This study has demonstrated that it is conceivable to fine-tune surface properties which influence its response to bio-macromolecules by heterogeneous chemical modification
2003
Key concepts
Scholarcy highlights
- The surface of chitosan films was modified using acid chloride and acid anhydrides
- Chemical composition at the film surface was analyzed by attenuated total reflectance Fourier-transform infrared spectroscopy and X-ray photoelectron spectroscopy
- ATR-FTIR data verified that the substitution took place at the amino groups of chitosan, forming amide linkages, and the modification proceeded to the depth at least 1 μm
- Choices of molecules substituted at the amino groups of the glucosamine units did affect the hydrophobicity of the film surface, as indicated by air–water contact angle analysis
- The improved surface hydrophobicity affected by the stearoyl groups promoted protein adsorption
- This study has demonstrated that it is conceivable to fine-tune surface properties which influence its response to bio-macromolecules by heterogeneous chemical modification
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