WO2004023121A1 - 試験用具およびそれの製造方法 - Google Patents
試験用具およびそれの製造方法 Download PDFInfo
- Publication number
- WO2004023121A1 WO2004023121A1 PCT/JP2003/011462 JP0311462W WO2004023121A1 WO 2004023121 A1 WO2004023121 A1 WO 2004023121A1 JP 0311462 W JP0311462 W JP 0311462W WO 2004023121 A1 WO2004023121 A1 WO 2004023121A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- test device
- coloring
- color
- layers
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/52—Use of compounds or compositions for colorimetric, spectrophotometric or fluorometric investigation, e.g. use of reagent paper and including single- and multilayer analytical elements
- G01N33/525—Multi-layer analytical elements
-
- 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
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
-
- 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
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
- G01N21/272—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration for following a reaction, e.g. for determining photometrically a reaction rate (photometric cinetic analysis)
-
- 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
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
-
- 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
- G01N21/84—Systems specially adapted for particular applications
- G01N21/8483—Investigating reagent band
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
Definitions
- the present invention relates to a test tool used for analyzing a specific component in a sample solution and a method for producing the same.
- a dry test tool there is a dry test tool in which a plurality of coloring layers 91 are arranged in a matrix on a carrier 90 as shown in FIGS. Each of the coloring layers 91 is collectively covered with the spreading permeation layer 92.
- the sample liquid is spotted on the spread permeable layer 92, the sample liquid permeates in the thickness direction while spreading in the plane direction of the spread permeable layer 92 in the spread permeable layer 92. I will do it. As a result, the sample liquid is supplied to the entire coloring layer 91.
- the spreading liquid layer 92 can spread the sample liquid in the plane direction, so that a liquid junction occurs between the adjacent coloring layers 91, and these coloring layers are formed. Interference between 91 may occur. That is, a coloring material that has exuded from a certain coloring layer 91 may be mixed into the adjacent coloring layer 91 via the spreading penetrating layer 92 in some cases.
- a partition 93 is provided between adjacent coloring layers 91 (for example, see Japanese Patent Application Laid-Open No. 2002-71684). It is also considered to provide a water-repellent layer between the adjacent color forming layers 91 (for example, see Japanese Patent Application Laid-Open No. 2001-349835).
- An object of the present invention is to provide an analytical device having a plurality of color-forming layers, which can be advantageously manufactured at a low cost, and that suppresses mutual interference between adjacent color-forming layers while achieving a small test tool. It is an object.
- An analysis tool provided by the first aspect of the present invention comprises: a permeable layer; and a plurality of color-forming layers that are in contact with the permeable layer.
- a test device configured to supply to each of the coloring layers via a permeable layer, wherein the permeable layer mainly penetrates a liquid in a thickness direction or a substantially thickness direction of the permeable layer, and The liquid has a limited penetration in the plane direction.
- the test device of the present invention may be configured such that a plurality of color-forming layers and a permeation layer are laminated on a carrier in this order.
- a carrier formed of a non-water-absorbing material is preferably used.
- the material for forming the non-water-absorbing carrier include resin materials such as ET and PC.
- the permeation layer and the number of color-forming layers may be laminated on the water-absorbing carrier in this order.
- the sample liquid supplied to the water-absorbing carrier is supplied to each color-forming layer via the permeable layer.
- a porous body can be used.
- the porous material for example, a paper-like material, a foam (foam), a woven fabric, a nonwoven fabric, a knit, a glass finoletter, and a gel-like material can be used.
- the permeable layer for example, a permeable membrane having a plurality of pores extending in the thickness direction or substantially the thickness direction is used. The pore size of the plurality of pores is set to, for example, 0.1 to: 12 m, and the porosity of the permeable membrane is set to, for example, 4 to 20 vol%.
- the permeable membrane it is preferable to use a track-etched membrane (Track Etched Membrane) formed by a track etching method.
- the pore size (pore size) and porosity can be controlled by the neutron irradiation time and etching time.
- those having a glass filter or a honeycomb structure can also be used.
- the plurality of coloring layers are arranged, for example, in a matrix.
- the plurality of coloring layers can be arranged in a shape.
- the plurality of color-forming layers are formed inside the specific region, and the area of the specific region is set to, for example, 2.0 to: L5 mm X 2.0 to 15 mm.
