Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving viable micro-organism
Patent
1994-03-11
1996-05-21
Wityshyn, Michael G.
Chemistry: molecular biology and microbiology
Measuring or testing process involving enzymes or...
Involving viable micro-organism
435 4, 435 34, 435817, 435818, 436 62, 436138, 436810, 422 58, 422 79, 422102, 422111, C12Q 102, G01N 2100
Patent
active
055188931
ABSTRACT:
The biochemical oxygen demand (BOD) of aqueous liquids containing organic matter is determined. A microorganism culture is aerated to exhaust the organic matter available to the microorganisms. An aqueous liquid test sample containing organic matter is added to the exhausted culture to measure the amount of oxygen consumed by the microorganisms. The determination of biochemical oxygen demand (BOD) of the sample is determined in as little as 20 minutes. An apparatus is provided for determining BOD comprising a magnetic stirrer, an aerating instrument, a dissolved oxygen/temperature sensor, tubing pumps and a quick biochemical oxygen demand (QBOD) bottle. The BOD may be automatically calculated using the apparatus.
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patent: 4350763 (1982-09-01), Suzuki et al.
patent: 4898829 (1990-02-01), Siepmann et al.
Kulis et al., Biological Abstracts, vol. 75, No. 7, Ref. No. 48697, 1981.
Hyun et al, Biotechnology and Bioengineering, vol. 41, No. 11, pp. 1107-1111, May 1993.
Kim Hyung-Charn
Kim Sung-Hong
Park Yong-Seok
Yi Yong-Taek
Mohamed Abdel A.
Wityshyn Michael G.
Yukong Limited
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