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Title

Calcium and zinc containing bactericidal glass coatings for biomedical metallic substrates

AuthorsEsteban-Tejeda, Leticia CSIC; Díaz, Luis A. CSIC ORCID; Prado, Catuxa CSIC ORCID; Cabal, Belén CSIC ORCID ; Torrecillas, Ramón CSIC ORCID CVN; Moya, J. S. CSIC
KeywordsBactericidal glasses
Biocompatible glass
Biometal coating
ZnO-glass
Soda-lime glass
Bactericidal glassy coating
Issue Date23-Jul-2014
PublisherMultidisciplinary Digital Publishing Institute
CitationInternational Journal of Molecular Sciences 15(7): 13030-13044 (2014)
AbstractThe 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). © 2014 by the authors; licensee MDPI, Basel, Switzerland.
DescriptionThis is an open access article distributed under the Creative Commons Attribution License.-- This article belongs to the Special Issue "Biologic Coatings for Orthopaedic Implant".
Publisher version (URL)http://dx.doi.org/10.3390/ijms150713030
URIhttp://hdl.handle.net/10261/109411
DOI10.3390/ijms150713030
Identifiersissn: 1422-0067
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