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Andrade indicator

Andrade indicator (American bacteriologist E. P. Andrade, 1872-1906) – a reactant with the content of fuchsin which is added to differential and diagnostic mediums with carbohydrates for the purpose of definition of glycoclastic activity of bacteria. A medium in cases of shift of pH in the acid party is painted in red color.

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The weight of a human brain makes about 2% of all body weight, however it consumes about 20% of the oxygen coming to blood. This fact does a human brain extremely susceptible to the damages caused by shortage of oxygen.