- the occupied area of each coloring layer in a specific region is set to, for example 2.0Iotaitaiotaita 2 below.
- the analysis tool of the present invention is typically configured so that at least two or more of the plurality of color-forming layers contain mutually different color-forming components, so that a plurality of items can be measured.
- a reagent solution containing a coloring component is applied on a carrier by a non-swordworm application device, and then the reagent solution is dried to form a plurality of coloring layers.
- a method for manufacturing an analytical tool comprising: a first step; and a second step of adhering a permeable membrane so as to cover the plurality of color-forming layers, wherein the second step comprises:
- a method for manufacturing a test device is described, in which a liquid is penetrated mainly in the thickness direction or substantially the thickness direction of the permeation layer, and a liquid whose permeation in the plane direction of the permeation membrane is restricted is used.
- the same one as described in the first aspect described above can be used.
- the non-deworming quantitative application apparatus for example, an apparatus employing an ink jet method is used.
- an apparatus adopting a dispenser discharge method can be used.
- a plurality of coloring layers are formed so as to be arranged, for example, in a matrix.
- the plurality of coloring layers may be formed so as to be arranged in a row.
- at least two or more of the plurality of color forming layers can be formed so as to include color forming components different from each other. That is, the present invention can be applied to the manufacture of an analytical tool capable of analyzing a plurality of items. it can.
- the plurality of color-forming layers are formed inside a specific area having an area force of 0 to 15 mm X 2.0 to: 15 mm.
- the area occupied by each coloring layer in the specific area is set to, for example, 2.0 mm 2 or less.
- FIG. 1 is an overall perspective view of a test tool according to a first embodiment of the present invention.
- FIG. 2 is a sectional view taken along the line II-IL of FIG.
- FIG. 3 is a cross-sectional view for explaining an analysis method using the test tool shown in FIGS. 1 and 2.
- FIG. 4 is a cross-sectional view for explaining an analysis method using the test tool shown in FIGS. 1 and 2.
- FIG. 5 is an overall perspective view of a test tool according to the second embodiment of the present invention.
- FIG. 6 is a cross-sectional view for explaining the operation of the test device shown in FIG.
- FIG. 7 is an overall perspective view for explaining a conventional test tool.
- FIG. 8 is a sectional view taken along the line VIII-VIII in FIG.
- FIG. 9 is an overall perspective view for explaining another example of a conventional test tool.
- FIG. 10 is a cross-sectional view taken along line XX of FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 and FIG. 2 are diagrams for explaining a test tool according to a first embodiment of the present invention.
- the test utensil 1 is configured so that a plurality of items can be inspected from the same sample liquid, and has a carrier 2, a plurality of coloring layers 3 and a permeation layer 4.
- the carrier 2 is made of a material having a low liquid permeability, such as a resin material such as "PET or PC.
- the plurality of coloring layers 3 are arranged in a matrix.
- a plurality of coloring layers 3 are arranged in 3 rows and 3 columns, indicating a total of 9 coloring layers 3.
- the number of coloring layers 3 is a design matter and is limited to 9 Done ,.
- Each coloring layer 3 reacts with a specific component in a sample liquid such as urine or blood, and develops a color corresponding to the amount of the specific component.
- Each coloring layer 3 is formed in a circular shape having a diameter of about l mm using, for example, a non-swordworm quantitative coating device. In the drawing, the force in which each coloring layer 3 is formed in a circle.
- Each coloring layer 3 may be formed in a shape such as a rectangle. However, the area of the coloring layer 3 is preferably set to 2.0 mm 2 or less.
- an apparatus employing an ink jet system or a dispenser single discharge system can be used.
- a reagent solution containing a target color-forming component is applied onto the carrier 2, and then the reagent solution is dried to form the color-forming layer 3.
- each color-forming layer 3 can be formed into a target size by applying the sample liquid a plurality of times. For example, even if the color-forming layer 3 has a circular shape with a diameter of 1 mm, It can be easily formed by controlling the size of the reagent liquid droplet.
- the permeation layer 4 has liquid permeability mainly in the thickness direction and has a limited liquid permeation in the plane direction, and is formed, for example, in a size of 2.0 to 15 mm X 2.0 to 15 mm.
- the osmotic layer 4 is provided by, for example, adhering a permeable membrane to each color-forming layer 3 without any gap by a method such as thermal bonding.
- a permeable membrane having a large number of pores 40 extending in the thickness direction or substantially the thickness direction is used as the permeable membrane.
- each of the pores 40 is exaggerated, and each of the pores 40 does not necessarily have to extend in a thickness direction. Anything that can provide liquid permeability in the direction is acceptable.
- Examples of such a permeable membrane include a glass finoleta, one having a honeycomb structure, and a track-etched membrane (Track Etched Membrane) formed by a track etching method.
- Track Etched Membrane Track Etched Membrane
- "CYCLO PORE" from Whatman Neural can be typically used.
- the track etching method is a method in which, for example, a polymer film formed of polycarbonate / polyester is irradiated with neutrons, and then pores are formed by chemical etching.
- the pore size (pore size) and porosity can be controlled by the neutron irradiation time and etching time. it can.
- a permeable membrane having, for example, a pore size (pore size) force of 0.1 to 12 ⁇ and a porosity of 4 to 20% is used.
- the sample solution S is first spotted on the osmotic layer 4 of the test device 1 as shown in FIG. If the size of the osmotic layer 4 is 5 ⁇ 5 mm3 ⁇ 4g, the amount of the sample liquid S deposited on the test utensil 1 is, for example, 4 to 6 ⁇ L (corresponding to a droplet having a diameter of 2 to 3 mm3 ⁇ 43 ⁇ 4).
- the osmotic layer 4 is mainly formed of a permeable membrane having liquid permeability in the thickness direction
- the sample liquid S spotted along the pores 40 is mainly in the thickness direction. Move down. As a result, the sample liquid S is guided to the respective color forming layers 3 by the plurality of pores 40, and the sample liquid S is supplied to the respective color forming layers 3.
- a specific component in the sample solution was allowed to react with the coloring component for a certain period of time, and then the color development in each coloring layer 3 was observed by an optical method. Will be inspected. More specifically, light is emitted to each color-forming layer 3 using the light source 50, and the reflected light at that time is received by the light-receiving sensor 51. The degree of color development or the concentration of a specific component in the sample solution is calculated.
- the sample liquid S is configured to penetrate in the thickness direction of the permeable layer 4 by the plurality of pores 40 and the like, and does not spread in the plane direction of the permeable layer 4. ing.
- the coloring components of a certain coloring layer 3 are mixed into the coloring layer 3 which is ⁇ g, that is, I
- the mutual interference of the coloring layer 3 can be suppressed.
- Such suppression of mutual interference can be achieved only by forming a permeable layer 4 by closely adhering a permeable membrane characteristically having liquid permeability in the thickness direction.
- the test utensil 1 can be manufactured at a cost advantage by using only an expensive device or performing a special treatment in order to suppress mutual interference. Further, if the mutual interference can be suppressed, it is possible to set a small distance between the color-forming layers 3 that come into contact with each other. As a result, the dimensions of the test device 1 as a whole, in particular, the area where the sample liquid is to be spotted or the area to which light is to be irradiated (light irradiation Area) can be set smaller. As a result, the required sample liquid
- each coloring layer 3 is formed into a circle or a rectangle having a diameter of about 1 mm or one side by an ink jet method or the like, it is difficult to inspect a single item in a conventional manner. Since a plurality of coloring layers 3 can be aggregated to measure the above items, the amount of coloring components (reagents) and carriers to be used can be reduced.
- the sample solution is analyzed based on the reflected light when light is irradiated from the permeation layer side.
- the carrier is formed of a transparent material, and the carrier is formed based on the amount of transmitted light. It may be configured to analyze a sample liquid. Further, when the carrier is configured to be transparent, light may be irradiated from the back side of the carrier, and the sample liquid may be analyzed based on the amount of reflected light or transmitted light at that time.
- the illustrated analysis tool 1B has a configuration in which a permeable layer 4B is formed on an absorbent carrier 2B, and a plurality of coloring layers 3B are arranged in a matrix on the permeable layer 4B. You.
- the absorbent carrier 2B is formed, for example, in a porous manner, and is formed so as to have liquid permeability at least in the plane direction of the absorbent carrier 2B.
- the absorbent carrier 2B is formed, for example, as a paper-like material, a foam (foam), a woven fabric, a nonwoven fabric, a knitted fabric, a glass finoletter, or a gel-like material.
