TABLE 1

Composition of solutions used for the skinned fiber experiments (pCa = −log10[Ca2+])


Solution and Function

Parameter
pCa
[EGTA]
[Mg2+]
[Caffeine]
Incubation Time
mM min
Basic solutions
Relaxing 9.0 10 1 0
Maximal activating 4.5 10 1 0
Saponin experiment solutions
1. Loading 7.0 10 1 0 2
2. Washing 7.5 0.4 0.1 0 2
3. Releasing
7.5
0.4
0.1
10
Contracture duration