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Int. J. Mol. Sci. 2014, 15(7), 13030-13044; doi:10.3390/ijms150713030

Calcium and Zinc Containing Bactericidal Glass Coatings for Biomedical Metallic Substrates

1
Department of Biomaterials and Bioinspired Materials, Institute of Materials Science of Madrid (ICMM-CSIC), Cantoblanco, Madrid 28049, Spain
2
Nanomaterials and Nanotechnology Research Center (CINN-CSIC)—Universidad de Oviedo (UO) —Principado de Asturias, El Entrego, San Martín del Rey Aurelio 33940, Spain
3
Moscow State University of Technology (STANKIN), Vadkovskij per. 1, Moscow Oblast, Moscow 101472, Russia
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Received: 25 April 2014 / Revised: 30 June 2014 / Accepted: 1 July 2014 / Published: 23 July 2014
(This article belongs to the Special Issue Biologic Coatings for Orthopaedic Implant)
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Abstract

The present work presents new bactericidal coatings, based on two families of non-toxic, antimicrobial glasses belonging to B2O3–SiO2–Na2O–ZnO and SiO2–Na2O–Al2O3–CaO–B2O3 systems. Free of cracking, single layer direct coatings on different biomedical metallic substrates (titanium alloy, Nb, Ta, and stainless steel) have been developed. Thermal expansion mismatch was adjusted by changing glass composition of the glass type, as well as the firing atmosphere (air or Ar) according to the biomedical metallic substrates. Formation of bubbles in some of the glassy coatings has been rationalized considering the reactions that take place at the different metal/coating interfaces. All the obtained coatings were proven to be strongly antibacterial versus Escherichia coli (>4 log). View Full-Text
Keywords: bactericidal glass; biocompatible glass; bactericidal glassy coating; ZnO-glass; soda-lime glass; biometal coating bactericidal glass; biocompatible glass; bactericidal glassy coating; ZnO-glass; soda-lime glass; biometal coating
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Esteban-Tejeda, L.; Díaz, L.A.; Prado, C.; Cabal, B.; Torrecillas, R.; Moya, J.S. Calcium and Zinc Containing Bactericidal Glass Coatings for Biomedical Metallic Substrates. Int. J. Mol. Sci. 2014, 15, 13030-13044.

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