GB2228844B - Apparatus for directing a high voltage current to a chemical solution - Google Patents
Apparatus for directing a high voltage current to a chemical solutionInfo
- Publication number
- GB2228844B GB2228844B GB9003970A GB9003970A GB2228844B GB 2228844 B GB2228844 B GB 2228844B GB 9003970 A GB9003970 A GB 9003970A GB 9003970 A GB9003970 A GB 9003970A GB 2228844 B GB2228844 B GB 2228844B
- Authority
- GB
- United Kingdom
- Prior art keywords
- directing
- high voltage
- chemical solution
- voltage current
- current
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/10—Modifications for increasing the maximum permissible switched voltage
- H03K17/105—Modifications for increasing the maximum permissible switched voltage in thyristor switches
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M35/00—Means for application of stress for stimulating the growth of microorganisms or the generation of fermentation or metabolic products; Means for electroporation or cell fusion
- C12M35/02—Electrical or electromagnetic means, e.g. for electroporation or for cell fusion
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N13/00—Treatment of microorganisms or enzymes with electrical or wave energy, e.g. magnetism, sonic waves
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
- H03K3/57—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a semiconductor device
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Genetics & Genomics (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Zoology (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Biomedical Technology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Cell Biology (AREA)
- Electromagnetism (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/872,060 US4750100A (en) | 1986-06-06 | 1986-06-06 | Transfection high voltage controller |
GB8713170A GB2193054B (en) | 1986-06-06 | 1987-06-05 | Apparatus for directing a high voltage current to a chemical solution |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9003970D0 GB9003970D0 (en) | 1990-04-18 |
GB2228844A GB2228844A (en) | 1990-09-05 |
GB2228844B true GB2228844B (en) | 1991-04-03 |
Family
ID=26292323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9003970A Expired - Lifetime GB2228844B (en) | 1986-06-06 | 1990-02-22 | Apparatus for directing a high voltage current to a chemical solution |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2228844B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2780566B2 (en) * | 1992-06-10 | 1998-07-30 | 株式会社日立製作所 | Power converter |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1604012A (en) * | 1977-09-08 | 1981-12-02 | Arbra Instr Ltd | Electrical devices for initiating explosions |
GB2122444A (en) * | 1982-06-19 | 1984-01-11 | Ferranti Plc | Pulse generating circuit |
EP0223110B1 (en) * | 1985-10-26 | 1992-01-02 | Heinz Doevenspeck | Treatment of microorganisms promoting their metabolism and/or growth, and apparatus for carrying out the method |
-
1990
- 1990-02-22 GB GB9003970A patent/GB2228844B/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1604012A (en) * | 1977-09-08 | 1981-12-02 | Arbra Instr Ltd | Electrical devices for initiating explosions |
GB2122444A (en) * | 1982-06-19 | 1984-01-11 | Ferranti Plc | Pulse generating circuit |
EP0223110B1 (en) * | 1985-10-26 | 1992-01-02 | Heinz Doevenspeck | Treatment of microorganisms promoting their metabolism and/or growth, and apparatus for carrying out the method |
Also Published As
Publication number | Publication date |
---|---|
GB2228844A (en) | 1990-09-05 |
GB9003970D0 (en) | 1990-04-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE20 | Patent expired after termination of 20 years |
Effective date: 20070604 |