Characterization of Iron Oxide Nanotubes Obtained by Anodic Oxidation for Biomedical Applications—In Vitro Studies

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorCorporación Universitaria Comfacauca-Unicomfacauca-
Autor(es): dc.contributorUniversity of Minho-
Autor(es): dc.contributorICVS/3B’s—PT Government Associated Laboratory-
Autor(es): dc.creatorRangel, Rita de Cássia Reis-
Autor(es): dc.creatorRangel, André Luiz Reis-
Autor(es): dc.creatorda Silva, Kerolene Barboza-
Autor(es): dc.creatorEscada, Ana Lúcia do Amaral-
Autor(es): dc.creatorChaves, Javier Andres Munoz-
Autor(es): dc.creatorMaia, Fátima Raquel-
Autor(es): dc.creatorPina, Sandra-
Autor(es): dc.creatorReis, Rui L.-
Autor(es): dc.creatorOliveira, Joaquim M.-
Autor(es): dc.creatorRosifini Alves, Ana Paula-
Data de aceite: dc.date.accessioned2025-08-21T22:19:38Z-
Data de disponibilização: dc.date.available2025-08-21T22:19:38Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2024-08-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.3390/ma17153627-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/305671-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/305671-
Descrição: dc.descriptionTo improve the biocompatibility and bioactivity of biodegradable iron-based materials, nanostructured surfaces formed by metal oxides offer a promising strategy for surface functionalization. To explore this potential, iron oxide nanotubes were synthesized on pure iron (Fe) using an anodic oxidation process (50 V–30 min, using an ethylene glycol solution containing 0.3% NH4F and 3% H2O, at a speed of 100 rpm). A nanotube layer composed mainly of α-Fe2O3 with diameters between 60 and 70 nm was obtained. The effect of the Fe-oxide nanotube layer on cell viability and morphology was evaluated by in vitro studies using a human osteosarcoma cell line (SaOs-2 cells). The results showed that the presence of this layer did not harm the viability or morphology of the cells. Furthermore, cells cultured on anodized surfaces showed higher metabolic activity than those on non-anodized surfaces. This research suggests that growing a layer of Fe oxide nanotubes on pure Fe is a promising method for functionalizing and improving the cytocompatibility of iron substrates. This opens up new opportunities for biomedical applications, including the development of cardiovascular stents or osteosynthesis implants.-
Descrição: dc.descriptionSão Paulo State University (UNESP) School of Engineering-
Descrição: dc.descriptionSão Paulo State University (UNESP) School of Engineering and Sciences, São Paulo-
Descrição: dc.descriptionIntelligent System Research Group Faculty of Engineering Corporación Universitaria Comfacauca-Unicomfacauca-
Descrição: dc.description3B’s Research Group I3Bs—Research Institute on Biomaterials Biodegradables and Biomimetics University of Minho, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, Guimarães-
Descrição: dc.descriptionICVS/3B’s—PT Government Associated Laboratory-
Descrição: dc.descriptionSão Paulo State University (UNESP) School of Engineering-
Descrição: dc.descriptionSão Paulo State University (UNESP) School of Engineering and Sciences, São Paulo-
Idioma: dc.languageen-
Relação: dc.relationMaterials-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectbiodegradable biomaterials-
Palavras-chave: dc.subjectbiodegradable metal-
Palavras-chave: dc.subjectsurface modification-
Título: dc.titleCharacterization of Iron Oxide Nanotubes Obtained by Anodic Oxidation for Biomedical Applications—In Vitro Studies-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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