Patent · US Expired

Method and apparatus for measuring microorganism activity

US4288544A · kind A · utility

13Cited by
9References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 1, 1979
Grant dateSep 8, 1981
Priority date
Expiry dateMay 1, 1999

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC12Q2304/80
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

The microbial activity in a liquid medium is determined by measuring the electric current values or potential values generated by the microorganisms. Also disclosed herein is apparatus for carrying out such measurement comprising two electrodes or two electrolytic electrode systems constructed and arranged to be immersed in a culture liquor.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.