Cerebral energy metabolism and intracellular pH during severe hypoxia and recovery: a study using 1H, 31P, and 1H [13C] nuclear magnetic resonance spectroscopy in the guinea pig cerebral cortex in vitro.


1H and 31P nuclear magnetic resonance spectroscopy was used to study intracellular pH (pHi), high-energy phosphates, lactate, and amino acids in cortical brain slices superfused in Krebs-Henseleit bicarbonate buffer during and after severe hypoxia at 0, 10, and 50 mM glucose. An extensive drop in phosphocreatine (PCr) and a rapid build-up of intracellular… (More)


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