JPS627966B2 - - Google Patents
Info
- Publication number
- JPS627966B2 JPS627966B2 JP52132400A JP13240077A JPS627966B2 JP S627966 B2 JPS627966 B2 JP S627966B2 JP 52132400 A JP52132400 A JP 52132400A JP 13240077 A JP13240077 A JP 13240077A JP S627966 B2 JPS627966 B2 JP S627966B2
- Authority
- JP
- Japan
- Prior art keywords
- red blood
- signal
- pulse
- counter
- platelet
- 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 claims description 147
- 239000012530 fluid Substances 0.000 claims description 13
- 239000012895 dilution Substances 0.000 claims description 6
- 238000010790 dilution Methods 0.000 claims description 6
- 230000000704 physical effect Effects 0.000 claims description 4
- 210000003743 erythrocyte Anatomy 0.000 description 199
- 210000001772 blood platelet Anatomy 0.000 description 196
- 230000000875 corresponding effect Effects 0.000 description 54
- 239000000523 sample Substances 0.000 description 52
- 210000004369 blood Anatomy 0.000 description 43
- 239000008280 blood Substances 0.000 description 43
- 238000000034 method Methods 0.000 description 40
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 34
- 238000001514 detection method Methods 0.000 description 26
- 230000008569 process Effects 0.000 description 22
- 238000004820 blood count Methods 0.000 description 21
- 239000003990 capacitor Substances 0.000 description 21
- 238000005534 hematocrit Methods 0.000 description 20
- 238000012360 testing method Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 12
- 210000003813 thumb Anatomy 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000004044 response Effects 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000000470 constituent Substances 0.000 description 7
- 239000004020 conductor Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 239000012470 diluted sample Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 210000000265 leukocyte Anatomy 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 208000035473 Communicable disease Diseases 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000003759 clinical diagnosis Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000012898 sample dilution Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 206010000830 Acute leukaemia Diseases 0.000 description 1
- 241000233805 Phoenix Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 206010047571 Visual impairment Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000003339 best practice Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 238000009534 blood test Methods 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000011005 laboratory method Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000013214 routine measurement Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 201000008827 tuberculosis Diseases 0.000 description 1
- 230000000007 visual effect Effects 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
- G01N15/131—Details
- G01N15/132—Circuits
-
- 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
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/01—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials specially adapted for biological cells, e.g. blood cells
- G01N2015/012—Red blood cells
-
- 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
- G01N15/01—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials specially adapted for biological cells, e.g. blood cells
- G01N2015/018—Platelets
-
- 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
- G01N2015/1024—Counting particles by non-optical means
-
- 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
- G01N2015/1029—Particle size
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)
Description
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Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US73889676A | 1976-11-04 | 1976-11-04 | |
US05/832,893 US4110604A (en) | 1976-11-04 | 1977-09-13 | Particle density measuring system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5377584A JPS5377584A (en) | 1978-07-10 |
JPS627966B2 true JPS627966B2 (ja) | 1987-02-20 |
Family
ID=27113441
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13240077A Granted JPS5377584A (en) | 1976-11-04 | 1977-11-04 | Measuring method and apparatus for particle density |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5377584A (ja) |
AU (1) | AU504450B2 (ja) |
CA (1) | CA1091350A (ja) |
DE (1) | DE2748923C2 (ja) |
FR (1) | FR2370276A1 (ja) |
GB (1) | GB1588170A (ja) |
IT (1) | IT1087196B (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4447883A (en) * | 1981-05-26 | 1984-05-08 | Technicon Instruments Corporation | Coincidence-error correcting apparatus and method |
DE3227664A1 (de) * | 1982-07-23 | 1984-02-02 | Vladimir Vasil'evič Saratov Pavlov | Einrichtung zur messung der menge und groesse fester teilchen in fluessigen und gasmedien |
GB8410500D0 (en) * | 1984-04-25 | 1984-05-31 | Orbec Ltd | Monitoring particles in liquids |
JPH0736269Y2 (ja) * | 1985-07-26 | 1995-08-16 | æ¥æ¬å é»å·¥æ¥æ ªåŒäŒç€Ÿ | 液äœäžã®ç²åèšæž¬è£ 眮 |
US5488469A (en) * | 1991-08-30 | 1996-01-30 | Omron Corporation | Cell analyzing apparatus |
EP0529666B1 (en) * | 1991-08-30 | 2000-04-12 | Omron Corporation | Cell analyzing apparatus |
US8023592B2 (en) * | 2005-08-24 | 2011-09-20 | Beckman Coulter, Inc. | Method and apparatus for finding center amplitude of particle size-representative pulses produced by aperture based sizing system |
DE102006021487B3 (de) * | 2006-05-05 | 2007-09-06 | Parsum Gmbh | Verfahren und Vorrichtung zur Bestimmung der in einem Partikelstrom enthaltenen Partikel |
CN112557281B (zh) * | 2020-11-23 | 2022-06-24 | æ·±å³åžç§æŒå»ç讟å€æéå ¬åž | è¡æ¶²ç»èåæ仪çpltç²åæ£æµæ¹æ³åè£ çœ® |
CN117074276B (zh) * | 2023-08-21 | 2024-09-24 | è·¯çŸæ°å(èå·)çç©ç§ææéå ¬åž | çšäºå°åç²å计æ°åšçæ ¡åç³»ç»åæ¹æ³ |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1118510B (de) * | 1958-11-25 | 1961-11-30 | Boskamp Geraete Bau K G | Elektrisches Registriergeraet zur quantitativen Auswertung des Differential-Blutbildes |
US3810011A (en) * | 1970-05-25 | 1974-05-07 | Coulter Electronics | Apparatus and method for analyzing the particle volume distribution for a plurality of particles of different size in a quantity of liquid |
DE2134937C2 (de) * | 1971-07-13 | 1982-08-05 | Bio-Physics Systems, Inc., Baldwin Place, N.Y. | Verfahren und Vorrichtung zum Erfassen von in einer FlÃŒssigkeit suspendierten Teilchen |
-
1977
- 1977-10-19 CA CA289,075A patent/CA1091350A/en not_active Expired
- 1977-10-20 GB GB43729/77A patent/GB1588170A/en not_active Expired
- 1977-10-26 AU AU30078/77A patent/AU504450B2/en not_active Expired
- 1977-11-02 DE DE2748923A patent/DE2748923C2/de not_active Expired
- 1977-11-03 IT IT29306/77A patent/IT1087196B/it active
- 1977-11-03 FR FR7733066A patent/FR2370276A1/fr active Granted
- 1977-11-04 JP JP13240077A patent/JPS5377584A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2370276B1 (ja) | 1981-12-04 |
IT1087196B (it) | 1985-05-31 |
CA1091350A (en) | 1980-12-09 |
JPS5377584A (en) | 1978-07-10 |
DE2748923C2 (de) | 1982-05-13 |
GB1588170A (en) | 1981-04-15 |
AU3007877A (en) | 1979-06-07 |
FR2370276A1 (fr) | 1978-06-02 |
DE2748923A1 (de) | 1978-05-11 |
AU504450B2 (en) | 1979-10-11 |
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