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Título: | Electrical impedance of surface modified porous titanium implants with femtosecond laser |
Autor: | Navarro, Paula; Olmo, Alberto CSIC ORCID; Giner, Mercè; Rodríguez-Albelo, Marleny; Rodíguez-Vázquez, Ángel; Torres, Yadir | Palabras clave: | Cell culture Porous titanium Electrical impedance Osseointegration Femtosecond laser |
Fecha de publicación: | 2022 | Editor: | Multidisciplinary Digital Publishing Institute | Citación: | Materials 15(2): 461 (2022) | Resumen: | The chemical composition and surface topography of titanium implants are essential to improve implant osseointegration. The present work studies a non-invasive alternative of electrical impedance spectroscopy for the characterization of the macroporosity inherent to the manufacturing process and the effect of the surface treatment with femtosecond laser of titanium discs. Osteoblasts cell culture growths on the titanium surfaces of the laser-treated discs were also studied with this method. The measurements obtained showed that the femtosecond laser treatment of the samples and cell culture produced a significant increase (around 50%) in the absolute value of the electrical impedance module, which could be characterized in a wide range of frequencies (being more relevant at 500 MHz). Results have revealed the potential of this measurement technique, in terms of advantages, in comparison to tiresome and expensive techniques, allowing semi-quantitatively relating impedance measurements to porosity content, as well as detecting the effect of surface modification, generated by laser treatment and cell culture. | Descripción: | This article belongs to the Topic Scientific Advances in STEM: Synergies to Achieve Success, 2nd Volume. | Versión del editor: | https://doi.org/10.3390/ma15020461 | URI: | http://hdl.handle.net/10261/336899 | DOI: | 10.3390/ma15020461 | E-ISSN: | 1996-1944 |
Aparece en las colecciones: | (IMSE-CNM) Artículos |
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electricalaser.pdf | 4,42 MB | Adobe PDF | Visualizar/Abrir |
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