WO2005033677A1 - 比色計等の測定セルおよびその使用方法 - Google Patents
比色計等の測定セルおよびその使用方法 Download PDFInfo
- Publication number
- WO2005033677A1 WO2005033677A1 PCT/JP2004/014788 JP2004014788W WO2005033677A1 WO 2005033677 A1 WO2005033677 A1 WO 2005033677A1 JP 2004014788 W JP2004014788 W JP 2004014788W WO 2005033677 A1 WO2005033677 A1 WO 2005033677A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- measurement cell
- colorimeter
- cell container
- capillary
- container
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N2021/0346—Capillary cells; Microcells
Definitions
- the present invention relates to a measurement cell such as a colorimeter and a method for using the same.
- test liquids in which a sample and a reaction reagent are mixed and reacted are contained in a measuring cell made of a transparent material. Then, this measuring cell is attached to the measuring device. Then, the test liquid accommodated in the measuring cell is irradiated with light, and the light is transmitted, reflected or refracted as appropriate, and the absorbance, transmittance, color density, etc. of the test liquid are measured.
- test liquid contained in this measurement cell is mixed well in a test tube or the like with the sample collected by the capillary and the reaction reagent. Excluding the capillary, this mixture alone is transferred to the measurement cell container as the test liquid. Had been replaced.
- the sample and the reaction reagent are mixed and reacted in a test tube or the like to form a test solution, and it is troublesome to transfer this test solution into the container of the measurement cell. There was a risk of zero. Furthermore, if the specimen is infectious blood, etc., it is necessary to work very carefully so that the test liquid is not spilled.
- the inventor inserted a capillary from which the sample was collected into the measurement cell container containing the reaction reagent, and sealed the container. It has been conceived that a sample and a reaction reagent are mixed and reacted in a measurement cell to obtain a test solution.
- the capillary in order to mix a reaction reagent and a specimen into a test liquid in a container of a measurement cell, the capillary must be taken out of the container of the measurement cell.
- a test solution is measured by irradiating light near the bottom of the measurement cell container 12 of the measurement cell 10 with a colorimeter or the like, the capillary 14 obstructs light transmission. It may not be possible to measure accurately. If the amount of sample to be collected is small, Since the amount of the test solution 16 made by mixing with the drug is also small, in order to measure the test solution 16 more reliably, with a conventional colorimeter or the like, the light near the bottom of the measurement cell container 12 is used. Irradiation was common. In FIG.
- reference numeral 18 denotes a lid for closing the upper opening of the measurement cell container 12
- 20 denotes a light source for irradiating the test liquid 16 with light
- 22 denotes a light source.
- a light source filter for extracting light of a predetermined wavelength from the light emitted from 20 is a light source filter for receiving light transmitted through the test wave 16.
- the applicant has proposed a technology that does not hinder measurement without removing the capillary 14 from the inside of the measurement cell container 12 as Japanese Patent Application No. 200-212-4216658. Proposed earlier. This is because the inside of the measuring cell container 12 is divided into two by a vertical partition plate, and the test liquid 16 is movable between the two sections at the bottom of the measuring cell container 12. the Kiyapirari 1 4 to segments and ⁇ housing, t technical problem is irradiated with light in measurement cell Le vessel 1 to the bottom of the 2 colorimeter like the other segment to measure the test liquid 1 6
- the present invention has been made in view of the circumstances of the related art, and has as its object to provide a measurement cell such as a colorimeter that can be formed at a low cost and can be mass-produced as a measurement cell. And It is also intended to provide a method of using the same. Disclosure of the invention
- a measurement cell such as a colorimeter of the present invention is a measurement cell that accommodates a test solution, is attached to a colorimeter or the like, and is irradiated with light.
- the capillaries can be inserted and stored in the measuring cell container from the section, and the depth of the measuring cell container is greater than the length of the capillary, and the capillaries can be stored in the measuring cell container from the storage portion of the capillaries.
- the light is applied to an upper position. Therefore, the two samples and the reaction reagent can be mixed in the measurement cell container, eliminating the need to transfer the test liquid generated by mixing in a conventional test tube, etc., and thus making the measurement work easier In addition, there is no danger of spilling the test liquid when transferring.
- the capillary Since the measurement is performed by irradiating the test liquid above the capillary housed in the measurement cell container with light, the capillary does not interfere with the measurement. Furthermore, the measurement cell container does not require a structure in which the housed capillary is positioned at a predetermined position, and can be molded with a simple mold.
- a lid is provided in a watertight structure at an opening at the upper end of the measurement cell container, a hole through which the capillary can be inserted is bored through the lid, and a rubber stopper is pressed into and withdrawn from the hole. It may be configured freely. Press-fitting of the rubber stopper ensures a sealed structure, and the removal of the rubber stopper allows easy insertion of the cable.
