Journal
NANOMATERIALS
Volume 12, Issue 2, Pages -Publisher
MDPI
DOI: 10.3390/nano12020239
Keywords
wound dressing biomaterial; decorated carbon nanotubes; nanoparticles; antimicrobial properties
Categories
Funding
- Romanian Ministry of Research and Innovation, CCCDI-UEFISCDI, within PNCDI III [PNIII-P1-1.2-PCCDI-2017-0476/51PCCDI/2018]
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This study focuses on the synthesis of TiO2-decorated multi-walled carbon nanotubes and their incorporation into cellulose acetate-collagen films to obtain a new biomaterial with potential biomedical applications and improved antimicrobial activity. The results show that the presence of the nanocomposites enhances and maintains the antimicrobial activity of the wound dressings, and the obtained films exhibit good biocompatibility.
This research focuses on the synthesis of multi-walled carbon nanotubes (MWCNTs) decorated with TiO2 nanoparticles (NPs) and incorporated in cellulose acetate-collagen film in order to obtain a new biomaterial with potential biomedical applications and improved antimicrobial activity. The successful decoration of the MWCNTs with TiO2 NPs was confirmed by several structural and morphological analysis, such as Fourier transformed infrared spectroscopy, Raman spectroscopy, X-ray diffraction and transmission electron microscopy. The obtained nanocomposites were further incorporated into cellulose acetate-collagen films, at different concentrations and absorption kinetics, antimicrobial activity and in vitro biocompatibility of the obtained films was investigated. The antimicrobial tests sustained that the presence of the nanocomposites into the polymeric matrix is an important aspect in increasing and maintaining the antimicrobial activity of the polymeric wound dressings over time. The biocompatibility and cytotoxicity of the obtained films was evaluated using cellular viability/proliferation assay and fluorescent microscopy which revealed the ability of the obtained materials as potential wound dressing biomaterial.
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