Abdo Rostom

Bachelorstudent

Preparation and characterization of functional coatings based on chitosan and borate bioactive glass by using electrophoretic deposition (EPD)

Supervisors: Dr. Zoya Hadzhieva, Prof. Andreas Arkudas, Prof. Aldo R. Boccaccini

Bioactive glasses are widely investigated for biomedical applications owing to their bioactivity and ability to promote bone regeneration. In particular, borate-based bioactive glasses (BBGs) have gained increasing interest due to their enhanced degradation behavior, accelerated hydroxyapatite formation, and therapeutic ion release compared to conventional silicate glasses [1]. In the present study, BBGs were synthesized via the sol–gel route to obtain improved compositional homogeneity and high surface area. Subsequently, electrophoretic deposition (EPD) was employed to fabricate uniform and adherent BBG coatings on metallic substrates. The combination of sol–gel-derived BBGs and EPD processing represents a promising approach for improving the surface bioactivity and biological performance of biomedical implants [2].

[1] A.R. Boccaccini et al., Borate Bioactive Glasses in Tissue Engineering, ACS Biomaterials Science & Engineering, 2022. (LINK: https://pubs.acs.org/doi/10.1021/acsabm.2c00384 )

[2] I. Corni, M.P. Ryan, A.R. Boccaccini, Electrophoretic deposition: From traditional ceramics to nanotechnology, Journal of the European Ceramic Society, 2008. LINK: https://www.sciencedirect.com/science/article/pii/S0955221907005997 )