Table 1.

Recording solutions

SolutionNaClKClCaCl2MgCl2NaHCO3SucroseTrehalose HEPES
Normal150104249055
Ca2+-free1501001845455
Hi-divalent1501012645455
  • Concentrations are given in millimolars. All solutions were titrated to a pH of 7.2. In certain experiments, 1 mm EGTA was added to the Ca2+-free solutions.