- the measurement cell container and the lid may be formed of the same resin, and the lid may be disposed in a watertight structure with respect to the measurement cell container by adhesion. Since it is molded with the same resin, the watertight structure by adhesion has high durability against temperature changes.
- the storage portion of the measurement cell container in which the capillary is stored may be configured to have a smaller horizontal cross-sectional area than the portion irradiated with the light. Even if the amount of the test liquid is small, the level of the liquid surface rises, and it becomes possible to irradiate the test liquid on the upper part of the cabillary with light for measurement.
- the dimension of the portion of the measurement cell container to which the light is irradiated is configured to be longer than the dimension of the storage portion of the cavity in a direction parallel to the direction of the light. You may. Increasing the dimension in the direction of the irradiated light increases the distance that the light passes through the test solution, thereby improving measurement accuracy.
- the measurement cell container may be preliminarily accommodated in the measurement cell container, and the measurement cell container may be sealed by the lid and the rubber stopper.
- a rubber sample from which the rubber was removed and the sample was collected was placed in the measurement cell container containing the reaction reagent in advance. Can be inserted and accommodated, and a rubber stopper can be press-fitted and sealed again, and the sample and the reaction reagent can be easily and reliably mixed into a test solution. In this mixing, there is no danger of spilling the reaction reagent or the test liquid.
- the method of using a measurement cell such as a colorimeter according to the present invention includes the steps of: storing a reaction reagent in the measurement cell container of the measurement cell such as the colorimeter according to claim 1;
- the sample is inserted and stored in a measurement cell container, and the reaction reagent and the sample are mixed and reacted in the measurement cell container to form the test solution.
- the capillary of the measurement cell container is stored by the colorimeter or the like. It is used so that the above-mentioned light is irradiated to the position above the part.
- the sample and the reaction reagent can be mixed in the measurement cell container, eliminating the need to transfer the test liquid generated by mixing in a conventional test tube, etc., which makes the measurement work easier and makes it easier to transfer There is no danger of spilling the test liquid.
- the measurement is performed by irradiating the test liquid above the cavities stored in the measuring cell container with the light, the cavities do not hinder the measurement.
- a reaction reagent is previously stored in the measurement cell container of the measurement cell such as the colorimeter according to claim 2, and a capillary from which a sample is collected is inserted into the measurement cell container by removing the rubber stopper. Press-fitting the rubber stopper and shaking the measuring cell container to mix and react the reaction reagent and the sample to obtain the test solution; and further using the colorimeter or the like to store the capillary in the measuring cell container It may be used by irradiating the light to a higher position.
- the measurement cell container can be hermetically sealed and freely inserted into the capillary by press-fitting and removing the rubber stopper, so that the reaction reagent can be stored in advance.
- the cap is pulled out and the capillary from which the sample has been collected is inserted and accommodated.
- the rubber stopper is then press-fitted and sealed, and the sample and reaction reagent can be mixed easily and reliably to obtain the test solution. During the mixing, there is no danger of spilling the reaction reagent or the test solution.
- FIG. 1 is an external perspective view of a measurement cell such as a colorimeter of the present invention.
- FIG. 2 is a longitudinal sectional view of the measuring cell shown in FIG.
- FIG. 3 is a diagram showing a procedure for collecting a sample on a capillary.
- FIG. 4 is a diagram showing a procedure for inserting and storing a capillary from which a sample has been collected in a measurement cell.
- FIG. 5 is a diagram showing a procedure for shaking the measurement cell well in order to cause a mixed reaction between the sample and the reaction reagent in the measurement cell.
- FIG. 6 is an external perspective view of a second embodiment of the measurement cell such as the colorimeter of the present invention.
- FIG. 7 is a longitudinal sectional view of the measuring cell shown in FIG.
- FIG. 8 is an external perspective view of a third embodiment of a measurement cell such as a colorimeter of the present invention.
- FIG. 9 is a view for explaining that a housed capillary interferes with measurement when a conventional measurement cell container is irradiated with light near the bottom for measurement.
- FIG. 1 is an external perspective view of a measurement cell such as a colorimeter of the present invention.
- FIG. 2 is a longitudinal sectional view of the measuring cell shown in FIG.
- FIG. 3 is a diagram showing a procedure for collecting a sample on a capillary.
- FIG. 4 is a diagram showing a procedure for inserting and storing a capillary from which a sample has been collected in a measurement cell.
