Table 1.

Changes in the extracellular and intracellular pH of tumors following i.v. glucose

ControlMinutes following glucose injection
15 min30 min45 min70 min95 min
pHe6.77 ± 0.03*6.66 ± 0.036.57 ± 0.066.50 ± 0.056.46 ± 0.056.50 ± 0.05
pHi7.17 ± 0.067.08 ± 0.057.07 ± 0.067.11 ± 0.057.07 ± 0.057.07 ± 0.05
pHe-pHi−0.38 ± 0.07−0.42 ± 0.06−0.50 ± 0.08−0.61 ± 0.07−0.61 ± 0.07−0.57 ± 0.07
  • Abbreviations: pHe, extracellular pH; pHi, intracellular pH.

  • * SE.