- the penetrating layer 4B and the coloring layer 3B are laminated on the absorbent carrier 2B in this order so as to cover a substantially half area of the absorbent carrier 2B.
- the permeable layer 4B is formed by adhering a permeable membrane similar to that described in the first embodiment to the absorbent carrier 2B.
- the coloring layer 3B is formed on the penetrating layer 4B by, for example, an inkjet method.
- test device 1B In such a test device 1B, as shown in FIG.
- the sample solution S When the sample solution S is spotted, the sample solution spreads on one surface of the absorbent carrier 2B by capillary action.
- the sample solution S in the portion where the sword is penetrated by the osmotic layer 4 B is absorbed and raised by the osmotic layer 4 B combined so as to generate a stronger capillary phenomenon, and is supplied to each coloring layer 3 B. .
- a plurality of items are inspected using an optical method.
- test utensil 1B is provided with the penetrating layer 4B that allows the liquid to penetrate characteristically in the thickness direction, the mutual interference between the adjacent coloring layers 3B is suppressed as in the case of the first embodiment. At the same time, the size of the test tool 1B can be reduced in cost.
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Urology & Nephrology (AREA)
- Food Science & Technology (AREA)
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- Biophysics (AREA)
- Cell Biology (AREA)
- Biotechnology (AREA)
- Plasma & Fusion (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating Or Analysing Biological Materials (AREA)
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- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/526,297 US20050255602A1 (en) | 2002-09-09 | 2003-09-08 | Test kit and process for producing the same |
AU2003262004A AU2003262004A1 (en) | 2002-09-09 | 2003-09-08 | Test kit and process for producing the same |
AT03794289T ATE510206T1 (de) | 2002-09-09 | 2003-09-08 | Testkit |
EP03794289A EP1548425B1 (en) | 2002-09-09 | 2003-09-08 | Test kit |
CN03821133.5A CN1682107B (zh) | 2002-09-09 | 2003-09-08 | 试验用具及其制造方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002262510A JP4283512B2 (ja) | 2002-09-09 | 2002-09-09 | 試験用具、およびそれの製造方法 |
JP2002-262510 | 2002-09-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004023121A1 true WO2004023121A1 (ja) | 2004-03-18 |
Family
ID=31973162
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/011462 WO2004023121A1 (ja) | 2002-09-09 | 2003-09-08 | 試験用具およびそれの製造方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20050255602A1 (ja) |
EP (1) | EP1548425B1 (ja) |
JP (1) | JP4283512B2 (ja) |
CN (1) | CN1682107B (ja) |
AT (1) | ATE510206T1 (ja) |
AU (1) | AU2003262004A1 (ja) |
WO (1) | WO2004023121A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101473217B (zh) * | 2006-06-16 | 2011-10-05 | 索尼达德克奥地利股份公司 | 用于指示天然产品的期龄或品质的光学传感器和方法 |
JP4770623B2 (ja) * | 2006-07-21 | 2011-09-14 | 大日本印刷株式会社 | 検知紙 |
CN104502343B (zh) * | 2015-01-23 | 2017-12-19 | 昆明泊银科技有限公司 | 一种特殊专用检测试纸的制备方法 |
CN111879768B (zh) * | 2020-07-30 | 2022-03-18 | 上海化工研究院有限公司 | 一种多功能分段显色的酸碱梯度快速检测瓶及其应用 |
Citations (7)
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JPH06213886A (ja) * | 1993-01-13 | 1994-08-05 | Fuji Photo Film Co Ltd | 多項目分析方法 |
JP2000146959A (ja) * | 1998-11-12 | 2000-05-26 | Kdk Corp | 検体分析用具 |
WO2000042430A1 (en) | 1999-01-15 | 2000-07-20 | Medtox Scientific, Inc. | Lateral flow test strip |
JP2001330606A (ja) * | 2000-05-19 | 2001-11-30 | Shinya Watanabe | 試料チップ作製方法 |
