Determination of intracellular pH in the in vitro hippocampal slice preparation by transillumination spectrophotometry of neutral red.


A method is presented for measuring intracellular pH (pHi) spectrophotometrically in hippocampal slices using the pH dye indicator, Neutral red (NR). Measurements of pHi by NR were compared directly with the creatine kinase (CK) equilibrium method. Slices were bathed in artificial cerebrospinal fluid buffered with bicarbonate/CO2. Intracellular pH in… (More)


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