are filled in another cartridge, and the cartridge of the present invention is loaded from the cartridge.
- the same measurement can be performed by performing a dispensing operation on the cartridge.
- FIG. 2 shows an example of a cartridge having such an embodiment.
- the sample By adding an acid, an alkali, an organic solvent, a protein denaturant, a surfactant and the like to the diluent, the sample can be pretreated in the sample dilution step.
- an acid for example, an alkali, an organic solvent, a protein denaturant, a surfactant and the like
- the sample can be pretreated in the sample dilution step.
- blood whole blood
- P 0 CT point-of-care care testing
- a washing solution for washing unreacted specimens and labels from the immune complex (B / F separation) is supplied from some devices in the automatic measurement device as seen in conventional automatic measurement devices. And it takes time to replenish the washing liquid and to treat the waste liquid during the measurement.
- the cleaning liquid used in the conventional automatic measuring device has the same cleaning liquid composition and amount regardless of the analysis item, so that the optimum cleaning liquid composition cannot be adopted for each analysis item. Therefore, it is preferable to store the cleaning liquid in the power cartridge from the above points. However, when the composition and the liquid amount are the same, the supply may be uniformly performed from some of the automatic measurement devices as described above.
- the automatic measuring device used by incorporating the cartridge of the present invention uses the cartridge of the present invention at a required temperature in order to accelerate the reaction, for example, 35 to 45 ° suitable for an enzyme reaction. It is preferable to add a mechanism for keeping the range of C or the like.
- the measurement of the label can be performed by mixing the immune complex and the substrate of the label enzyme, and then directly using a photomultiplier tube or the like from the photometer.
- the measurement light of the measurement wavelength is irradiated from the bottom or side of the photometric well, and the transmitted light passing through the photometric well is measured. be able to.
- the automatic measurement device incorporating the cartridge of the present invention is used in at least the cartridge storage section for storing the cartridge of the present invention, and the reagent and / or the cartridge stored in the cartridge storage section.
- a dispensing unit for dispensing a sample and a measuring unit for measuring a reaction product on a cartridge housed in a cartridge storage unit are provided.
- the cartridge storage section may be the same as a normal cartridge storage section except that the cartridge storage section has a structure capable of storing the cartridge of the present invention.
- the dispensing section contains reagents and / or It is composed of a normal mechanism such as a liquid suction / discharge mechanism depending on the type and properties.
- Dispensing here means transferring reagents and / or samples from outside the cartridge to the cartridge vials, as well as reagent and / or sample transfer from one cartridge on the cartridge to the other. Or both transferring the specimen.
- the measuring unit is configured by a normal mechanism such as a photometric mechanism according to the type and properties of the reaction product.
- a plurality of mechanisms for performing a series of immune reactions are arranged in parallel.
- the apparatus be capable of simultaneously controlling the steps of sample dispensing, sample dilution, reagent dispensing, B / F separation, and photometry. In this way, even in the case of the immunoassay method, multiple items can be measured simultaneously without significantly increasing the measurement time even if the analysis items are different, using an apparatus that performs only a single type of analysis process. Can be.
- the part (chip, etc.) that comes into contact with the reagent and Z or the sample is replaceable. By replacing this part for each measurement, it is easier to prevent contamination of the cartridge used for the next measurement.
- a barcode is attached to the cartridge of the present invention, and the measurement is performed using an apparatus having a mechanism for recognizing the barcode.
- HBs antigen (HBsAg), hepatitis C virus (HCV) antibody, human immunodeficiency virus (HIV) antibody, human T-cell leukemia virus 1 (HTLV-1) antibody, and treponema syphilis (TP) Reagents and solutions required for antibody measurement were prepared.
- HCV hepatitis C virus
- HMV human immunodeficiency virus
- HTLV-1 human T-cell leukemia virus 1
- TP treponema syphilis
- HCV antigen HCV antigen
- HIV antigen HIV antigen
- HCV antigen binding magnetic particles HIV antigen binding magnetic particles
- HTLV-1 antigen binding magnetic particles TP antigen binding Magnetic particles
- the prepared magnetic particles were used by suspending them in a 0.1 M Tris buffer (pH 8.0) (the concentration was set individually for each item between 100 and 200 ⁇ g / ml).
