GB1584402A - Classification of particles - Google Patents
Classification of particles Download PDFInfo
- Publication number
- GB1584402A GB1584402A GB19612/77A GB1961277A GB1584402A GB 1584402 A GB1584402 A GB 1584402A GB 19612/77 A GB19612/77 A GB 19612/77A GB 1961277 A GB1961277 A GB 1961277A GB 1584402 A GB1584402 A GB 1584402A
- Authority
- GB
- United Kingdom
- Prior art keywords
- light
- particles
- station
- detector
- scattered
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000002245 particle Substances 0.000 title claims description 71
- 230000003287 optical effect Effects 0.000 claims description 42
- 210000000265 leukocyte Anatomy 0.000 claims description 28
- 238000005286 illumination Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 10
- 230000007935 neutral effect Effects 0.000 claims description 5
- 238000000149 argon plasma sintering Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- 210000004027 cell Anatomy 0.000 description 15
- 238000004458 analytical method Methods 0.000 description 8
- 230000031700 light absorption Effects 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 7
- 210000003979 eosinophil Anatomy 0.000 description 7
- 230000003993 interaction Effects 0.000 description 6
- 238000002835 absorbance Methods 0.000 description 5
- 210000004369 blood Anatomy 0.000 description 3
- 239000008280 blood Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 210000000805 cytoplasm Anatomy 0.000 description 2
- 241000276498 Pollachius virens Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- G01N15/14—Optical investigation techniques, e.g. flow cytometry
- G01N15/1434—Optical arrangements
-
- 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
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 Or Analysing Biological Materials (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/718,745 US4072421A (en) | 1976-08-30 | 1976-08-30 | Method and apparatus for optical discrimination of particles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1584402A true GB1584402A (en) | 1981-02-11 |
Family
ID=24887331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB19612/77A Expired GB1584402A (en) | 1976-08-30 | 1977-05-10 | Classification of particles |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4072421A (enExample) |
| JP (1) | JPS5329794A (enExample) |
| AU (1) | AU2539977A (enExample) |
| BE (1) | BE856807A (enExample) |
| CA (1) | CA1069724A (enExample) |
| DE (1) | DE2725441A1 (enExample) |
| FR (1) | FR2363099A1 (enExample) |
| GB (1) | GB1584402A (enExample) |
| IT (1) | IT1082827B (enExample) |
| NL (1) | NL7708508A (enExample) |
| SE (1) | SE7705837L (enExample) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4273443A (en) * | 1979-11-21 | 1981-06-16 | Coulter Electronics, Inc. | Method and apparatus for measurement of reradiation in particle flow cell systems |
| US4221485A (en) * | 1979-06-04 | 1980-09-09 | Honeywell Inc. | Optical smoke detector |
| US4488812A (en) * | 1979-05-22 | 1984-12-18 | American Home Products Corporation | Photometric apparatus |
| US4291983A (en) * | 1979-05-22 | 1981-09-29 | American Home Products Corporation | Photometric apparatus and method |
| US4284412A (en) * | 1979-07-13 | 1981-08-18 | Ortho Diagnostics, Inc. | Method and apparatus for automated identification and enumeration of specified blood cell subclasses |
| EP0074365A1 (en) * | 1981-03-16 | 1983-03-23 | Mount Isa Mines Limited | Measurement of bulk density of particulate materials |
| US4492752A (en) * | 1982-09-03 | 1985-01-08 | Ortho Diagnostics Systems Inc. | Method for discriminating between unstained and absorbing dye stained cells |
| US4596035A (en) * | 1983-06-27 | 1986-06-17 | Ortho Diagnostic Systems Inc. | Methods for enumerating 3-part white cell differential clusters |
| DE3412620A1 (de) * | 1984-04-04 | 1985-10-17 | Basf Ag, 6700 Ludwigshafen | Laseroptische anordnung zur messung des dispergiergrades in stroemenden systemen |
| FR2565689B1 (fr) * | 1984-06-12 | 1987-11-20 | Elf France | Procede et dispositif pour la determination du point de trouble d'un gazole |
| JPS6135331A (ja) * | 1984-07-28 | 1986-02-19 | Japan Spectroscopic Co | 微小粒子分離装置 |
| US4839528A (en) * | 1986-05-17 | 1989-06-13 | Canon Kabushiki Kaisha | Particle analyzing apparatus using an afocal light beam |
| US4850707A (en) * | 1986-06-06 | 1989-07-25 | Massachusetts Institute Of Technology | Optical pulse particle size analyzer |
| JPH0668491B2 (ja) * | 1986-06-30 | 1994-08-31 | 株式会社日立製作所 | 細胞自動分類装置 |
