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Mechanisms of disposal of acid and alkali in rabbit duodenum.

Am J Physiol 1975 Dec;229(6):1641-8

Stripped duodenal mucosa of rabbits was mounted in Ussing chambers containing a Ringer solution gassed with 100% O2. The disappearance of acid or alkali from the mucosal solution of short-circuited tissue was measured with a pH stat while the serosal pH was kept at 7.4. Read More

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December 1975

[Isolation of proteins with complex forming agents].

Nahrung 1975 ;19(9-10):935-9

Taking vegetable albumins for models, the authors report of the possibilities of isolating proteins (which cannot be precipitated isoelectrically) by using their property of forming complexes with tannin or poly-anions. The precipitation of proteins with dextran sulphate or polyphosphates, which is due to electrostatic interaction, depends on the pH value and the electrolyte content of the solution. Under appropriate experimental conditions, protein yields of 100% are achieved. Read More

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