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In this paper, we provide a simple method to control cellulose nanofiber density inside three-dimensional (3D) gelatin/bacterial cellulose (Gel/BC) scaffold. Different cellulose nanofiber densities inside 3D scaffold were achieved by changing the bacterial density during cellulose biosynthesis. By increasing bacterial densities, Gel/BC scaffolds exhibited higher BC nanofiber density (average distance...
Hypertrophic scar (HS) is a kind of fibroproliferative disorder with gross and inordinate fiber bundles twisted in the deep scar and it often occurs after deep dermal injury. In this paper, bacterial cellulose (BC), a good candidate for wound dressing, was modified with a stripe pattern by a simple static culture method using patterned PDMS templates in order to investigate the inhibition of cicatricial...
Due to its unique properties, bacterial cellulose (BC) has attracted a great deal of interest as an implant material for tissue regeneration. However, one major problem of BC is inadequate vascularization which leads to cell apoptosis due to insufficient nutrients and oxygen supply. Herein, porous BC/gelatin (BC/Gel) scaffolds loaded with vascular endothelial growth factor (VEGF) with silk fibroin...
Bacterial cellulose (BC) has great potential for use as a tissue scaffold due to its unique structure and properties including high tensile strength and good biocompatibility. However, poor biodegradability of BC in the human body may be a key disadvantage limiting its application in the field. In this paper, we developed a simple absorption method to prepare biodegradable cellulase/BC materials....
A facile “Green Synthesis” method was used to prepare silver nanoparticles (AgNPs) in bacterial cellulose (BC) nanofibers, using BC as both the reducing and protecting agents with different concentration of AgNO3 (from 0.001 to 1 M) at 0.103 MPa pressure, 121 °C for 10 min without any other chemicals. The structures and properties of AgNPs/BC were characterized by UV–Visible spectral analysis, X-ray...
Microporous bacterial cellulose/potato starch (BC/PS) composites composed of a compact upper surface and transparent lower surface were fabricated by an in situ method by adding PS into the culture medium. The special structure formation mechanism was explored. Compared with original BC, a locally oriented surface morphology was observed when the concentration of PS in the culture media was above...
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