CH620519A5 - - Google Patents
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- Publication number
- CH620519A5 CH620519A5 CH1284577A CH1284577A CH620519A5 CH 620519 A5 CH620519 A5 CH 620519A5 CH 1284577 A CH1284577 A CH 1284577A CH 1284577 A CH1284577 A CH 1284577A CH 620519 A5 CH620519 A5 CH 620519A5
- Authority
- CH
- Switzerland
- Prior art keywords
- opening
- measuring
- chamber
- measurement
- particle
- Prior art date
Links
- 238000005259 measurement Methods 0.000 claims description 36
- 239000002245 particle Substances 0.000 claims description 36
- 230000003287 optical effect Effects 0.000 claims description 18
- 239000003792 electrolyte Substances 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 8
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 210000004027 cell Anatomy 0.000 description 6
- 239000004480 active ingredient Substances 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 230000032823 cell division Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 210000002569 neuron Anatomy 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- CFCUWKMKBJTWLW-UHFFFAOYSA-N deoliosyl-3C-alpha-L-digitoxosyl-MTM Natural products CC=1C(O)=C2C(O)=C3C(=O)C(OC4OC(C)C(O)C(OC5OC(C)C(O)C(OC6OC(C)C(O)C(C)(O)C6)C5)C4)C(C(OC)C(=O)C(O)C(C)O)CC3=CC2=CC=1OC(OC(C)C1O)CC1OC1CC(O)C(O)C(C)O1 CFCUWKMKBJTWLW-UHFFFAOYSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000009652 hydrodynamic focusing Methods 0.000 description 1
- CFCUWKMKBJTWLW-BKHRDMLASA-N mithramycin Chemical compound O([C@@H]1C[C@@H](O[C@H](C)[C@H]1O)OC=1C=C2C=C3C[C@H]([C@@H](C(=O)C3=C(O)C2=C(O)C=1C)O[C@@H]1O[C@H](C)[C@@H](O)[C@H](O[C@@H]2O[C@H](C)[C@H](O)[C@H](O[C@@H]3O[C@H](C)[C@@H](O)[C@@](C)(O)C3)C2)C1)[C@H](OC)C(=O)[C@@H](O)[C@@H](C)O)[C@H]1C[C@@H](O)[C@H](O)[C@@H](C)O1 CFCUWKMKBJTWLW-BKHRDMLASA-N 0.000 description 1
- 238000005375 photometry Methods 0.000 description 1
- 229960003171 plicamycin Drugs 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
- G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/14—Optical investigation techniques, e.g. flow cytometry
- G01N15/1425—Optical investigation techniques, e.g. flow cytometry using an analyser being characterised by its control arrangement
- G01N15/1427—Optical investigation techniques, e.g. flow cytometry using an analyser being characterised by its control arrangement with the synchronisation of components, a time gate for operation of components, or suppression of particle coincidences
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/14—Optical investigation techniques, e.g. flow cytometry
- G01N15/1456—Optical investigation techniques, e.g. flow cytometry without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals
- G01N15/1459—Optical investigation techniques, e.g. flow cytometry without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals the analysis being performed on a sample stream
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N2015/1019—Associating Coulter-counter and optical flow cytometer [OFC]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
- G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
- G01N15/131—Details
- G01N2015/133—Flow forming
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2656654A DE2656654C3 (de) | 1976-12-14 | 1976-12-14 | Vorrichtung zur Messung des Volumens und bestimmter optischer Eigenschaften von Partikeln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH620519A5 true CH620519A5 (fr) | 1980-11-28 |
Family
ID=5995517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1284577A CH620519A5 (fr) | 1976-12-14 | 1977-10-21 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4198160A (fr) |
| JP (1) | JPS5374476A (fr) |
| CH (1) | CH620519A5 (fr) |
| DE (1) | DE2656654C3 (fr) |
| GB (1) | GB1585295A (fr) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4284355A (en) * | 1979-10-29 | 1981-08-18 | Ortho Diagnostics, Inc. | Automated method for cell volume determination |
| US4298836A (en) * | 1979-11-23 | 1981-11-03 | Coulter Electronics, Inc. | Particle shape determination |
| DE3266669D1 (en) * | 1981-06-24 | 1985-11-07 | Becton Dickinson Co | Analyzer for simultaneously determining volume and light emission characteristics of particles |
| US4499052A (en) * | 1982-08-30 | 1985-02-12 | Becton, Dickinson And Company | Apparatus for distinguishing multiple subpopulations of cells |
| JPS59184841A (ja) * | 1983-04-05 | 1984-10-20 | ベクトン・デイツキンソン・アンド・カンパニ− | サンプル中の白血球のサブクラスを識別する方法および装置 |
| US4710021A (en) * | 1983-10-14 | 1987-12-01 | Sequoia-Turner Corporation | Particulate matter analyzing apparatus and method |
| DE3420018A1 (de) * | 1984-05-29 | 1985-12-05 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen | Vorrichtung zur messung bestimmter eigenschaften in einem traegermedium suspendierter partikel |
