CH640055A5 - Verfahren und vorrichtung zur bestimmung des dielektrischen durchbruches und der groesse von als umhuellung eine membran aufweisenden partikeln. - Google Patents
Verfahren und vorrichtung zur bestimmung des dielektrischen durchbruches und der groesse von als umhuellung eine membran aufweisenden partikeln. Download PDFInfo
- Publication number
- CH640055A5 CH640055A5 CH317679A CH317679A CH640055A5 CH 640055 A5 CH640055 A5 CH 640055A5 CH 317679 A CH317679 A CH 317679A CH 317679 A CH317679 A CH 317679A CH 640055 A5 CH640055 A5 CH 640055A5
- Authority
- CH
- Switzerland
- Prior art keywords
- particles
- opening
- voltage
- measuring
- measurement
- Prior art date
Links
- 239000002245 particle Substances 0.000 title claims description 87
- 238000000034 method Methods 0.000 title claims description 30
- 239000012528 membrane Substances 0.000 title claims 2
- 238000005259 measurement Methods 0.000 claims description 54
- 239000008151 electrolyte solution Substances 0.000 claims description 20
- 230000015556 catabolic process Effects 0.000 claims description 15
- 230000005684 electric field Effects 0.000 claims description 11
- 239000000725 suspension Substances 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000000243 solution Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000004020 conductor Substances 0.000 claims 1
- 210000004027 cell Anatomy 0.000 description 14
- 210000003743 erythrocyte Anatomy 0.000 description 13
- 238000010586 diagram Methods 0.000 description 6
- 102000001554 Hemoglobins Human genes 0.000 description 5
- 108010054147 Hemoglobins Proteins 0.000 description 5
- 238000009966 trimming Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 210000002977 intracellular fluid Anatomy 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 101100345589 Mus musculus Mical1 gene Proteins 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000003146 anticoagulant agent Substances 0.000 description 1
- 229940127219 anticoagulant drug Drugs 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 229910000397 disodium phosphate Inorganic materials 0.000 description 1
- 238000009652 hydrodynamic focusing Methods 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000008177 pharmaceutical agent Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- SOBHUZYZLFQYFK-UHFFFAOYSA-K trisodium;hydroxy-[[phosphonatomethyl(phosphonomethyl)amino]methyl]phosphinate Chemical compound [Na+].[Na+].[Na+].OP(O)(=O)CN(CP(O)([O-])=O)CP([O-])([O-])=O SOBHUZYZLFQYFK-UHFFFAOYSA-K 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
-
- 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
- G01N15/134—Devices using two or more apertures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/483—Physical analysis of biological material
- G01N33/487—Physical analysis of biological material of liquid biological material
- G01N33/48707—Physical analysis of biological material of liquid biological material by electrical means
- G01N33/48728—Investigating individual cells, e.g. by patch clamp, voltage clamp
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Immunology (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Hematology (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Urology & Nephrology (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Dispersion Chemistry (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2828232A DE2828232C2 (de) | 1978-06-28 | 1978-06-28 | Vorrichtung zur Bestimmung des dielektrischen Durchbruches und der Größe von als Umhüllung eine Membran aufweisenden Partikeln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH640055A5 true CH640055A5 (de) | 1983-12-15 |
Family
ID=6042911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH317679A CH640055A5 (de) | 1978-06-28 | 1979-04-05 | Verfahren und vorrichtung zur bestimmung des dielektrischen durchbruches und der groesse von als umhuellung eine membran aufweisenden partikeln. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4220916A (enExample) |
| JP (1) | JPS557696A (enExample) |
| CH (1) | CH640055A5 (enExample) |
| DE (1) | DE2828232C2 (enExample) |
| FR (1) | FR2434399A1 (enExample) |
| GB (1) | GB2024432B (enExample) |
| SE (1) | SE440148B (enExample) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4415859A (en) * | 1980-10-06 | 1983-11-15 | Texaco Inc. | Paraffin monitor |
| US4426621A (en) | 1981-06-29 | 1984-01-17 | International Business Machines Corporation | Detection circuitry for electrochemical analysis |
| JPS58112098A (ja) * | 1981-12-25 | 1983-07-04 | Kyoritsu Yuki Kogyo Kenkyusho:Kk | 汚泥脱水ケ−キの脱臭方法 |
| US4525666A (en) * | 1982-05-03 | 1985-06-25 | Coulter Electronics, Inc. | Cell breakdown |
| DE3522186A1 (de) * | 1985-06-21 | 1987-01-02 | Hoechst Ag | Messeinrichtung zum messen des verformungsvermoegens von roten blutkoerperchen |
| GB8701368D0 (en) * | 1987-01-22 | 1987-02-25 | Ecc Int Ltd | Monitoring flocculation state of particles in suspension |
| WO1989006555A1 (en) * | 1988-01-21 | 1989-07-27 | Massachusetts Institute Of Technology | Transport of molecules across tissue using electroporation |
| US5389069A (en) * | 1988-01-21 | 1995-02-14 | Massachusetts Institute Of Technology | Method and apparatus for in vivo electroporation of remote cells and tissue |
| US4871427A (en) * | 1988-06-24 | 1989-10-03 | United States Of America As Represented By The Secretary Of The Air Force | Ion detection using a differential resistance measurement of an ion exchange membrane |
| DE68922390T2 (de) * | 1988-10-21 | 1995-10-05 | Molecular Devices Corp | Verfahren und apparat zur messung der effekte von zellwirksamen mitteln auf lebende zellen. |
| US5278048A (en) * | 1988-10-21 | 1994-01-11 | Molecular Devices Corporation | Methods for detecting the effect of cell affecting agents on living cells |
| US5955295A (en) * | 1992-10-30 | 1999-09-21 | Micro-Med, Inc. | Micro lysis-analysis process to measure cell characteristics and diagnose diseases |
| US5610027A (en) * | 1992-10-30 | 1997-03-11 | Micro-Med, Inc. | Microphoto lysis-anlaysis process to measure cell characteristics |
| US5532139A (en) * | 1992-10-30 | 1996-07-02 | Micro-Med, Inc. | Micro lysis-analysis process to measure cell characteristics and diagnose diseases |
| NZ264188A (en) * | 1994-08-05 | 1996-10-28 | Ennotech Holdings Ltd | Method and apparatus for sterilising electrically conductive liquid by creating a voltage gradient between electrodes in contact with the liquid |
| AUPM851694A0 (en) * | 1994-09-30 | 1994-10-27 | Barsamian, Sergei T | New methods for diagnosis, detection of cell abnormalities and morphology of living systems |
| US5983131A (en) * | 1995-08-11 | 1999-11-09 | Massachusetts Institute Of Technology | Apparatus and method for electroporation of tissue |
| US5911223A (en) * | 1996-08-09 | 1999-06-15 | Massachusetts Institute Of Technology | Introduction of modifying agents into skin by electroporation |
| US6085115A (en) * | 1997-05-22 | 2000-07-04 | Massachusetts Institite Of Technology | Biopotential measurement including electroporation of tissue surface |
| 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 |
