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Introduction
ABBA Lab
Contact us
Member
Professor
Student
Alumni
Research
3D Printing for hard tissue engineering
3D Printing for soft tissue engineering
Fabrication of porous scaffolds
Advanced surface modification
Publication
Journal
Patent
Board
News
Gallery
Lecture
ABBA Lab
Advanced Biomaterials for Biomedical Applications Lab
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Introduction
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> > > In recent years, pure iron (Fe) has attracted significant attention as a promising biodegradable orthopedic implant material due to its excellent mechanical and biological properties. However, in physiological conditions, Fe has an extremely slow degradation rate with localized and irregular degradation, which is problematic for practical applications. In this study, we developed a novel combination of a nanostructured surface topography and galvanic reaction to achieve uniform and accelerated degradation of an Fe implant. The target-ion induced plasma sputtering (TIPS) technique was applied on the Fe implant to introduce biologically compatible and electrochemically noble tantalum (Ta) onto its surface and develop surface nano-galvanic couples. Electrochemical tests revealed that the uniformly distributed nano-galvanic corrosion cells of the TIPS-treated sample (nano Ta–Fe) led to relatively uniform and … > >
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