Chemistry: molecular biology and microbiology – Enzyme – proenzyme; compositions thereof; process for... – Hydrolase
Patent
1991-10-01
1993-04-27
Kratz, Peter
Chemistry: molecular biology and microbiology
Enzyme , proenzyme; compositions thereof; process for...
Hydrolase
204403, 435289, 435817, G01N 27327, C12M 134
Patent
active
052061701
ABSTRACT:
In a sulfur dioxide detector using SO.sub.2 -oxidant microbes, a bio-membrane is located at one end of an oxygen concentration sensor, the bio-membrane containing the SO.sub.2 -oxidant microbes between an immobilized membrane and a gas permeable membrane. The sensor has an electrode in contact with the immobilized membrane. A dish-shaped or frusto-conical cell has an open end which is in contact with the gas permeable membrane so that SO.sub.2 -laden solution supplied to the cell causes sulfurous acid to oxidize to sulfuric acid as the SO.sub.2 permeates through the bio-membrane so as to change an output from the sensor. An inlet and outlet hole are formed on a sidewall of the cell. The outlet hole is located to be always directly above the inlet hole so as to drain foam formed when the SO.sub.2 -laden solution is supplied to the cell through the inlet hole and drained from the outlet hole.
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Akano Hirofumi
Iijima Shigesada
Kawamura Yoshiya
Kubo Nobuko
Sato Takeshi
Kratz Peter
Nakano Vinegar Co., Ltd.
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