CA1103312A - Method and apparatus for particle analysis - Google Patents
Method and apparatus for particle analysisInfo
- Publication number
- CA1103312A CA1103312A CA305,148A CA305148A CA1103312A CA 1103312 A CA1103312 A CA 1103312A CA 305148 A CA305148 A CA 305148A CA 1103312 A CA1103312 A CA 1103312A
- Authority
- CA
- Canada
- Prior art keywords
- sampling
- value
- electrodes
- auxiliary
- channel
- 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 abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000005070 sampling Methods 0.000 claims abstract description 65
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 230000002596 correlated effect Effects 0.000 claims abstract description 9
- 230000000875 corresponding effect Effects 0.000 claims abstract description 8
- 210000000601 blood cell Anatomy 0.000 claims abstract description 5
- 210000003743 erythrocyte Anatomy 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 7
- 210000001772 blood platelet Anatomy 0.000 claims description 5
- 210000004369 blood Anatomy 0.000 claims description 3
- 239000008280 blood Substances 0.000 claims description 3
- YUBJPYNSGLJZPQ-UHFFFAOYSA-N Dithiopyr Chemical compound CSC(=O)C1=C(C(F)F)N=C(C(F)(F)F)C(C(=O)SC)=C1CC(C)C YUBJPYNSGLJZPQ-UHFFFAOYSA-N 0.000 claims 1
- 230000001960 triggered effect Effects 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 5
- 229910052737 gold Inorganic materials 0.000 description 5
- 239000010931 gold Substances 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000009089 cytolysis Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000003334 potential effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012216 screening 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
- 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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH784277A CH614781A5 (en, 2012) | 1977-06-27 | 1977-06-27 | |
| CH7842/77 | 1977-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1103312A true CA1103312A (en) | 1981-06-16 |
Family
ID=4331230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA305,148A Expired CA1103312A (en) | 1977-06-27 | 1978-06-09 | Method and apparatus for particle analysis |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4161690A (en, 2012) |
| JP (1) | JPS5412794A (en, 2012) |
| BE (1) | BE867676A (en, 2012) |
| CA (1) | CA1103312A (en, 2012) |
| CH (1) | CH614781A5 (en, 2012) |
| DE (1) | DE2824831C3 (en, 2012) |
| DK (1) | DK146984C (en, 2012) |
| ES (1) | ES471120A1 (en, 2012) |
| FR (1) | FR2396285B1 (en, 2012) |
| GB (1) | GB1602134A (en, 2012) |
| IT (1) | IT1096003B (en, 2012) |
| NL (1) | NL188308C (en, 2012) |
| SE (1) | SE438554B (en, 2012) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4438390A (en) | 1981-03-23 | 1984-03-20 | Coulter Electronics, Inc. | Tandem sensing zones for improved signal-to-noise ratio in particle analyzer |
| US4488116A (en) * | 1981-09-22 | 1984-12-11 | Mars, Incorporated | Inductive coin sensor for measuring more than one parameter of a moving coin |
| US4510438A (en) * | 1982-02-16 | 1985-04-09 | Coulter Electronics, Inc. | Coincidence correction in particle analysis system |
| DE3411936A1 (de) * | 1983-03-31 | 1984-10-11 | Eduard Dr.med. Stäfa Bretschger | Teilchenzaehleinrichtung und verfahren zu deren betrieb |
| US4607526A (en) * | 1984-12-21 | 1986-08-26 | Allied Corporation | Particle analysis system |
| DE3522186A1 (de) * | 1985-06-21 | 1987-01-02 | Hoechst Ag | Messeinrichtung zum messen des verformungsvermoegens von roten blutkoerperchen |
| GB8606299D0 (en) * | 1986-03-14 | 1986-04-23 | Holley J E F | Scanner |
| US4977517A (en) * | 1988-09-21 | 1990-12-11 | Toni Diagnostics, Inc. | Leak and clog detection and removal system for use with particle counters |
| CA1315127C (en) * | 1989-02-03 | 1993-03-30 | Raynald Hachey | Apparatus for particle determination in liquid metals |
| CA1328679C (en) * | 1989-05-18 | 1994-04-19 | Raynald Hachey | Apparatus for particle determination in liquid metals |
| GB2232769B (en) * | 1989-06-13 | 1994-06-22 | Timothy Charles Fisher | Counting and volume measurement of particles and biological cells,and determination of their deformability |
| US5376878A (en) * | 1991-12-12 | 1994-12-27 | Fisher; Timothy C. | Multiple-aperture particle counting sizing and deformability-measuring apparatus |
