Table II.
Mechanical Properties of 4RepCT, CC1 and S fibers, Made Under Different Conditions
| Protein | Treatment | n | Mean maximum stress (MPa) ± SD | Mean maximum strain (%) ± SD | Mean initial modulus (GPa) ± SD |
|---|---|---|---|---|---|
| 4RepCT | — | 16 | 80 ± 20 | 1.0 ± 0.1 | 9 ± 2 |
| CC1 | — | 9 | 110 ± 30 | 1.2 ± 0.3 | 12 ± 4 |
| CC1 | DMSOa | 8 | 90 ± 20 | 0.9 ± 0.1 | 12 ± 3 |
| CC1 | O2b | 10 | 100 ± 30 | 0.9 ± 0.1 | 13 ± 3 |
| CC1 | GSH/GSSGc | 16 | 110 ± 30 | 1.0 ± 0.3 | 14 ± 4 |
| S | — | 8 | 80 ± 30 | 0.9 ± 0.2 | 10 ± 4 |
a
Fibers treated over night in 20 mM Tris-HCl, pH 8 containing 10% DMSO.
b
Fibers treated 3 h with gentle bubbling of O2.
c
Fibers formed in 20 mM Tris-HCl, pH 8, with 3 mM GSH/0.3 mM GSSG