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Updated: Mar 24, 2026
Bacterial Cellulose Spheres that Encapsulate Solid Materials
Published on: February 26, 2021
Novel Cu@SiO2/bacterial cellulose nanofibers: Preparation and excellent performance in antibacterial activity
Bo Ma1, Yang Huang2, Chunlin Zhu2
1Chemicobiology and Functional Materials Institute of Nanjing University of Science and Technology, Xiao Ling Wei 200, Nanjing 210094, China; Department of Life Sciences of Lianyungang Teacher's College, Sheng Hu Lu 28, Lianyungang 222006, China.
Abstract:
The antibacterial composite based on bacterial cellulose (BC) was successfully prepared by in-situ synthesis of SiO2 coated Cu nanoparticles (Cu@SiO2/BC) and its properties were characterized. Its chemical structures and morphologies were evaluated by Fourier transformation infrared spectrum (FTIR), scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). The results demonstrated that the SiO2 coated Cu particles were well homogeneously precipitated on the surface of BC. The Cu@SiO2/BC was more resistant to oxidation than the Cu nanoparticles impregnated into BC (Cu/BC) and then Cu@SiO2/BC could prolong the antimicrobial activity against Staphylococcus aureus (S. aureus) and Escherichia coli (E. coli).
