Table 4.
Composition of standard solutions (in mM).
| Solution | NaCl | KCl | CaCl2 | MgCl2 | HEPES | EGTA * |
|---|---|---|---|---|---|---|
| External | 140 | 5.4 | 1.8 | 1.2 | 10 | – |
| Internal | 10 | 135 | 0.134 | 5 | 5 | 10 |
EGTA *—ethylene glycol tetraacetic acid.
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