JP2001349835A (ja) | 2000-06-09 | 2001-12-21 | Hirose Denshi System Kk | 呈色物定量用の試験紙 |
JP2002071684A (ja) | 2000-08-25 | 2002-03-12 | Wako Pure Chem Ind Ltd | 多項目生体成分測定用試験具及びその製造方法 |
WO2002063296A1 (en) | 2000-12-28 | 2002-08-15 | Fernandez De Castro Aurora L | Test strip for simultaneous detection of a plurality of analytes |
Family Cites Families (11)
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US4816224A (en) * | 1980-08-05 | 1989-03-28 | Boehringer Mannheim Gmbh | Device for separating plasma or serum from whole blood and analyzing the same |
DE3118381A1 (de) * | 1981-05-09 | 1982-11-25 | Boehringer Mannheim Gmbh, 6800 Mannheim | Mehrschichtiges testmittel zum nachweis einer komponente einer fluessigen probe |
US4839296A (en) * | 1985-10-18 | 1989-06-13 | Chem-Elec, Inc. | Blood plasma test method |
CN2047376U (zh) * | 1989-01-30 | 1989-11-08 | 中国农业科学院茶叶研究所 | 菊酯农药鉴定板 |
DE3922495A1 (de) * | 1989-07-08 | 1991-01-17 | Miles Inc | Analyseverfahren fuer substanzen aus biologischen fluessigkeiten, insbesondere vollblut |
GB9002274D0 (en) * | 1990-02-01 | 1990-03-28 | Cranfield Biotech Ltd | Colorimetric analysis |
DE4202850A1 (de) * | 1992-01-31 | 1993-08-05 | Boehringer Mannheim Gmbh | Analysenelement fuer immunoassays |
US5708247A (en) * | 1996-02-14 | 1998-01-13 | Selfcare, Inc. | Disposable glucose test strips, and methods and compositions for making same |
US6036659A (en) * | 1998-10-09 | 2000-03-14 | Flexsite Diagnostics, Inc. | Collection device for biological samples and methods of use |
US20010028862A1 (en) * | 2000-01-21 | 2001-10-11 | Kenji Iwata | Test device for a multi-items test and the method for producing the same as well as a measuring instrument for the test device |
EP1459064B1 (en) * | 2001-12-28 | 2008-02-13 | Polymer Technology Systems, Inc. | Test strip for determining concentration of triglycerides |
-
2002
- 2002-09-09 JP JP2002262510A patent/JP4283512B2/ja not_active Expired - Lifetime
-
2003
- 2003-09-08 WO PCT/JP2003/011462 patent/WO2004023121A1/ja active Application Filing
- 2003-09-08 AU AU2003262004A patent/AU2003262004A1/en not_active Abandoned
- 2003-09-08 AT AT03794289T patent/ATE510206T1/de not_active IP Right Cessation
- 2003-09-08 EP EP03794289A patent/EP1548425B1/en not_active Expired - Lifetime
- 2003-09-08 US US10/526,297 patent/US20050255602A1/en not_active Abandoned
- 2003-09-08 CN CN03821133.5A patent/CN1682107B/zh not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06213886A (ja) * | 1993-01-13 | 1994-08-05 | Fuji Photo Film Co Ltd | 多項目分析方法 |
JP2000146959A (ja) * | 1998-11-12 | 2000-05-26 | Kdk Corp | 検体分析用具 |
WO2000042430A1 (en) | 1999-01-15 | 2000-07-20 | Medtox Scientific, Inc. | Lateral flow test strip |
JP2001330606A (ja) * | 2000-05-19 | 2001-11-30 | Shinya Watanabe | 試料チップ作製方法 |
JP2001349835A (ja) | 2000-06-09 | 2001-12-21 | Hirose Denshi System Kk | 呈色物定量用の試験紙 |
JP2002071684A (ja) | 2000-08-25 | 2002-03-12 | Wako Pure Chem Ind Ltd | 多項目生体成分測定用試験具及びその製造方法 |
WO2002063296A1 (en) | 2000-12-28 | 2002-08-15 | Fernandez De Castro Aurora L | Test strip for simultaneous detection of a plurality of analytes |
Also Published As
Publication number | Publication date |
---|---|
EP1548425A1 (en) | 2005-06-29 |
CN1682107B (zh) | 2010-09-22 |
EP1548425A4 (en) | 2006-11-02 |
US20050255602A1 (en) | 2005-11-17 |
CN1682107A (zh) | 2005-10-12 |
AU2003262004A1 (en) | 2004-03-29 |
JP2004101328A (ja) | 2004-04-02 |
EP1548425B1 (en) | 2011-05-18 |
JP4283512B2 (ja) | 2009-06-24 |
ATE510206T1 (de) | 2011-06-15 |
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