Preparation, characterization, and properties of anticoagulation and antibacterial films of carbon-based nanowires fabricated on surfaces of Ti implants

Chiung Fang Haung, Yu Hao Chan, Li Kai Chen, Chung Ming Liu, Wei Chen Huang, Shih Fu Ou, Keng Liang Ou, Duen Jeng Wang

研究成果: 雜誌貢獻文章同行評審

8 引文 斯高帕斯(Scopus)

摘要

Gas mixtures comprising H2:Ar:CH4 at various flow ratios were fed to a microwave plasma system during the preparation of Ti implants to form anticoagulation and antibacterial films composed of carbon-based nanowires (NWs). When the H2-flow ratio was increased, a phase transition (amorphization (α) → (α + quasi-α) → (α + quasi-α + NWs) → (α + quasi-α + NWs + multilayer-like NWs (MLNWs)) → (NWs/MLNWs with nanograins)) was observed within the films formed on Ti during the microwave plasma discharge. In addition to producing a nanostructural film made of NWs, plasma carbonization caused the formation of an NW/nanograin phase that can enhance the hydrophobic and anticoagulation properties. Moreover, antibacterial tests also demonstrated the crucial role played by the hydrophobic films made of NWs in improving the antibacterial performance of the implants. The enhanced anticoagulation and antibacterial properties render the nanostructural films made of NWs as one of the promising materials that can be used in the heart valves, coronary artery stents, and dental implant surgical kits.
原文英語
期刊Journal of the Electrochemical Society
160
發行號6
DOIs
出版狀態已發佈 - 2013

ASJC Scopus subject areas

  • 電化學
  • 電子、光磁材料
  • 材料化學
  • 表面、塗料和薄膜
  • 可再生能源、永續發展與環境
  • 凝聚態物理學

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