Multi-chambered module for use in monitoring growth of microorganisms
US4072578A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 22, 1976 |
| Grant date | Feb 7, 1978 |
| Priority date | — |
| Expiry date | Apr 22, 1996 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/48735
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A multi-chambered module for holding separate samples of nutrient media. A plurality of chambers, with access means into each, is permanently attached to an electrically non-conductive base. Embedded within the base under the chambers is a plurality of electrically conductive leads. Terminal portions at one end of the leads emerge in spaced pairs into each chamber forming electrodes therein. At the other end of the leads terminal portions are exposed for contact with an electrical source. A signal passed through the electrodes in galvanic contact with media permits the impedance thereof to be determined, with changes of impedance directly associated with microorganism growth therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.