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Initial feed amounts of carboxymethyl chitosan (CMC) and oxidized sucrose (OS) for preparation of the CMG hydrogels (CMCG 1–4). The cross-linking degrees (CR) of the hydrogels are also given.
| Sample | CMC/mg (Amine/mmol) |
OS/mg (Aldehyde/mmol) |
CR 1 |
|---|---|---|---|
| CMCG 1 | 400 (0.14) | 6.10 (0.07) | 0.08 |
| CMCG 2 | 400 (0.14) | 12.2 (0.14) | 0.11 |
| CMCG 3 | 400 (0.14) | 24.5 (0.28) | 0.14 |
| CMCG 4 | 400 (0.14) | 49.0 (0.56) | 0.20 |
1 Number of imine bonds formed between CMC and OS per GlcN residue.