| US6175227B1 (en) | 1997-07-03 | 2001-01-16 | Coulter International Corp. | Potential-sensing method and apparatus for sensing and characterizing particles by the Coulter principle |
| US6111398A (en) * | 1997-07-03 | 2000-08-29 | Coulter International Corp. | Method and apparatus for sensing and characterizing particles |
| CA2229528A1 (en) | 1998-02-13 | 1999-08-13 | Shailesh Mehta | Apparatus and method for analyzing particles |
| US6259242B1 (en) | 1999-05-26 | 2001-07-10 | Coulter International Corp. | Apparatus incorporating a sensing conduit in conductive material and method of use thereof for sensing and characterizing particles |
| ES2631823T3 (es) | 2004-03-04 | 2017-09-05 | Novelis, Inc. | Configuración de electrodo para LIMCA |
| WO2009020682A2 (en) | 2007-05-08 | 2009-02-12 | The Trustees Of Boston University | Chemical functionalization of solid-state nanopores and nanopore arrays and applications thereof |
| CN102414552A (zh) * | 2009-04-24 | 2012-04-11 | 贝克曼考尔特公司 | 表征颗粒的方法 |
| EP2483680A4 (en) | 2009-09-30 | 2014-01-01 | Quantapore Inc | ULTRASOUND SEQUENCING OF BIOLOGICAL POLYMERS WITH THE HELP OF A MARKED NANOPORE |
| US9651539B2 (en) | 2012-10-28 | 2017-05-16 | Quantapore, Inc. | Reducing background fluorescence in MEMS materials by low energy ion beam treatment |
| US9862997B2 (en) | 2013-05-24 | 2018-01-09 | Quantapore, Inc. | Nanopore-based nucleic acid analysis with mixed FRET detection |
| EP3204519B1 (en) | 2014-10-10 | 2020-04-29 | Quantapore Inc. | Nanopore-based polymer analysis with mutually-quenching fluorescent labels |
| EP3209800B1 (en) | 2014-10-24 | 2022-02-16 | Quantapore, Inc. | Efficient optical analysis of polymers using arrays of nanostructures |
| EP3482196B1 (en) | 2016-07-05 | 2022-02-23 | Quantapore, Inc. | Optically based nanopore sequencing |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2996917A (en) * | 1958-02-13 | 1961-08-22 | Walter P Christoph | Electrolytic apparatus for temperature and radiation measurements |
| US3801901A (en) * | 1970-10-27 | 1974-04-02 | Coulter Electronics | Particle study apparatus including an axial trajectory sensor |
| US3821644A (en) * | 1971-04-26 | 1974-06-28 | H Gohde | Device for automatic counting and measurement of suspended particles |
| CH546437A (de) * | 1972-06-30 | 1974-02-28 | Contraves Ag | Verfahren und einrichtung zur kompensation der temperaturabhaengigkeit einer fluessigkeit bei der bestimmung von in derselben suspendierten teilchen. |
| US3973194A (en) * | 1972-08-07 | 1976-08-03 | Becton, Dickinson And Company | Particle counter |
-
1977
- 1977-06-27 CH CH784277A patent/CH614781A5/xx not_active IP Right Cessation
-
1978
- 1978-05-31 BE BE188211A patent/BE867676A/xx not_active IP Right Cessation
- 1978-05-31 GB GB24917/78A patent/GB1602134A/en not_active Expired
- 1978-06-05 US US05/912,927 patent/US4161690A/en not_active Expired - Lifetime
- 1978-06-06 DE DE2824831A patent/DE2824831C3/de not_active Expired
- 1978-06-06 DK DK250878A patent/DK146984C/da active
- 1978-06-09 CA CA305,148A patent/CA1103312A/en not_active Expired
- 1978-06-15 NL NLAANVRAGE7806472,A patent/NL188308C/xx not_active IP Right Cessation
- 1978-06-20 IT IT24714/78A patent/IT1096003B/it active
- 1978-06-22 SE SE7807163A patent/SE438554B/sv not_active IP Right Cessation
- 1978-06-26 JP JP7662578A patent/JPS5412794A/ja active Granted
- 1978-06-26 ES ES471120A patent/ES471120A1/es not_active Expired
- 1978-06-27 FR FR7819183A patent/FR2396285B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE438554B (sv) | 1985-04-22 |
| JPS5412794A (en) | 1979-01-30 |
| DK146984C (da) | 1984-08-13 |
| FR2396285B1 (en, 2012) | 1985-03-08 |
| CH614781A5 (en, 2012) | 1979-12-14 |
| ES471120A1 (es) | 1979-01-01 |
| DK146984B (da) | 1984-03-05 |
| DE2824831B2 (de) | 1980-03-13 |
| SE7807163L (sv) | 1978-12-28 |
| JPS629850B2 (en, 2012) | 1987-03-03 |
| IT7824714A0 (it) | 1978-06-20 |
| US4161690A (en) | 1979-07-17 |
| GB1602134A (en) | 1981-11-04 |
| BE867676A (fr) | 1978-09-18 |
| DE2824831C3 (de) | 1980-11-06 |
| NL188308B (nl) | 1991-12-16 |
| DK250878A (da) | 1978-12-28 |
| FR2396285A1 (en, 2012) | 1979-01-26 |
| NL7806472A (nl) | 1978-12-29 |
| DE2824831A1 (de) | 1979-01-04 |
| NL188308C (nl) | 1992-05-18 |
| IT1096003B (it) | 1985-08-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |