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Metallic glass thin films for potential biomedical applications
Neelam Kaushik1, Parmanand Sharma, Samad Ahadian
1WPI-Advanced Institute for Materials Research (WPI-AIMR), Tohoku University, Sendai, 980-8577, Japan.
Summary
Titanium-Copper-Nickel (TiCuNi) metallic glass thin films show excellent biocompatibility and mechanical properties for biomedical uses. These films are non-cytotoxic and support cell proliferation, making them promising for medical devices.
Area of Science:
- Materials Science
- Biomedical Engineering
- Nanotechnology
Background:
- Biocompatible materials are crucial for advanced biomedical applications.
- Metallic glasses offer unique mechanical and surface properties.
- Developing novel materials for implants and devices is an ongoing challenge.
Purpose of the Study:
- To investigate the potential of Titanium-Copper-Nickel (TiCuNi) metallic glass thin films as biocompatible materials.
- To characterize the structural, surface, and mechanical properties of TiCuNi films.
- To evaluate the in vitro biocompatibility of TiCuNi films using muscle cells.
Main Methods:
- Deposition of TiCuNi metallic glass thin films on silicon substrates.
- Characterization of film properties using surface analysis techniques.
- Assessment of cell viability and proliferation (cytotoxicity testing) on the fabricated films.
Main Results:
- TiCuNi films exhibited an average roughness of <0.2 nm.
- High mechanical properties were observed, with hardness ~6.9 GPa and reduced modulus ~130 GPa.
- The films demonstrated excellent biocompatibility, with no cytotoxicity and good proliferation of C2C12 myoblasts.
Conclusions:
- The TiCuNi metallic glass thin films possess favorable structural, surface, and mechanical characteristics for biomedical applications.
- The titanium oxide surface layer contributes to the high surface biocompatibility.
- TiCuNi films are a promising, cost-effective material for various biomedical applications due to their unique properties and processability.
