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Revista de Metalurgia
Article . 2015 . Peer-reviewed
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Revista de Metalurgia
Article
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Revista de Metalurgia
Article . 2015
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Adhesión de osteoblastos sobre una superficie de Ti de rugosidad controlada

Authors: Laura Burgos-Asperilla; M. Cristina García-Alonso; M. Lorenza Escudero; Concepción Alonso;

Adhesión de osteoblastos sobre una superficie de Ti de rugosidad controlada

Abstract

En este trabajo, se ha estudiado la interacción in situ entre células osteoblásticas Saos-2 y una superficie de Ti de rugosidad controlada a lo largo del tiempo. El estudio de la cinética y los mecanismos de proliferación celular de adhesión se ha realizado a través de la microbalanza de cristal de cuarzo (QCM) y espectroscopía de impedancia electroquímica (EIS). La velocidad de adhesión de los osteoblastos sobre la superficie de Ti obtenida a través de medidas con la QCM, sigue una reacción de primer orden, con k=2×10−3 min−1. Los ensayos de impedancia indican que, en ausencia de las células, la resistencia del Ti disminuye con el tiempo (7 días), debido a la presencia de aminoácidos y proteínas del medio de cultivo que se han adsorbido, mientras que en presencia de células, esta disminución es mucho mayor debido a los productos metabólicos generados por las células que aceleran la disolución del Ti.

Keywords

Mining engineering. Metallurgy, TN1-997, espectroscopia de impedancia electroquímica, titanio, osteoblastos saos-2, microbalanza de cristal de cuarzo

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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