Effects of Adding Silver Oxide Nanoparticles to Anodized Titanium Surfaces
The present study aimed to analyze the effects of the anodization process and addition of silver nanoparticles by sealing process on corrosion resistance and biofilm formation in titanium. For this purpose, CP grade 2 titanium samples were pickled and anodized in Psidium Guajava-based electrolyte, i...
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| Format: | Article |
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Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol)
2025-04-01
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| Series: | Materials Research |
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| author | Renan Eduardo Reidel Sandra Raquel Kunst Luana Góes Soares Fernando Dal Ponte Morisso Ana Luisa Ziulkoski Eduardo Luís Schneider Claudia Trindade Oliveira |
| author_facet | Renan Eduardo Reidel Sandra Raquel Kunst Luana Góes Soares Fernando Dal Ponte Morisso Ana Luisa Ziulkoski Eduardo Luís Schneider Claudia Trindade Oliveira |
| author_sort | Renan Eduardo Reidel |
| collection | DOAJ |
| description | The present study aimed to analyze the effects of the anodization process and addition of silver nanoparticles by sealing process on corrosion resistance and biofilm formation in titanium. For this purpose, CP grade 2 titanium samples were pickled and anodized in Psidium Guajava-based electrolyte, in galvanostatic mode with the application of 0.1 mA/cm2 for 300 s. For the incorporation of silver nanoparticles, the sealing process was used. The sealing of the anodized samples was performed in sodium carbonate solution without and with the addition of 0.25, 0.5, 1 and 2 mM AgNO3, for 30 minutes at a temperature of 75 ºC. The samples were characterized regarding their morphology by Scanning Electron Microscopy (SEM), Energy-Dispersive X-ray Spectroscopy (EDS) and atomic force microscopy (AFM), corrosion resistance by potentiodynamic polarization, and bactericidal action by optical density microtiteration. The anodizing process resulted in the formation of an oxide layer (TiO2), with greater surface roughness and better anticorrosive performance, compared to pure titanium. The sealing process proved to be effective for incorporating silver into the anodized titanium surface, at all concentrations evaluated, inhibiting the proliferation of Escherichia coli and Staphylococcus aureus bacteria, favoring the bactericidal effect. |
| format | Article |
| id | doaj-art-a5b9dac0c66d442fb1e226b457ebd059 |
| institution | OA Journals |
| issn | 1516-1439 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol) |
| record_format | Article |
| series | Materials Research |
| spelling | doaj-art-a5b9dac0c66d442fb1e226b457ebd0592025-08-20T02:08:40ZengAssociação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol)Materials Research1516-14392025-04-012810.1590/1980-5373-mr-2024-0546Effects of Adding Silver Oxide Nanoparticles to Anodized Titanium SurfacesRenan Eduardo Reidelhttps://orcid.org/0009-0000-7276-3371Sandra Raquel Kunsthttps://orcid.org/0000-0002-8060-3981Luana Góes Soareshttps://orcid.org/0000-0001-8663-4968Fernando Dal Ponte Morissohttps://orcid.org/0000-0002-9653-9857Ana Luisa Ziulkoskihttps://orcid.org/0000-0003-0850-4003Eduardo Luís Schneiderhttps://orcid.org/0000-0002-3938-2662Claudia Trindade Oliveirahttps://orcid.org/0000-0002-4472-5359The present study aimed to analyze the effects of the anodization process and addition of silver nanoparticles by sealing process on corrosion resistance and biofilm formation in titanium. For this purpose, CP grade 2 titanium samples were pickled and anodized in Psidium Guajava-based electrolyte, in galvanostatic mode with the application of 0.1 mA/cm2 for 300 s. For the incorporation of silver nanoparticles, the sealing process was used. The sealing of the anodized samples was performed in sodium carbonate solution without and with the addition of 0.25, 0.5, 1 and 2 mM AgNO3, for 30 minutes at a temperature of 75 ºC. The samples were characterized regarding their morphology by Scanning Electron Microscopy (SEM), Energy-Dispersive X-ray Spectroscopy (EDS) and atomic force microscopy (AFM), corrosion resistance by potentiodynamic polarization, and bactericidal action by optical density microtiteration. The anodizing process resulted in the formation of an oxide layer (TiO2), with greater surface roughness and better anticorrosive performance, compared to pure titanium. The sealing process proved to be effective for incorporating silver into the anodized titanium surface, at all concentrations evaluated, inhibiting the proliferation of Escherichia coli and Staphylococcus aureus bacteria, favoring the bactericidal effect.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392025000100226&lng=en&tlng=enTitaniumSilver Oxide NanoparticlesAnodizationEscherichia coli |
| spellingShingle | Renan Eduardo Reidel Sandra Raquel Kunst Luana Góes Soares Fernando Dal Ponte Morisso Ana Luisa Ziulkoski Eduardo Luís Schneider Claudia Trindade Oliveira Effects of Adding Silver Oxide Nanoparticles to Anodized Titanium Surfaces Materials Research Titanium Silver Oxide Nanoparticles Anodization Escherichia coli |
| title | Effects of Adding Silver Oxide Nanoparticles to Anodized Titanium Surfaces |
| title_full | Effects of Adding Silver Oxide Nanoparticles to Anodized Titanium Surfaces |
| title_fullStr | Effects of Adding Silver Oxide Nanoparticles to Anodized Titanium Surfaces |
| title_full_unstemmed | Effects of Adding Silver Oxide Nanoparticles to Anodized Titanium Surfaces |
| title_short | Effects of Adding Silver Oxide Nanoparticles to Anodized Titanium Surfaces |
| title_sort | effects of adding silver oxide nanoparticles to anodized titanium surfaces |
| topic | Titanium Silver Oxide Nanoparticles Anodization Escherichia coli |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392025000100226&lng=en&tlng=en |
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