期刊
APPLIED SCIENCES-BASEL
卷 9, 期 15, 页码 -出版社
MDPI
DOI: 10.3390/app9153051
关键词
amphiphatic chitosan; cellulose nanocrystals; graphene oxide; nanocomposite hydrogel; antibacterial ability
类别
资金
- Ministry of Science and Technology, Taiwan [MOST 108-2218-E-002-010, MOST 107-2622-8-131-003, MOST 108-2622-E-131-002-CC3]
- industrial development bureau, Ministry of Economic Affairs of Taiwan [E10700010006-059]
Environmental-friendly nanocomposite hydrogels of carboxymethyl-hexanoyl chitosan (CHC), graphene oxide (GO) and cellulose nanocrystals (CNCs) were combined to produce a bio-hydrogel with great biocompatibility and antibacterial ability. The size of the GO nanosheets was about 200-500 nm, and the CNCs had a length of 100-200 nm and a width of 10-20 nm, as shown by transmission electron microscopy (TEM). X-ray photoelectron spectroscopy (XPS) was utilized for the analysis of the oxygen functional groups of GO. The homogeneous dispersion of the CHC/GO/CNC nanocomposite hydrogel showed significantly higher water absorption capacity and water retention capability. In addition, inhibition of a variety of microorganisms (gram-negative and gram-positive bacteria and fungi) by the introduction of the CHC/GO/CNC nanocomposite hydrogel demonstrated that there is a great opportunity to use it in the bio-medical field, such as for plastic masks and wound dressings.
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