DE2109046A1 - Verfahren und Vorrichtung zur Teilchenuntersuchung in Suspensionen - Google Patents
Verfahren und Vorrichtung zur Teilchenuntersuchung in SuspensionenInfo
- Publication number
- DE2109046A1 DE2109046A1 DE19712109046 DE2109046A DE2109046A1 DE 2109046 A1 DE2109046 A1 DE 2109046A1 DE 19712109046 DE19712109046 DE 19712109046 DE 2109046 A DE2109046 A DE 2109046A DE 2109046 A1 DE2109046 A1 DE 2109046A1
- Authority
- DE
- Germany
- Prior art keywords
- particles
- size
- suspension
- electrical
- arrangement
- 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.)
- Pending
Links
- 239000002245 particle Substances 0.000 title claims description 70
- 239000000725 suspension Substances 0.000 title claims description 27
- 238000000034 method Methods 0.000 title claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 230000005669 field effect Effects 0.000 claims description 3
- 239000006194 liquid suspension Substances 0.000 claims description 3
- 239000013618 particulate matter Substances 0.000 claims description 3
- 239000011236 particulate material Substances 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 15
- 238000010586 diagram Methods 0.000 description 9
- 238000005534 hematocrit Methods 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 5
- 238000009534 blood test Methods 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000001960 triggered 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
-
- 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
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 Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4023170A | 1970-05-25 | 1970-05-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2109046A1 true DE2109046A1 (de) | 1971-12-02 |
Family
ID=21909862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712109046 Pending DE2109046A1 (de) | 1970-05-25 | 1971-02-25 | Verfahren und Vorrichtung zur Teilchenuntersuchung in Suspensionen |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3757213A (enExample) |
| BE (1) | BE763433A (enExample) |
| CA (1) | CA937289A (enExample) |
| CH (1) | CH535954A (enExample) |
| DE (1) | DE2109046A1 (enExample) |
| ES (1) | ES388642A1 (enExample) |
| FR (1) | FR2092378A5 (enExample) |
| GB (1) | GB1330587A (enExample) |
| IL (1) | IL36295A (enExample) |
| NL (1) | NL7102426A (enExample) |
| SE (1) | SE369119B (enExample) |
| ZA (1) | ZA711210B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2429204A1 (de) * | 1973-06-29 | 1975-01-16 | Coulter Electronics | Verfahren und vorrichtung zum ausschluss eines fehlerhaft arbeitenden impulskanales |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US3973189A (en) * | 1972-05-15 | 1976-08-03 | General Science Corporation | Hematology system |
| US3828260A (en) * | 1973-04-02 | 1974-08-06 | Royco Instr Inc | Hematocrit measuring apparatus |
| US3982183A (en) * | 1975-02-20 | 1976-09-21 | Coulter Electronics, Inc. | Particle sizing apparatus |
| US4110604A (en) * | 1976-11-04 | 1978-08-29 | Becton, Dickinson And Company | Particle density measuring system |
| US4450435A (en) * | 1981-11-30 | 1984-05-22 | Bobby Dencil James | Analog debris alarm |
| US4704364A (en) * | 1984-05-18 | 1987-11-03 | Coulter Electronics, Inc. | Hematology control compositions for three populations of leukocytes; and methods for their preparation and use in whole blood control systems |
| US5204884A (en) * | 1991-03-18 | 1993-04-20 | University Of Rochester | System for high-speed measurement and sorting of particles |
| US6999171B2 (en) * | 2001-08-07 | 2006-02-14 | Sysmex Corporation | Apparatus and method for measuring particle size |
| US7701193B2 (en) * | 2003-09-02 | 2010-04-20 | Chempaq A/S | Pulse height analyser |
| RU2296327C2 (ru) * | 2004-08-30 | 2007-03-27 | Федеральное государственное учреждение науки "Государственный научный центр вирусологии и биотехнологии "Вектор" Федеральной службы по надзору в сфере защиты прав потребителей и благополучия человека (ФГУН ГНЦ ВБ "Вектор" Роспотребнадзора) | Способ дифференциальной диагностики заболеваний печени |
| AU2005291725B2 (en) * | 2004-10-01 | 2011-07-14 | Koninklijke Philips Electronics N.V. | A method for calibrating a particle counting apparatus |
| WO2009109190A1 (en) * | 2008-03-03 | 2009-09-11 | Chempaq A/S | High resolution classification |
-
1970
- 1970-05-25 US US00040231A patent/US3757213A/en not_active Expired - Lifetime
-
1971
- 1971-02-24 NL NL7102426A patent/NL7102426A/xx unknown
- 1971-02-25 IL IL36295A patent/IL36295A/xx unknown
- 1971-02-25 CA CA106286A patent/CA937289A/en not_active Expired
- 1971-02-25 CH CH285671A patent/CH535954A/fr not_active IP Right Cessation
- 1971-02-25 SE SE02395/71A patent/SE369119B/xx unknown
- 1971-02-25 BE BE763433A patent/BE763433A/xx unknown
- 1971-02-25 DE DE19712109046 patent/DE2109046A1/de active Pending
- 1971-02-25 ZA ZA711210A patent/ZA711210B/xx unknown
- 1971-02-25 FR FR7106433A patent/FR2092378A5/fr not_active Expired
- 1971-04-19 GB GB2254671A patent/GB1330587A/en not_active Expired
- 1971-09-25 ES ES388642A patent/ES388642A1/es not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2429204A1 (de) * | 1973-06-29 | 1975-01-16 | Coulter Electronics | Verfahren und vorrichtung zum ausschluss eines fehlerhaft arbeitenden impulskanales |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2092378A5 (enExample) | 1972-01-21 |
| CH535954A (fr) | 1973-04-15 |
| SE369119B (enExample) | 1974-08-05 |
| ES388642A1 (es) | 1974-02-16 |
| CA937289A (en) | 1973-11-20 |
| ZA711210B (en) | 1972-09-27 |
| BE763433A (fr) | 1971-08-25 |
| NL7102426A (enExample) | 1971-11-29 |
| IL36295A (en) | 1973-11-28 |
| GB1330587A (en) | 1973-09-19 |
| IL36295A0 (en) | 1971-04-28 |
| US3757213A (en) | 1973-09-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |