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For ideal wound-healing dressings, the chitosan-based films loaded with tea tree oil droplets were successfully fabricated by solution casting method. Tea tree oil emulsion droplets of about 200–300 nm in size were dispersed and immersed in chitosan films. Fourier transform infrared spectroscopy and differential scanning calorimetry measurement illustrated that the hydrogen-bonding interaction...
Chitosan, the only alkaline polysaccharide in the nature; phenylalanine, one of the essential amino acids, have a spacious application foreground in food industry. In this work, phenylalanine modified carboxymethyl chitosan (Ph-CMC) was synthesized; Ft-IR, 1H NMR and elemental analysis were used to characterize the structure of Ph-CMC. The effect of material mole ratio on substitution degree was determined,...
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