Antimicrobial Cu-Doped TiO2 Coatings on the β Ti-30Nb-5Mo Alloy by Micro-Arc Oxidation

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorConsiglio Nazionale delle Ricerche (ISM-CNR)-
Autor(es): dc.contributorIstituto Zooprofilattico Sperimentale Lazio e Toscana “M. Aleandri”-
Autor(es): dc.contributorUniversità della Basilicata-
Autor(es): dc.contributorSechenov First Moscow State Medical University-
Autor(es): dc.creatorCardoso, Giovana Collombaro-
Autor(es): dc.creatorBarbaro, Katia-
Autor(es): dc.creatorKuroda, Pedro Akira Bazaglia-
Autor(es): dc.creatorDe Bonis, Angela-
Autor(es): dc.creatorTeghil, Roberto-
Autor(es): dc.creatorKrasnyuk, Ivan I.-
Autor(es): dc.creatorImperatori, Luca-
Autor(es): dc.creatorGrandini, Carlos Roberto-
Autor(es): dc.creatorRau, Julietta V.-
Data de aceite: dc.date.accessioned2025-08-21T19:02:00Z-
Data de disponibilização: dc.date.available2025-08-21T19:02:00Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2023-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.3390/ma17010156-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/306601-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/306601-
Descrição: dc.descriptionAmong the different surface modification techniques, micro-arc oxidation (MAO) is explored for its ability to enhance the surface properties of Ti alloys by creating a controlled and durable oxide layer. The incorporation of Cu ions during the MAO process introduces additional functionalities to the surface, offering improved corrosion resistance and antimicrobial activity. In this study, the β-metastable Ti-30Nb-5Mo alloy was oxidated through the MAO method to create a Cu-doped TiO2 coating. The quantity of Cu ions in the electrolyte was changed (1.5, 2.5, and 3.5 mMol) to develop coatings with different Cu concentrations. X-ray diffraction, X-ray photoelectron spectroscopy, scanning electron and atomic force microscopies, contact angle, and Vickers microhardness techniques were applied to characterize the deposited coatings. Cu incorporation increased the antimicrobial activity of the coatings, inhibiting the growth of Staphylococcus aureus, Enterococcus faecalis, Pseudomonas aeruginosa bacteria strains, and Candida albicans fungus by approximately 44%, 37%, 19%, and 41%, respectively. Meanwhile, the presence of Cu did not inhibit the growth of Escherichia coli. The hardness of all the deposited coatings was between 4 and 5 GPa. All the coatings were non-cytotoxic for adipose tissue-derived mesenchymal stem cells (AMSC), promoting approximately 90% of cell growth and not affecting the AMSC differentiation into the osteogenic lineage.-
Descrição: dc.descriptionLaboratório de Anelasticidade e Biomateriais UNESP—Universidade Estadual Paulista, SP-
Descrição: dc.descriptionIstituto di Struttura della Materia Consiglio Nazionale delle Ricerche (ISM-CNR), Via del Fosso del Cavaliere 100-
Descrição: dc.descriptionIstituto Zooprofilattico Sperimentale Lazio e Toscana “M. Aleandri”, Via Appia Nuova 1411-
Descrição: dc.descriptionDipartimento di Scienze Università della Basilicata, Via dell’Ateneo Lucano 10-
Descrição: dc.descriptionDepartment of Analytical Physical and Colloid Chemistry Institute of Pharmacy Sechenov First Moscow State Medical University, Trubetskaya 8, Build. 2-
Descrição: dc.descriptionLaboratório de Anelasticidade e Biomateriais UNESP—Universidade Estadual Paulista, SP-
Idioma: dc.languageen-
Relação: dc.relationMaterials-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectantibacterial-
Palavras-chave: dc.subjectantimicrobial-
Palavras-chave: dc.subjectcoating-
Palavras-chave: dc.subjectcopper-
Palavras-chave: dc.subjectmicro-arc oxidation-
Palavras-chave: dc.subjectsurface modification-
Palavras-chave: dc.subjecttitanium alloy-
Título: dc.titleAntimicrobial Cu-Doped TiO2 Coatings on the β Ti-30Nb-5Mo Alloy by Micro-Arc Oxidation-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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