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Poly (Nass) functionalization of the Ti7.5Mo surface after TiO2 nanotubes growth

Grant number: 17/11064-0
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): August 01, 2017
Effective date (End): November 30, 2018
Field of knowledge:Engineering - Materials and Metallurgical Engineering
Principal researcher:Ana Paula Rosifini Alves Claro
Grantee:Lai Kuan Yu
Home Institution: Faculdade de Engenharia (FEG). Universidade Estadual Paulista (UNESP). Campus de Guaratinguetá. Guaratinguetá , SP, Brazil
Associated scholarship(s):17/23209-3 - Poly (Nass) functionalization of the Ti7.5Mo surface after TiO2 nanotubes growth, BE.EP.IC


The purpose of this study is the grafting of Ti7.5Mo alloy after TiO2 nanotubes growth. Ti7.5Mo alloy will be processed in arc melting furnace with argon atmosphere. Anodic oxidation will be carried out to obtain TiO2 nanotubes on the Ti7.5Mo alloy surface. Subsequently, bioactive polymers bearing sulfonate [styrene sodium sulfonate (NaSS)] will be deposited by radical polymerization at 70 ºC in the absence of oxygen. The grafted surfaces will be evaluated by scanning electron microscopy (SEM), contact angles, X-rays diffraction (XRD), toluidine blue (AT). In vitro studies will be performed to evaluate the biological response and bacteria adhesion after surface modification. (AU)

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