| US4769609A (en) * | 1986-09-19 | 1988-09-06 | Senichi Masuda | Measurement of ultra-fine particles utilizing pulsed corona signals |
| EP0279000B1 (fr) * | 1987-02-17 | 1993-07-21 | Ratcom, Inc. | Cytométrie à écoulement |
| JPH05846Y2 (fr) * | 1987-02-26 | 1993-01-11 | ||
| WO1989004961A1 (fr) * | 1987-11-13 | 1989-06-01 | Techne Corporation | Appareil hematologique de comptage de cellules |
| US5194909A (en) * | 1990-12-04 | 1993-03-16 | Tycko Daniel H | Apparatus and method for measuring volume and hemoglobin concentration of red blood cells |
| JP3232145B2 (ja) * | 1991-12-27 | 2001-11-26 | シスメックス株式会社 | 網赤血球測定方法 |
| EP0580525A1 (fr) * | 1992-07-13 | 1994-01-26 | Eastman Kodak Company | Sonde de taille de particule pour des émulsions à l'halogénure d'argent |
| GB9215733D0 (en) * | 1992-07-24 | 1992-09-09 | British Tech Group | Method of and apparatus for determining a property of a sample |
| US5395588A (en) * | 1992-12-14 | 1995-03-07 | Becton Dickinson And Company | Control of flow cytometer having vacuum fluidics |
| US5380491A (en) * | 1993-01-21 | 1995-01-10 | Cdc Technologies, Inc. | Apparatus for pumping and directing fluids for hematology testing |
| US5728351A (en) * | 1993-01-21 | 1998-03-17 | Cdc Technologies, Inc. | Apparatus for making a plurality of reagent mixtures and analyzing particle distributions of the reagent mixtures |
| US6812032B1 (en) * | 1993-01-21 | 2004-11-02 | Cdc Technologies, Inc. | Apparatus and method for making a plurality of reagent mixtures and analyzing particle distributions of the reagent mixtures |
| US5570175A (en) * | 1994-03-07 | 1996-10-29 | Ceram Optec Industries Inc. | Method for determination of degree of molecular dissociation in plasma using combined electrostatic measurement and emission spectroscopy |
| GB9405028D0 (en) * | 1994-03-15 | 1994-04-27 | Counting Tech Ltd | Fluid diluter |
| JP3347495B2 (ja) * | 1994-11-14 | 2002-11-20 | シスメックス株式会社 | 粒子分析装置 |
| US5840254A (en) * | 1995-06-02 | 1998-11-24 | Cdc Technologies, Inc. | Apparatus for mixing fluids for analysis |
| US5818731A (en) * | 1995-08-29 | 1998-10-06 | Mittal; Gauri S. | Method and apparatus for measuring quality of frying/cooking oil/fat |
| JP3587607B2 (ja) * | 1995-12-22 | 2004-11-10 | シスメックス株式会社 | 粒子測定装置およびその方法 |
| US6122599A (en) | 1998-02-13 | 2000-09-19 | Mehta; Shailesh | Apparatus and method for analyzing particles |
| GB9810493D0 (en) * | 1998-05-16 | 1998-07-15 | Microbial Systems Ltd | Particle detector system |
| US7656146B2 (en) * | 2006-11-02 | 2010-02-02 | Shenzhen Mindray Bio-Medical Electronics Co., Ltd. | Particle analyzer based on sheath flow impedance method |
| CN102087197B (zh) * | 2009-12-08 | 2014-06-18 | 龚维燕 | 全功能血液分析仪器中库尔特微孔的共轴照明方法及其分析仪器 |
| CN111587371B (zh) * | 2017-12-30 | 2024-06-07 | 深圳迈瑞生物医疗电子股份有限公司 | 鞘流阻抗法粒子分析仪及其测量方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL137000C (fr) * | 1964-03-26 | |||
| DE1815352C3 (de) * | 1968-12-18 | 1975-03-20 | Wolfgang Prof. Dr. Dittrich | Automatisches MeB- und Zählgerät für die Teilchen einer Dispersion |
| US3770349A (en) * | 1969-03-17 | 1973-11-06 | Sanchez G Legorreta | Method and apparatus for automatically classifying complex, microscopic particles such as human cells |
| DE1919628C3 (de) * | 1969-04-18 | 1975-04-10 | Wolfgang Prof. Dr. Dittrich | Anordnung zum automatischen Zählen und/oder Klassifizieren von in einem strömungsfähigen Medium dispergierten Teilchen |
| US3910702A (en) * | 1974-02-12 | 1975-10-07 | Particle Technology Inc | Apparatus for detecting particles employing apertured light emitting device |
| US4070617A (en) * | 1974-05-08 | 1978-01-24 | Max-Planck-Gesellschaft Zur Forderung Der Wissenschaften E.V. | Device for controlling the particle flow in an apparatus for measuring the properties of particles suspended in liquid |
| JPS51103482A (fr) * | 1975-03-08 | 1976-09-13 | Toa Electric Co Ltd | |
| US4014611A (en) * | 1975-04-30 | 1977-03-29 | Coulter Electronics, Inc. | Aperture module for use in particle testing apparatus |
-
1976
- 1976-12-14 DE DE2656654A patent/DE2656654C3/de not_active Expired
-
1977
- 1977-10-21 GB GB43903/77A patent/GB1585295A/en not_active Expired
- 1977-10-21 CH CH1284577A patent/CH620519A5/de not_active IP Right Cessation
- 1977-11-29 JP JP14324077A patent/JPS5374476A/ja active Granted
- 1977-12-07 US US05/858,310 patent/US4198160A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2656654A1 (de) | 1978-07-13 |
| JPH0114531B2 (fr) | 1989-03-13 |
| DE2656654B2 (de) | 1980-06-04 |
| JPS5374476A (en) | 1978-07-01 |
| US4198160A (en) | 1980-04-15 |
| DE2656654C3 (de) | 1981-02-12 |
| GB1585295A (en) | 1981-02-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |