Table 1 The content of thiol groups attached to the CS (mean ± S.D., n = 3).

From: Potential advantages of a novel chitosan-N-acetylcysteine surface modified nanostructured lipid carrier on the performance of ophthalmic delivery of curcumin

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