- the anti-HBsAg monoclonal antibody was bound to alkaline phosphatase (ALP) by the maleimide method to prepare an ALP-labeled anti-HBsAg antibody.
- ALP-labeled anti-human IgG antibody was prepared using an anti-human IgG monoclonal antibody.
- the prepared labeling antibody was used after dissolving in 0.1 M Tris buffer (pH 8.0) (the concentration was set individually for each item between OO Aig / inl).
- a 0.1 M Tris buffer (pH 8.0) containing 0.1% Tween20 and 0.15 M NaCl was prepared.
- the luminescent substrate used was a 25 mM AMPPD solution (Tropix).
- the measurement was performed using a force grid made of polystyrene shown in Fig. 1. Dilution level 1 (2), dilution level 2 (3), magnetic particle storage level (4), labeled antibody storage level (6), washing level 1 (5), cleaning level 2 (7), After the photometer (8) was filled with the reagents and solutions prepared in 1 to 5 of Preparation Example 1 above, the upper part of each reagent storage well was sealed with aluminum foil. The filling position and filling amount were as follows.
- Specimens (negative control serum, positive control serum) were subjected to HBsAg cartridge, HCV antibody cartridge, HIV antibody cartridge, and HTLV-1 antibody cartridge. Dispense 701 or more into each dispensing well of the page and the TP antibody cartridge.
- the automatic measurement device reads the barcode attached to the reagent cartridge and recognizes which analysis item was selected. Thereafter, the same process is performed in parallel on the five reagent cartridges.
- the first-stage dilution step is performed by repeating the suction / discharge operation in the dilution well 1 (2).
- reaction cartridge the cartridge of the present invention
- reaction cartridge Is filled in another cartridge (hereinafter sometimes referred to as “reagent cartridge”) and the reagents are not physically bound, and sample dilution is performed in three steps. It went as it was done.
- reagent cartridge the cartridge of the present invention
- HBsAg reagent cartridge, HCV antibody cartridge, HIV antibody reagent cartridge, HTLV-1 antibody reagent cartridge and TP antibody reagent cartridge Set the cartridge to the automatic measuring device. Arrangement of each reagent cartridge is optional. Each reagent cartridge was previously filled with reagents and solutions as shown in Table 3, and sealed with an aluminum seal.
- reaction cartridge is an empty cartridge that is not filled with diluent and reagent (no aluminum seal), so it is common regardless of the measurement items.
- the automatic measurement device reads the barcode attached to the reagent cartridge and recognizes which analysis step was selected. Thereafter, the same process is performed simultaneously on the five reagent cartridges and the reaction cartridges corresponding to the reagent cartridges.
- the cleaning solution 1 001 is sucked from the cleaning solution storage well (WS) and dispensed into the washing well 1 (W1) and the washing well 2 (W2) 501 each.
- the magnetic particles are separated by a permanent magnet in the reaction level 1 (R1), and the magnetic particles are further washed in the reaction level 1 (W1). Then, the magnetic particles are separated by the permanent magnet.
- measurement of a plurality of types of analysis items having different dilution factors in a sample can be simultaneously performed in a uniform analysis processing step. This leads to simplification and cost reduction of the automatic measurement device, shortens the time required for measurement, and enables simple measurement.
