Polímeros: Ciência e Tecnologia
Polímeros: Ciência e Tecnologia
Original Article

Evaluation of potential biomaterials for application in guide bone regeneration from Bacterial Nanocellulose/Hydroxyapatite

Elouise Gaulke; Michele Cristina Formolo Garcia; Bruna Segat; Giannini Pasiznick Apati; Andréa Lima dos Santos Schneider; Ana Paula Testa Pezzin; Karina Cesca; Luismar Marques Porto

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Bacterial nanocellulose (BNC) membranes have interconnected porous nanostructures and excellent biocompatibility. Functionalizing these with calcium phosphate sources and metal ions confers optimized properties to the biomaterial. This study aims to synthesize BNC membranes, functionalize them with copper and magnesium apatites, characterize and evaluate their cytotoxicity and antimicrobial potential. Membranes were synthesized for 8 days in Mannitol Medium. The biocomposite production was by immersion cycles. The biocomposites were characterized by porosity and swelling capacity, Fourier transforms infrared spectroscopy (FTIR), scanning electron microscopy (SEM), thermogravimetric analysis (TGA), antimicrobial properties and cytotoxicity assays. The FTIR and SEM results showed that phosphate groups were incorporated into the BNC. The TGA analysis also indicated the incorporation of the inorganic phase. The membrane functionalization with Cu promoted the antimicrobial properties of the biomaterial. However, functionalization with Mg had a more positive behavior on cell viability, proving to be more suitable for use as an implantable material.


apatites, bacterial nanocellulose, biocomposites, osteogenesis


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