- FIG. 5 is a diagram showing a procedure for shaking the measurement cell well in order to cause a mixed reaction between the sample and the reaction reagent in the measurement cell. 1 to 5, the same or equivalent members as those in FIG. 9 are denoted by the same reference numerals, and redundant description will be omitted.
- the measuring cell 30 of the colorimeter and the like of the present invention is a vertically long and horizontal cross section in which the measuring cell container 32 is molded from a transparent resin such as polycarbonate and the upper end is opened. Is a rectangular container having a substantially rectangular shape, and the same resin-molded lid 34 is appropriately fitted into the opening at the upper end, and is fixed with an adhesive. Further, a hole 36 through which the capillary 14 can be inserted is formed in the lid 34 through which a rubber stopper 38 is press-fitted. The depth inside measurement cell container 32 is set larger than the length of capillary 14.
- the adhesive portion of the measurement cell container 32 and the lid 34 has a water-tight structure, and when the rubber stopper 38 is press-fitted, the inside of the hanging cell container 32 becomes a sealed state.
- the reaction sample is placed in the measurement cell container 32 of the measurement cell 30 such as a colorimeter having such a configuration.
- the medicine is stored in advance and sealed by press-fitting a rubber stopper 38.
- the amount of the reaction reagent to be accommodated is set to be higher than the length of the capillary 14.
- the tip of the capillary 14 is brought into contact with a sample 40 such as blood, and the sample 40 is collected on the capillary 14 by capillary action.
- the amount of specimen 40 collected according to the dimensions of the capillaries 14 is constant.
- the capillary 14 from which the sample 40 was collected was removed from the rubber stopper 38 as shown in FIG. 4, and was introduced into the measuring cell container 32 through the hole 36, and the rubber stopper 3 was again inserted. 8 is pressed into the hole 36 to seal the inside of the measuring cell container 32.
- the measuring cell 30 containing the capillary 14 is shaken well by hand or an appropriate machine, and the sample is mixed with the reaction reagent already contained in the test solution.
- the measuring cell 30 is mounted on a measuring device such as a colorimeter, as shown in FIGS. 1 and 2.
- a measuring device such as a colorimeter
- light is radiated to the test liquid above the accommodation portion of the capillary 14 in the measurement cell container 30, and the capillary 14 does not disturb the measurement.
- the labor for transferring the test liquid is omitted, and there is no danger that the liquid will be eliminated when the liquid is transferred.
- the portion of the measurement cell container 32 to which light is irradiated has a rectangular horizontal cross section, so that light passes through the test solution even if the light irradiation position of the measurement cell container 32 is shifted. The distance does not change significantly and no large measurement errors occur.
- FIG. 6 is an external perspective view of a second embodiment of the measurement cell such as the colorimeter of the present invention.
- FIG. 7 is a vertical sectional view of the measuring cell shown in FIG.
- the difference between the second embodiment of the present invention shown in FIGS. 6 and 7 and the first embodiment of the present invention shown in FIGS. 1 and 2 is that the measurement cell container 52 of the measurement cell 50 has an upper light source.
- the horizontal cross section to be irradiated is formed by a circular large-diameter portion 52a and the horizontal cross-section in which the capillary 14 is accommodated and communicated with the circular large-diameter portion 52b.
- the light-irradiated portion has a circular horizontal cross-sectional shape, and if the light-irradiated position shifts in the horizontal direction, the distance that the light passes through the test liquid changes, and the measurement takes place. In some cases, a fixed error may occur. Therefore, it is desirable that the light irradiation position does not shift.
- FIG. 8 is an external perspective view of a third embodiment of a measurement cell such as a colorimeter of the present invention.
- the third embodiment of the present invention shown in FIG. 8 is different from the second embodiment in that the measurement cell container 62 of the measurement cell 60 is such that the upper part irradiated with light is longer in the light irradiation direction.
- the horizontal cross-sectional shape is formed of a rectangular portion 62 a having a rectangular shape and a horizontal narrow cross-section 62 b communicating with the capillary portion 14 to accommodate the capillary 14.
- the light passage distance can be reduced as compared with the second embodiment even with a small amount of the test liquid.
- the measurement accuracy can be further improved.
- the measuring cell containers 32, 52, and 62 may be formed in a tapered shape in which the inside slightly expands upward in order to facilitate removal from the mold during molding.
- the measurement cells 30, 50, and 60 need only be transparent at the portion that irradiates the light above the housed capillary 14, and the other portions need not be transparent.
- the reaction reagents are previously contained in the measurement cell containers 32, 52, and 62 and sealed with the rubber stopper 38. However, the rubber stopper 38 is removed and the capillary 14 is removed. May be inserted and the reaction reagent may be accommodated in the measurement cell containers 32, 52, 62.
- the sample is not limited to blood, and measurement with a colorimeter or the like is useful.
