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Thermodynamic parameters of the binding interaction between oleic acid-grafted-chitosan polymers and zinc-insulin hexamers in phosphate buffered saline (10 mM, pH 7.4). Data are expressed as mean ± S.D, n=3.
| Polymer | k × 107 (M−1) | n (mol) | ΔH (kJ mol−1) |
|---|---|---|---|
| Chitosan 5 kDa (CSO) | 11.17 ± 0.09 | 3.04 ± 0.09 | −25.75 ± 0.87 |
| CSO-g-Oleic acid (25%) | 10.72 ± 0.27 | 3.26 ± 0.02 | −23.96 ± 0.39 |
| CSO-g-Oleic acid (45%) | 9.99 ± 0.18 | 3.76 ± 0.01 | −21.13 ± 0.12 |