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Hematology (AREA)
- Clinical Laboratory Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01926055A EP1291654B1 (en) | 2000-04-28 | 2001-04-27 | Automatic measuring cartridge and measuring method using it |
DE60124705T DE60124705T2 (de) | 2000-04-28 | 2001-04-27 | Automatische messpatrone und dazu gehoerendes messverfahren |
AU2001252653A AU2001252653A1 (en) | 2000-04-28 | 2001-04-27 | Automatic measuring cartridge and mesuring method using it |
JP2001581124A JP4410968B2 (ja) | 2000-04-28 | 2001-04-27 | 自動測定用カートリッジおよびそれを用いる測定法 |
US10/281,252 US8409872B2 (en) | 2000-04-28 | 2002-10-28 | Cartridge for automatic measurement and measuring method using it |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000130767 | 2000-04-28 | ||
JP2000-130767 | 2000-04-28 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/281,252 Continuation US8409872B2 (en) | 2000-04-28 | 2002-10-28 | Cartridge for automatic measurement and measuring method using it |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001084152A1 true WO2001084152A1 (fr) | 2001-11-08 |
Family
ID=18639793
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2001/003730 WO2001084152A1 (fr) | 2000-04-28 | 2001-04-27 | Cartouche de mesure automatique et procede de mesure correspondant |
Country Status (8)
Country | Link |
---|---|
US (1) | US8409872B2 (ja) |
EP (2) | EP1291654B1 (ja) |
JP (2) | JP4410968B2 (ja) |
CN (1) | CN1256588C (ja) |
AU (1) | AU2001252653A1 (ja) |
DE (1) | DE60124705T2 (ja) |
ES (2) | ES2491192T3 (ja) |
WO (1) | WO2001084152A1 (ja) |
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JP2005037179A (ja) * | 2003-07-17 | 2005-02-10 | Mitsubishi Kagaku Iatron Inc | カートリッジシールの穿孔具を備えた自動測定装置 |
JP2007524831A (ja) * | 2003-06-24 | 2007-08-30 | エモリー ユニバーシティー | 免疫学的アッセイシステムおよび方法 |
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WO2012133452A1 (ja) * | 2011-03-28 | 2012-10-04 | 三菱化学メディエンス株式会社 | 全血検体の免疫測定方法および測定キット |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007524831A (ja) * | 2003-06-24 | 2007-08-30 | エモリー ユニバーシティー | 免疫学的アッセイシステムおよび方法 |
WO2005008255A1 (ja) * | 2003-07-17 | 2005-01-27 | Mitsubishi Kagaku Iatron, Inc. | 自動測定用カートリッジおよびそれを用いる測定装置 |
JP2005037179A (ja) * | 2003-07-17 | 2005-02-10 | Mitsubishi Kagaku Iatron Inc | カートリッジシールの穿孔具を備えた自動測定装置 |
JPWO2005008255A1 (ja) * | 2003-07-17 | 2006-11-24 | 株式会社三菱化学ヤトロン | 自動測定用カートリッジおよびそれを用いる測定装置 |
US8383421B2 (en) | 2003-07-17 | 2013-02-26 | Mitsubishi Chemical Medience Corporation | Cartridge for automatic measurement and measuring device using the same |
WO2010101151A1 (ja) * | 2009-03-05 | 2010-09-10 | ベックマン コールター インコーポレイテッド | 反応カード製造装置 |
WO2012133452A1 (ja) * | 2011-03-28 | 2012-10-04 | 三菱化学メディエンス株式会社 | 全血検体の免疫測定方法および測定キット |
US10191038B2 (en) | 2011-03-28 | 2019-01-29 | Lsi Medience Corporation | Immunological measuring method and measuring kit for whole blood sample |
WO2013084969A1 (en) * | 2011-12-09 | 2013-06-13 | Canon Kabushiki Kaisha | Analyzing apparatus for laboratory test |
JP2014155456A (ja) * | 2013-02-15 | 2014-08-28 | Koto Biseibutsu Kenkyusho:Kk | 食品用微生物検査システム |
Also Published As
Publication number | Publication date |
---|---|
ES2275674T3 (es) | 2007-06-16 |
AU2001252653A1 (en) | 2001-11-12 |
CN1437707A (zh) | 2003-08-20 |
US20030113235A1 (en) | 2003-06-19 |
EP1760466A1 (en) | 2007-03-07 |
EP1760466B1 (en) | 2014-06-04 |
US8409872B2 (en) | 2013-04-02 |
DE60124705D1 (de) | 2007-01-04 |
ES2491192T3 (es) | 2014-09-05 |
CN1256588C (zh) | 2006-05-17 |
JP4410968B2 (ja) | 2010-02-10 |
EP1291654A1 (en) | 2003-03-12 |
DE60124705T2 (de) | 2007-09-13 |
EP1291654B1 (en) | 2006-11-22 |
JP2008203279A (ja) | 2008-09-04 |
EP1291654A4 (en) | 2004-04-14 |
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