CH623931A5 - Element with an opening which can be used in a particle analysis apparatus - Google Patents
Element with an opening which can be used in a particle analysis apparatus Download PDFInfo
- Publication number
- CH623931A5 CH623931A5 CH158178A CH158178A CH623931A5 CH 623931 A5 CH623931 A5 CH 623931A5 CH 158178 A CH158178 A CH 158178A CH 158178 A CH158178 A CH 158178A CH 623931 A5 CH623931 A5 CH 623931A5
- Authority
- CH
- Switzerland
- Prior art keywords
- opening
- chamber
- container
- element according
- electrode
- Prior art date
Links
- 239000002245 particle Substances 0.000 title claims description 11
- 239000007788 liquid Substances 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 230000000007 visual effect Effects 0.000 claims description 3
- 230000005684 electric field Effects 0.000 claims 1
- 239000006194 liquid suspension Substances 0.000 claims 1
- 239000012780 transparent material Substances 0.000 claims 1
- 239000000523 sample Substances 0.000 description 15
- 102000001554 Hemoglobins Human genes 0.000 description 12
- 108010054147 Hemoglobins Proteins 0.000 description 12
- 239000003792 electrolyte Substances 0.000 description 6
- 210000004369 blood Anatomy 0.000 description 5
- 239000008280 blood Substances 0.000 description 5
- 238000011109 contamination Methods 0.000 description 5
- 210000000601 blood cell Anatomy 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 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
- G01N15/13—Details pertaining to apertures
-
- 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
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)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Sampling And Sample Adjustment (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/768,864 US4090128A (en) | 1977-02-15 | 1977-02-15 | Aperture module for use in particle testing apparatus |
| US86837478A | 1978-01-10 | 1978-01-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH623931A5 true CH623931A5 (en) | 1981-06-30 |
Family
ID=27118096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH158178A CH623931A5 (en) | 1977-02-15 | 1978-02-14 | Element with an opening which can be used in a particle analysis apparatus |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS53121695A (xx) |
| AU (1) | AU508072B2 (xx) |
| CH (1) | CH623931A5 (xx) |
| DE (1) | DE2806383A1 (xx) |
| ES (1) | ES466979A1 (xx) |
| FR (1) | FR2380549A1 (xx) |
| GB (1) | GB1597904A (xx) |
| IL (1) | IL53921A (xx) |
| IT (1) | IT1101790B (xx) |
| NL (1) | NL7801072A (xx) |
| SE (1) | SE7801123L (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2337597B (en) * | 1996-11-20 | 2000-08-16 | Microbial Systems Ltd | Particle sizing apparatus |
| GB9624096D0 (en) * | 1996-11-20 | 1997-01-08 | Microbial Systems Ltd | Apparatus and method of use thereof |
| US6418802B1 (en) * | 1996-11-21 | 2002-07-16 | Michael Anthony Wood | Particle sizing apparatus and method of use thereof |
| SE0101597D0 (sv) * | 2001-05-09 | 2001-05-09 | Astrazeneca Ab | Apparatus and method of testing pressurised containers by non-invasive means |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3520316A (en) * | 1963-12-12 | 1970-07-14 | Bowles Eng Corp | Pressure-to-pressure transducer |
| US3746976A (en) * | 1971-04-07 | 1973-07-17 | Coulter Electronics | Self-cleaning aperture tube for coulter study apparatus |
| US3902115A (en) * | 1973-09-26 | 1975-08-26 | Coulter Electronics | Self-cleaning aperture tube for coulter study apparatus and electrolyte supply system therefor |
| US4014611A (en) * | 1975-04-30 | 1977-03-29 | Coulter Electronics, Inc. | Aperture module for use in particle testing apparatus |
-
1978
- 1978-01-30 IL IL53921A patent/IL53921A/xx unknown
- 1978-01-30 SE SE7801123A patent/SE7801123L/xx unknown
- 1978-01-31 AU AU32860/78A patent/AU508072B2/en not_active Expired
- 1978-01-31 NL NL7801072A patent/NL7801072A/xx not_active Application Discontinuation
- 1978-02-08 GB GB5056/78A patent/GB1597904A/en not_active Expired
- 1978-02-10 IT IT48010/78A patent/IT1101790B/it active
- 1978-02-14 JP JP1506778A patent/JPS53121695A/ja active Pending
- 1978-02-14 ES ES466979A patent/ES466979A1/es not_active Expired
- 1978-02-14 CH CH158178A patent/CH623931A5/fr not_active IP Right Cessation
- 1978-02-14 FR FR7804136A patent/FR2380549A1/fr active Granted
- 1978-02-15 DE DE19782806383 patent/DE2806383A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| IT1101790B (it) | 1985-10-07 |
| IL53921A0 (en) | 1978-04-30 |
| IL53921A (en) | 1979-12-30 |
| AU508072B2 (en) | 1980-03-06 |
| SE7801123L (sv) | 1978-08-16 |
| IT7848010A0 (it) | 1978-02-10 |
| GB1597904A (en) | 1981-09-16 |
| AU3286078A (en) | 1979-08-09 |
| JPS53121695A (en) | 1978-10-24 |
| FR2380549B1 (xx) | 1983-07-08 |
| NL7801072A (nl) | 1978-08-17 |
| FR2380549A1 (fr) | 1978-09-08 |
| ES466979A1 (es) | 1979-08-16 |
| DE2806383A1 (de) | 1978-08-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |