用具有光热性质的基于等离子体的氧化石墨烯涂层的的抗菌评价
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Published on: March 1, 2013
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Lydia Park1, Hee-Seon Kim1, Woohyung Jang1
1Department of Prosthodontics, School of Dentistry, Chonnam National University, 33 Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea.
International journal of molecular sciences
|May 27, 2023
概括
在石表面涂上石墨烯涂层可以增强抗菌光热疗法 (PTT). 这种新的方法显著减少了像Streptococcus mutans和Porphyromonas gingivalis这样的口腔细菌的粘附,提供了有前途的牙科治疗.
科学领域:
- 生物材料工程 生物材料工程
- 牙科材料科学 牙科材料科学
- 纳米技术 纳米技术
背景情况:
- 光热疗法 (PTT) 是一种新兴的抗菌策略.
- 是广泛使用的牙科材料.
- 控制口腔微生物群对于牙健康至关重要.
研究的目的:
- 为增强抗菌光热疗法开发涂上石墨烯的烯表面.
- 为了评估这种复合材料对关键口腔细菌的有效性.
主要方法:
- 用大气压等离子体与Ar/CH4气体混合物涂上石墨烯氧化物.
- 分析了表面特性 (表面形态,化学成分,接触角度).
- 使用水晶紫色试验和活/死染色,量化了Streptococcus mutans和Porphyromonas gingivalis的细菌粘附.
主要成果:
- 涂上石墨烯的石板表现出有利的表面性能.
- 涂层的近红外辐射显著降低了S. mutans和P. gingivalis的附着性.
- 石墨烯的光热效应有助于口腔微生物群的失活.
结论:
- 通过大气压等离子体将石墨烯涂在上,是增强抗菌PTT的可行方法.
- 这种方法显示出减少口腔细菌粘附和感染的巨大潜力.
- 这项研究突出了开发具有抗菌能力的先进牙科材料的有希望的战略.
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