- the reaction reagent is appropriately selected according to the sample.
- the opening at the upper end of the measurement cell containers 32, 52, and 62 is closed by the lid 34 and the rubber stopper 38.
- the lid 34 itself is made of an elastic material such as rubber.
- the opening at the upper end of the measuring cell containers 32, 52, 62 may be freely closed and opened by press-fitting the lid 34 itself.
- a seal or the like may be attached to the opening at the upper end of the measuring cell container 32, 52, or 62 to close the opening, and the seal or the like may be peeled off to open.
- a seal or the like that can be attached and peeled several times may be used.
- the measuring cell such as the colorimeter of the present invention and the method of using the same are provided with an opening at the upper part of the measuring cell container so that the capillary can be inserted and stored in the measuring cell container from the opening. None, since the depth of the measurement cell container is larger than the length of the capillary, and the light is irradiated to a position above the storage portion of the capillary of the measurement cell container, By irradiating the test liquid above the capillary stored in the measurement cell container with light, the capillary does not disturb the measurement. Moreover, the measurement cell container does not require a structure in which the stored capillary is at a predetermined position, and can be molded with a simple mold. In addition, the sample and the reaction reagent can be mixed in the measurement cell container, eliminating the need to transfer the test solution generated by mixing in a conventional test tube, etc., making the measurement work easier There is no danger of spilling the test liquid when transferring.
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- Analytical Chemistry (AREA)
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- General Physics & Mathematics (AREA)
- Immunology (AREA)
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Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003344474A JP4170189B2 (ja) | 2003-10-02 | 2003-10-02 | 比色計等の測定セルおよびその使用方法 |
JP2003-344474 | 2003-10-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005033677A1 true WO2005033677A1 (ja) | 2005-04-14 |
Family
ID=34419390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/014788 WO2005033677A1 (ja) | 2003-10-02 | 2004-09-30 | 比色計等の測定セルおよびその使用方法 |
Country Status (2)
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JP (1) | JP4170189B2 (ja) |
WO (1) | WO2005033677A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100510706C (zh) * | 2005-11-08 | 2009-07-08 | 白莉 | 砷测定液及其比色测定管 |
CN100543453C (zh) * | 2005-11-08 | 2009-09-23 | 白莉 | 钍测定液及其比色测定管 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2633619T3 (es) * | 2005-07-27 | 2017-09-22 | Sysmex Corporation | Cubeta |
JP2010085276A (ja) * | 2008-09-30 | 2010-04-15 | Toru Obata | ゲル粒子生成器具及びこれを用いたゲル粒子測定装置 |
JP5333158B2 (ja) * | 2009-11-09 | 2013-11-06 | 株式会社島津製作所 | 液体試料配置機構、それを用いた屈折率測定装置及び屈折率測定方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53141688A (en) * | 1977-05-14 | 1978-12-09 | Bayer Ag | Preparatory device for measuring fluid for optical analizer |
JPS57182147A (en) * | 1981-05-01 | 1982-11-09 | Agency Of Ind Science & Technol | Analysis of olefin and its device |
JPS58191956A (ja) * | 1982-05-06 | 1983-11-09 | Sunstar Giken Kk | 試験液の反応状態測定装置 |
JP2002196007A (ja) * | 2000-12-25 | 2002-07-10 | Sysmex Corp | 液体試料測定ユニット及びそれを備えた自動液体試料分析装置 |
-
2003
- 2003-10-02 JP JP2003344474A patent/JP4170189B2/ja not_active Expired - Fee Related
-
2004
- 2004-09-30 WO PCT/JP2004/014788 patent/WO2005033677A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53141688A (en) * | 1977-05-14 | 1978-12-09 | Bayer Ag | Preparatory device for measuring fluid for optical analizer |
JPS57182147A (en) * | 1981-05-01 | 1982-11-09 | Agency Of Ind Science & Technol | Analysis of olefin and its device |
JPS58191956A (ja) * | 1982-05-06 | 1983-11-09 | Sunstar Giken Kk | 試験液の反応状態測定装置 |
JP2002196007A (ja) * | 2000-12-25 | 2002-07-10 | Sysmex Corp | 液体試料測定ユニット及びそれを備えた自動液体試料分析装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100510706C (zh) * | 2005-11-08 | 2009-07-08 | 白莉 | 砷测定液及其比色测定管 |
CN100543453C (zh) * | 2005-11-08 | 2009-09-23 | 白莉 | 钍测定液及其比色测定管 |
Also Published As
Publication number | Publication date |
---|---|
JP4170189B2 (ja) | 2008-10-22 |
JP2005106784A (ja) | 2005-04-21 |
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