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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Main Authors: Renan Eduardo Reidel, Sandra Raquel Kunst, Luana Góes Soares, Fernando Dal Ponte Morisso, Ana Luisa Ziulkoski, Eduardo Luís Schneider, Claudia Trindade Oliveira
Format: Article
Language:English
Published: Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol) 2025-04-01
Series:Materials Research
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Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392025000100226&lng=en&tlng=en
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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
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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
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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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