| US6122599A (en) * | 1998-02-13 | 2000-09-19 | Mehta; Shailesh | Apparatus and method for analyzing particles |
| GB9930718D0 (en) * | 1999-12-24 | 2000-02-16 | Central Research Lab Ltd | Apparatus for and method of making electrical measurements on objects |
| GB9930719D0 (en) * | 1999-12-24 | 2000-02-16 | Central Research Lab Ltd | Apparatus for and method of making electrical measurements on an object in a m edium |
| DE20109614U1 (de) | 2001-03-05 | 2001-09-06 | Zimmermann, Johann, Dipl.-Ing., 88281 Schlier | Elektrode für das Sammeln von Körpersäften und dem Verabreichen von Wirkstoffen/Arzneien durch die Haut,transdermal ohne die Haut zu penetrieren, und dies bei Mensch und Tier |
| EP1565555A4 (en) * | 2002-09-30 | 2008-07-09 | Maxcyte Inc | DEVICE AND METHOD FOR STRETCH ELECTROPORATION |
| RU2279152C1 (ru) * | 2004-12-21 | 2006-06-27 | Государственное образовательное учреждение высшего профессионального образования "Орловский государственный технический университет" (ОрелГТУ) | Способ определения при пробое в вакууме факта реализации катодного механизма инициирования пробоя |
| ES2400966T3 (es) | 2007-09-22 | 2013-04-15 | F. Hoffmann-La Roche Ag | Sistema de análisis para determinar la concentración de un analito en un líquido corporal |
| ITTO20080104A1 (it) * | 2008-02-08 | 2009-08-09 | Silicon Biosystems Spa | Apparato e metodo per il conteggio e l'identificazione di particelle di interesse in un fluido |
| US8623496B2 (en) * | 2009-11-06 | 2014-01-07 | Wisconsin Alumni Research Foundation | Laser drilling technique for creating nanoscale holes |
| US9322820B2 (en) | 2013-03-14 | 2016-04-26 | Wisconsin Alumni Research Foundation | System and apparatus for nanopore sequencing |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3793587A (en) * | 1971-03-10 | 1974-02-19 | Licentia Gmbh | Particle volume and cross-section measurement |
| DE2219778C3 (de) * | 1972-04-22 | 1981-10-29 | Coulter Electronics, Inc., 33010 Hialeah, Fla. | Verfahren zur Ermittlung physiologischer Eigenschaften nativer Blutzellen und Anordnung zur Durchführung des Verfahrens |
| DE2502621C3 (de) * | 1975-01-23 | 1978-09-14 | Kernforschungsanlage Juelich Gmbh, 5170 Juelich | Messung elastischer und dielektrischer Eigenschaften der Membran lebender Zellen |
| DE2632962C3 (de) * | 1976-07-22 | 1980-08-21 | Max-Planck-Gesellschaft Zur Foerderung Der Wissenschaften E.V., 3400 Goettingen | Partikelseparator |
| US4068169A (en) * | 1976-09-21 | 1978-01-10 | Hycel, Inc. | Method and apparatus for determining hematocrit |
-
1978
- 1978-06-28 DE DE2828232A patent/DE2828232C2/de not_active Expired
-
1979
- 1979-04-05 CH CH317679A patent/CH640055A5/de not_active IP Right Cessation
- 1979-04-13 US US06/029,842 patent/US4220916A/en not_active Expired - Lifetime
- 1979-06-07 FR FR7914529A patent/FR2434399A1/fr active Granted
- 1979-06-26 SE SE7905610A patent/SE440148B/sv not_active IP Right Cessation
- 1979-06-27 GB GB7922305A patent/GB2024432B/en not_active Expired
- 1979-06-28 JP JP8082179A patent/JPS557696A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| SE7905610L (sv) | 1979-12-29 |
| JPS6410772B2 (enExample) | 1989-02-22 |
| JPS557696A (en) | 1980-01-19 |
| DE2828232C2 (de) | 1986-04-17 |
| DE2828232A1 (de) | 1980-01-10 |
| GB2024432B (en) | 1982-10-13 |
| FR2434399B1 (enExample) | 1985-01-18 |
| FR2434399A1 (fr) | 1980-03-21 |
| GB2024432A (en) | 1980-01-09 |
| SE440148B (sv) | 1985-07-15 |
| US4220916A (en) | 1980-09-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUE | Assignment |
Owner name: BAYERISCHE JULIUS-MAXIMILIAN- UNIVERSITAET WUERZBU |
|
| PL | Patent ceased | ||
| PL | Patent ceased |