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Results of the FTIR analysis of the raw materials in the BSP/BER hydrogels.
| Materials | Absorption Peak | Chemical Group |
|---|---|---|
| BSP | 3420 cm−1 | -OH |
| 2819 cm−1 | -CH | |
| 1732 cm−1 | -COOH | |
| 1126 cm−1 | -C-O-C- | |
| 872 cm−1 | β-glucose | |
| 764 cm−1 | Mannose residues | |
| BER | 3420 cm−1 | -OH |
| 2845 cm−1 | -CH | |
| 1597 cm−1, 1507 cm−1 | Benzene ring skeleton | |
| CBM940 | 3446 cm−1 | -OH |
| 2959 cm−1 | -CH | |
| 1716 cm−1 | -COOH |
