Artículo
Porous Titanium surfaces to control bacteria growth: mechanical properties and sulfonated polyetheretherketone coating as antibiofounling approaches
Autor/es | Beltrán, Ana M.
Civantos, Ana Domínguez-Trujillo, Cristina Moriche Tirado, Rocío Rodríguez-Ortiz, José Antonio García-Moreno, Francisco Webster, Thomas J. Kamm, Paul H. Mesa Restrepo, Andrea Torres Hernández, Yadir |
Departamento | Universidad de Sevilla. Departamento de Ingeniería y Ciencia de los Materiales y del Transporte |
Fecha de publicación | 2019 |
Fecha de depósito | 2020-01-17 |
Publicado en |
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Resumen | Here, titanium porous substrates were fabricated by a space holder technique. The relationship between microstructural characteristics (pore equivalent diameter, mean free-path between pores, roughness and contact surface), ... Here, titanium porous substrates were fabricated by a space holder technique. The relationship between microstructural characteristics (pore equivalent diameter, mean free-path between pores, roughness and contact surface), mechanical properties (Young’s modulus, yield strength and dynamic micro-hardness) and bacterial behavior are discussed. The bacterial strains evaluated are often found on dental implants: Methicillin-resistant Staphylococcus aureus (MRSA) and Pseudomonas aeruginosa. The colony-forming units increased with the size of the spacer for both types of studied strains. An antibiofouling synthetic coating based on a sulfonated polyetheretherketone polymer revealed an effective chemical surface modification for inhibiting MRSA adhesion and growth. These findings collectively suggest that porous titanium implants designed with a pore size of 100–200 µm can be considered most suitable, assuring the best biomechanical and bifunctional anti-bacterial properties. |
Identificador del proyecto | US 2018, I.3A2 |
Cita | Beltrán, A.M., Civantos, A., Domínguez-Trujillo, C., Moriche Tirado, R., Rodríguez-Ortiz, J.A., García-Moreno, F.,...,Torres Hernández, Y. (2019). Porous Titanium surfaces to control bacteria growth: mechanical properties and sulfonated polyetheretherketone coating as antibiofounling approaches. Metals, 9 (9), 995-. |
Ficheros | Tamaño | Formato | Ver | Descripción |
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M_beltran_2019_porous.pdf | 5.860Mb | [PDF] | Ver/ | |