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Influence of anodization conditions in hydrofluoric acid electrolyte on the optimization of TiO₂ nanotube surfaces.

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Title: Influence of anodization conditions in hydrofluoric acid electrolyte on the optimization of TiO₂ nanotube surfaces.
Authors: Sandoval-Amador, A.1 (AUTHOR) aasandoval@uloyola.es, Niño, J.2 (AUTHOR), Lopez-Rincon, J. F.3 (AUTHOR), Carreño-Garcia, H.4 (AUTHOR), Escobar-Rivero, P.4 (AUTHOR), Estupiñan Duran, H. A.5 (AUTHOR), Peña-Ballesteros, D. Y.3 (AUTHOR), Endrino, J. L.1 (AUTHOR)
Source: Applied Physics A: Materials Science & Processing. Aug2025, Vol. 131 Issue 8, p1-10. 10p.
Subjects: Titanium oxide nanotubes, Biocompatibility, Wetting, Corrosion resistance, Electrochemical analysis, Morphology, Anodic oxidation of metals, Medical innovations
Abstract: This study investigates the impact of anodization parameters (specifically, applied voltage, anodization time, and HF concentration) on the morphology, electrochemical response, and biocompatibility of TiO₂ nanotubes formed on Ti6Al4V alloy. Different surface morphological features of amorphous-crystalline nanotubular structures were obtained by varying the anodization conditions. Surfaces with more ordered nanotubular structures showed higher corrosion resistance and greater cell adhesion, which are critical properties for biomedical applications. Among the morphological features obtained, larger nanotube diameters were correlated with higher hydrophilicity, which projects this type of coating towards the possibility of achieving higher protein adsorption and osteoblast adhesion capacity. Pearson correlation analysis revealed a strong positive effect between anodizing voltage and corrosion current density, with cell adhesion, observing a marked balance between these critical properties. Among the samples with nanotubular structures, those that were anodized at lower voltages and longer times showed higher corrosion resistance without significantly compromising biocompatibility. Furthermore, according to surface wettability analysis, larger nanotube diameters presented greater hydrophilicity, which is related to the possibility of improving extracellular matrix formation and cell interaction in the bone regeneration process. These findings highlight the importance of optimizing anodizing parameters to balance corrosion resistance and biocompatibility on TiO₂ nanotube surfaces, contributing to the continued development of titanium-based implants with improved performance in biomedical applications. [ABSTRACT FROM AUTHOR]
Copyright of Applied Physics A: Materials Science & Processing is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 187386186
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PubTypeId: academicJournal
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  Data: Influence of anodization conditions in hydrofluoric acid electrolyte on the optimization of TiO₂ nanotube surfaces.
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  Data: <searchLink fieldCode="AR" term="%22Sandoval-Amador%2C+A%2E%22">Sandoval-Amador, A.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> aasandoval@uloyola.es</i><br /><searchLink fieldCode="AR" term="%22Niño%2C+J%2E%22">Niño, J.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lopez-Rincon%2C+J%2E+F%2E%22">Lopez-Rincon, J. F.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Carreño-Garcia%2C+H%2E%22">Carreño-Garcia, H.</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Escobar-Rivero%2C+P%2E%22">Escobar-Rivero, P.</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Estupiñan+Duran%2C+H%2E+A%2E%22">Estupiñan Duran, H. A.</searchLink><relatesTo>5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Peña-Ballesteros%2C+D%2E+Y%2E%22">Peña-Ballesteros, D. Y.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Endrino%2C+J%2E+L%2E%22">Endrino, J. L.</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Applied+Physics+A%3A+Materials+Science+%26+Processing%22">Applied Physics A: Materials Science & Processing</searchLink>. Aug2025, Vol. 131 Issue 8, p1-10. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Titanium+oxide+nanotubes%22">Titanium oxide nanotubes</searchLink><br /><searchLink fieldCode="DE" term="%22Biocompatibility%22">Biocompatibility</searchLink><br /><searchLink fieldCode="DE" term="%22Wetting%22">Wetting</searchLink><br /><searchLink fieldCode="DE" term="%22Corrosion+resistance%22">Corrosion resistance</searchLink><br /><searchLink fieldCode="DE" term="%22Electrochemical+analysis%22">Electrochemical analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Morphology%22">Morphology</searchLink><br /><searchLink fieldCode="DE" term="%22Anodic+oxidation+of+metals%22">Anodic oxidation of metals</searchLink><br /><searchLink fieldCode="DE" term="%22Medical+innovations%22">Medical innovations</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: This study investigates the impact of anodization parameters (specifically, applied voltage, anodization time, and HF concentration) on the morphology, electrochemical response, and biocompatibility of TiO₂ nanotubes formed on Ti6Al4V alloy. Different surface morphological features of amorphous-crystalline nanotubular structures were obtained by varying the anodization conditions. Surfaces with more ordered nanotubular structures showed higher corrosion resistance and greater cell adhesion, which are critical properties for biomedical applications. Among the morphological features obtained, larger nanotube diameters were correlated with higher hydrophilicity, which projects this type of coating towards the possibility of achieving higher protein adsorption and osteoblast adhesion capacity. Pearson correlation analysis revealed a strong positive effect between anodizing voltage and corrosion current density, with cell adhesion, observing a marked balance between these critical properties. Among the samples with nanotubular structures, those that were anodized at lower voltages and longer times showed higher corrosion resistance without significantly compromising biocompatibility. Furthermore, according to surface wettability analysis, larger nanotube diameters presented greater hydrophilicity, which is related to the possibility of improving extracellular matrix formation and cell interaction in the bone regeneration process. These findings highlight the importance of optimizing anodizing parameters to balance corrosion resistance and biocompatibility on TiO₂ nanotube surfaces, contributing to the continued development of titanium-based implants with improved performance in biomedical applications. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Applied Physics A: Materials Science & Processing is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s00339-025-08743-0
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        Type: general
      – SubjectFull: Biocompatibility
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      – SubjectFull: Wetting
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      – SubjectFull: Anodic oxidation of metals
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              Text: Aug2025
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