| JPH03140840A (ja) * | 1989-10-26 | 1991-06-14 | Hitachi Ltd | 流動細胞分析装置 |
| JP3442220B2 (ja) * | 1996-05-15 | 2003-09-02 | シスメックス株式会社 | 光散乱媒体中物体の可視化光学システム |
| KR100503020B1 (ko) * | 1997-03-10 | 2005-11-08 | 후지 덴키 가부시끼가이샤 | 탁도의측정방법및장치 |
| US7092078B2 (en) | 2003-03-31 | 2006-08-15 | Nihon Kohden Corporation | Flow cytometer for classifying leukocytes and method for determining detection angle range of the same |
| FR2956207B1 (fr) * | 2010-02-10 | 2012-05-04 | Horiba Abx Sas | Dispositif et procede de mesures multiparametriques de microparticules dans un fluide |
| US10151682B2 (en) * | 2015-07-14 | 2018-12-11 | Teilch Llc | Airborne particle measuring device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2850230A (en) * | 1955-03-02 | 1958-09-02 | Blanchard D Smith | Calculating machine |
| US3046837A (en) * | 1958-05-22 | 1962-07-31 | Barabas Janos | Condenser for increasing the resolving power of microscopes |
| US3740143A (en) * | 1970-10-30 | 1973-06-19 | Technicon Instr | Automatic apparatus for determining the percentage population of particulates in a medium |
| US3781112A (en) * | 1972-12-15 | 1973-12-25 | Technicon Instr | Method and apparatus for analysis of leukocytes using light scattered by each leukocyte at absorbing and non-absorbing wavelength |
| US3947123A (en) * | 1974-05-13 | 1976-03-30 | The Board Of Regents Of The University Of Washington | Coherent optical analyzer |
-
1976
- 1976-08-30 US US05/718,745 patent/US4072421A/en not_active Expired - Lifetime
-
1977
- 1977-04-25 CA CA276,866A patent/CA1069724A/en not_active Expired
- 1977-05-10 GB GB19612/77A patent/GB1584402A/en not_active Expired
- 1977-05-17 SE SE7705837A patent/SE7705837L/xx unknown
- 1977-05-23 AU AU25399/77A patent/AU2539977A/en not_active Expired
- 1977-06-04 DE DE19772725441 patent/DE2725441A1/de not_active Withdrawn
- 1977-06-08 JP JP6680677A patent/JPS5329794A/ja active Pending
- 1977-06-20 IT IT68432/77A patent/IT1082827B/it active
- 1977-07-08 FR FR7721047A patent/FR2363099A1/fr active Granted
- 1977-07-14 BE BE179336A patent/BE856807A/xx unknown
- 1977-08-02 NL NL7708508A patent/NL7708508A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| BE856807A (fr) | 1978-01-16 |
| FR2363099B1 (enExample) | 1982-11-12 |
| CA1069724A (en) | 1980-01-15 |
| DE2725441A1 (de) | 1978-03-02 |
| IT1082827B (it) | 1985-05-21 |
| AU2539977A (en) | 1978-11-30 |
| FR2363099A1 (fr) | 1978-03-24 |
| JPS5329794A (en) | 1978-03-20 |
| SE7705837L (sv) | 1978-03-01 |
| US4072421A (en) | 1978-02-07 |
| NL7708508A (nl) | 1978-03-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1584402A (en) | Classification of particles | |
| EP0022670B1 (en) | Method and apparatus for automated identification and enumeration of specified blood cell subclasses | |
| US4586190A (en) | Blood cell discriminator and counter utilizing transmitted and scattered light | |
| US9766174B2 (en) | Optical measuring device and optical measuring method | |
| JP3049254B2 (ja) | ２種類の光源を備えた光学式粒子分析装置 | |
| EP0736765B1 (en) | Particle analyzer with spatially split wavelength filter | |
| EP2380001B1 (en) | Compact detector for simultaneous particle size and fluorescence detection | |
| US3824402A (en) | Dual parameter flow photometric apparatus and method | |
| CA1309328C (en) | Method of classifying leukocytes by flow cytometry and reagents used in the method | |
| US4609286A (en) | Dispersion prism for separation of wavelengths of spectrally rich light in a flow cytometry apparatus | |
| Macey | Principles of flow cytometry | |
| US4113386A (en) | Photometer | |
| US3781112A (en) | Method and apparatus for analysis of leukocytes using light scattered by each leukocyte at absorbing and non-absorbing wavelength | |
| US20120274925A1 (en) | Axial light loss sensor system for flow cytometery | |
| Steinkamp et al. | Improved multilaser/multiparameter flow cytometer for analysis and sorting of cells and particles | |
| US12298222B2 (en) | Light collection from objects within a fluid column | |
| US11287364B2 (en) | System, apparatus and method for off-axis illumination in flow cytometry | |
| JPS61221633A (ja) | フローサイトメータ | |
| JPS58115346A (ja) | 血球種類識別装置 | |
| JPH0313847A (ja) | 光学式粒子分析装置 | |
| Pinkel | On the possibility of automated scoring of pollen mutants. | |
| JPS6375640A (ja) | 血球計数装置 | |
| Peebles et al. | Extended leukocyte parameters for hematology analyzers | |
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| JPH0560540B2 (enExample) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |