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. 2021 Dec 6;13(23):6144. doi: 10.3390/cancers13236144

Table 1.

Composition of extracellular solutions (pH 7.3, adjusted with NaOH, and 300 mOsm/kg H2O).

Variable NaCl KCl CaCl2 MgCl2 HEPES EGTA
STD 145 mM 5 mM 2 mM 1 mM 10 mM -
STD 0 Ca2+ 145 mM 5 mM - 1 mM 10 mM 3 mM