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. 1978 Jul;45(1):137-9.
doi: 10.1152/jappl.1978.45.1.137.

Tracer priming the bicarbonate pool

Tracer priming the bicarbonate pool

J R Allsop et al. J Appl Physiol Respir Environ Exerc Physiol. 1978 Jul.

Abstract

We have described a technique whereby the time necessary to reach an equilibrium enrichment of expired CO2 during a primed-constant infusion of [U-13C]glucose was shortened from 7 to 8 h to 1 hour or less. We applied the theory of the primed-constant infusion technique to the bicarbonate pool, with the "constant infusion" of labeled carbon dioxide originating from oxidation of the infused [13C]glucose rather than from a labeled infusion of bicarbonate.

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