Compositions of external solutions
| Chemical | 2 Ca (Ringer’s) | 20 Ca | 2 CaChol | 20 CaChol | NaDVF | CsDVF |
| NaCl | 151.5 | 120 | − | − | 160 | − |
| CsCl | − | − | − | − | − | 160 |
| KCl | 4.5 | − | − | − | − | − |
| CaCl2 | 2 | 20 | 2 | 20 | − | − |
| Choline-Cl | − | − | 156 | 120 | − | − |
| HEDTA | − | − | − | − | 2 | 2 |
| HEPES | 10 | 10 | 10 | 10 | 10 | 10 |
| Glucose | 10 | 10 | 10 | 10 | 10 | 10 |
| Sucrose | 11 | 26 | 14 | 31 | 1 | 11 |
| pH adjusted to 7.2 by | NaOH | NaOH | Choline-OH | Choline-OH | NaOH | CsOH |
| Chemical | 2 Ca (Ringer’s) | 20 Ca | 2 CaChol | 20 CaChol | NaDVF | CsDVF |
| NaCl | 151.5 | 120 | − | − | 160 | − |
| CsCl | − | − | − | − | − | 160 |
| KCl | 4.5 | − | − | − | − | − |
| CaCl2 | 2 | 20 | 2 | 20 | − | − |
| Choline-Cl | − | − | 156 | 120 | − | − |
| HEDTA | − | − | − | − | 2 | 2 |
| HEPES | 10 | 10 | 10 | 10 | 10 | 10 |
| Glucose | 10 | 10 | 10 | 10 | 10 | 10 |
| Sucrose | 11 | 26 | 14 | 31 | 1 | 11 |
| pH adjusted to 7.2 by | NaOH | NaOH | Choline-OH | Choline-OH | NaOH | CsOH |
Compositions of external solutions used during patch clamp experiments. Numbers represent concentrations (in mM). DVF, divalent free. −, not applicable.