期刊
POLYMERS
卷 14, 期 10, 页码 -出版社
MDPI
DOI: 10.3390/polym14102070
关键词
hydrogel; chitosan; gamma-poly(glutamic acid); Dendrobium officinale enzyme; skin care
资金
- Natural Science Foundation of Anhuri Province [2108085MC71]
- National Natural Science Foundation of China [32070965, 22072001]
In this study, Dendrobium officinale enzyme (DOE) was used to improve the properties of chitosan/gamma-poly(glutamic acid) (CS/gamma-PGA) hydrogel. The results showed that DOE can enhance the toughness of the hydrogel and improve its skincare effects.
Hydrogels have been widespreadly used in various fields. But weak toughness has limited their further applications. In this study, Dendrobium officinale enzyme (DOE) was explored to improve chitosan/gamma-poly(glutamic acid) (CS/gamma-PGA) hydrogel in the structure and properties. The results indicated that DOE with various sizes of ingredients can make multiple noncovalent crosslinks with the skeleton network of CS/gamma-PGA, significantly changing the self-assembly of CS/gamma-PGA/DOE hydrogel to form regular protuberance nanostructures, which exhibits stronger toughness and better behaviors for skin care. Particularly, 4% DOE enhanced the toughness of CS/gamma-PGA/DOE hydrogel, increasing it by 116%. Meanwhile, water absorption, antioxygenation, antibacterial behavior and air permeability were increased by 39%, 97%, 27% and 52%.
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