Effect of nanostructured MgO directly grown on pure magnesium substrate on its in vitro corrosion and bioactivity behaviour
This study introduces a nanostructured MgO coating fabricated via anodization in a non-aqueous electrolyte, offering a novel approach to addressing the challenges of corrosion resistance and biofunctionality. The surface was characterized before and after immersion testing using field emission scann...
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| Format: | Article |
| Language: | English |
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KeAi Communications Co., Ltd.
2025-06-01
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| Series: | Journal of Magnesium and Alloys |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2213956725001768 |
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| author | Majid Shahsanaei Masoud Atapour Morteza Shamanian Nastaran Farahbakhsh Swathi N.V. Raghu Torsten Kowald Sybille Krauß Seyedsina Hejazi Shiva Mohajernia Manuela S. Killian |
| author_facet | Majid Shahsanaei Masoud Atapour Morteza Shamanian Nastaran Farahbakhsh Swathi N.V. Raghu Torsten Kowald Sybille Krauß Seyedsina Hejazi Shiva Mohajernia Manuela S. Killian |
| author_sort | Majid Shahsanaei |
| collection | DOAJ |
| description | This study introduces a nanostructured MgO coating fabricated via anodization in a non-aqueous electrolyte, offering a novel approach to addressing the challenges of corrosion resistance and biofunctionality. The surface was characterized before and after immersion testing using field emission scanning electron microscopy (FESEM), energy-dispersive X-ray spectroscopy (EDX), and X-ray diffraction (XRD). Electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization tests demonstrated a 2-fold reduction in the corrosion resistance compared to untreated magnesium. Biomineralization studies demonstrated the uniform formation of apatite with a Ca/P ratio of 1.35 on the nanostructured surface after 14 days in simulated body fluid (SBF), surpassing that of microstructured MgO. Hydrogen evolution decreased from 912±38 µL cm-2 for untreated Mg to 615±32 µL cm-2 for the Mg/MgO nanostructure and 545±29 µL cm-2 for the Mg/MgO/HA sample. These findings highlight the potential of nanostructured MgO coatings to advance Mg-based implants by providing enhanced corrosion protection, improved biomineralization, reduced hemolysis and increased cell viability, and reduced H2 generation. |
| format | Article |
| id | doaj-art-ecec206a2b2948ab901b03d77b9fe026 |
| institution | Matheson Library |
| issn | 2213-9567 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | KeAi Communications Co., Ltd. |
| record_format | Article |
| series | Journal of Magnesium and Alloys |
| spelling | doaj-art-ecec206a2b2948ab901b03d77b9fe0262025-07-15T04:16:10ZengKeAi Communications Co., Ltd.Journal of Magnesium and Alloys2213-95672025-06-0113625912605Effect of nanostructured MgO directly grown on pure magnesium substrate on its in vitro corrosion and bioactivity behaviourMajid Shahsanaei0Masoud Atapour1Morteza Shamanian2Nastaran Farahbakhsh3Swathi N.V. Raghu4Torsten Kowald5Sybille Krauß6Seyedsina Hejazi7Shiva Mohajernia8Manuela S. Killian9Chemistry and Structure of novel Materials, Department of Chemistry and Biology, University of Siegen, 57076 Siegen, Germany; Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, IranDepartment of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran; Corresponding authors.Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, IranChemistry and Structure of novel Materials, Department of Chemistry and Biology, University of Siegen, 57076 Siegen, Germany; Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, IranChemistry and Structure of novel Materials, Department of Chemistry and Biology, University of Siegen, 57076 Siegen, GermanyChemistry and Structure of novel Materials, Department of Chemistry and Biology, University of Siegen, 57076 Siegen, GermanyInstitute of Biology (Human Biology/Neurobiology), University of Siegen, 57076 Siegen, GermanyChemistry and Structure of novel Materials, Department of Chemistry and Biology, University of Siegen, 57076 Siegen, Germany; Department of Chemical and Materials Engineering, NRGMATs, University of Alberta, Donadeo Innovation Centre for Engineering, T6G 2H5 Edmonton AB, CanadaDepartment of Chemical and Materials Engineering, NRGMATs, University of Alberta, Donadeo Innovation Centre for Engineering, T6G 2H5 Edmonton AB, CanadaChemistry and Structure of novel Materials, Department of Chemistry and Biology, University of Siegen, 57076 Siegen, Germany; Corresponding authors.This study introduces a nanostructured MgO coating fabricated via anodization in a non-aqueous electrolyte, offering a novel approach to addressing the challenges of corrosion resistance and biofunctionality. The surface was characterized before and after immersion testing using field emission scanning electron microscopy (FESEM), energy-dispersive X-ray spectroscopy (EDX), and X-ray diffraction (XRD). Electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization tests demonstrated a 2-fold reduction in the corrosion resistance compared to untreated magnesium. Biomineralization studies demonstrated the uniform formation of apatite with a Ca/P ratio of 1.35 on the nanostructured surface after 14 days in simulated body fluid (SBF), surpassing that of microstructured MgO. Hydrogen evolution decreased from 912±38 µL cm-2 for untreated Mg to 615±32 µL cm-2 for the Mg/MgO nanostructure and 545±29 µL cm-2 for the Mg/MgO/HA sample. These findings highlight the potential of nanostructured MgO coatings to advance Mg-based implants by providing enhanced corrosion protection, improved biomineralization, reduced hemolysis and increased cell viability, and reduced H2 generation.http://www.sciencedirect.com/science/article/pii/S2213956725001768MgO nanostructureHydrogenBioactivityCorrosionBiomineralization |
| spellingShingle | Majid Shahsanaei Masoud Atapour Morteza Shamanian Nastaran Farahbakhsh Swathi N.V. Raghu Torsten Kowald Sybille Krauß Seyedsina Hejazi Shiva Mohajernia Manuela S. Killian Effect of nanostructured MgO directly grown on pure magnesium substrate on its in vitro corrosion and bioactivity behaviour Journal of Magnesium and Alloys MgO nanostructure Hydrogen Bioactivity Corrosion Biomineralization |
| title | Effect of nanostructured MgO directly grown on pure magnesium substrate on its in vitro corrosion and bioactivity behaviour |
| title_full | Effect of nanostructured MgO directly grown on pure magnesium substrate on its in vitro corrosion and bioactivity behaviour |
| title_fullStr | Effect of nanostructured MgO directly grown on pure magnesium substrate on its in vitro corrosion and bioactivity behaviour |
| title_full_unstemmed | Effect of nanostructured MgO directly grown on pure magnesium substrate on its in vitro corrosion and bioactivity behaviour |
| title_short | Effect of nanostructured MgO directly grown on pure magnesium substrate on its in vitro corrosion and bioactivity behaviour |
| title_sort | effect of nanostructured mgo directly grown on pure magnesium substrate on its in vitro corrosion and bioactivity behaviour |
| topic | MgO nanostructure Hydrogen Bioactivity Corrosion Biomineralization |
| url | http://www.sciencedirect.com/science/article/pii/S2213956725001768 |
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