Table 1 The content of thiol groups attached to the CS (mean ± S.D., n = 3).
Copolymer | NAC:CS (molar ratio) | Free thiol groups (μmol/g) | Disulfide content (μmol/g) | Total thiol groups (μmol/g) |
---|---|---|---|---|
CS-NACH | 4:1 | 496.7 ± 17.1 | 103.5 ± 19.4 | 600.2 ± 28.8 |
CS-NACM | 2:1 | 320.3 ± 25.1 | 69.6 ± 5.3 | 389.9 ± 22.5 |
CS-NACL | 1:1 | 200.3 ± 17.3 | 43.6 ± 16.9 | 243.9 ± 15.4 |