Abstract
THE principle of replacing, by means of electrolysis, the oxygen consumed in measurements of metabolism offers the threefold possibility of having a high degree of sensitivity, of controlling the phenomenon for an unlimited time and avoiding calculation entirely. An electrolytic cell (30 per cent sodium hydroxide), capable of producing oxygen, is connected by means of a tube to the thermostatic chamber in which the animal is enclosed. The chamber is provided with a mechanical system for circulating the air and absorbing carbon dioxide, and comprises a pump and a purifier. The whole, including the metabolism chamber, the pump, the purifier, the bell-jar placed over the nickel electrode, and the connecting tubes, is hermetically sealed. Measurement and integration in time of the quantity of electricity supplied by the current generator to the electrolytic cell is done electrically.
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CAPRARO, V. A New Method of measuring Oxygen consumed in the Metabolism of Small Animals. Nature 172, 815 (1953). https://doi.org/10.1038/172815a0
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DOI: https://doi.org/10.1038/172815a0
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