开发具有最佳银纳米粒子含量的抗菌原膜,用于牙周再生
Sara Takallu1, Farshad Kakian2, Abdollah Bazargani2
1Department of Medical Nanotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran.
Scientific reports
|March 28, 2024
概括
研究人员开发了使用银纳米粒子 (AgNPs) 的抗菌原膜,用于牙周再生. 2%的AgNP度有效地杀死了细菌,同时对人类细胞保持安全,提供了有前途的GTR治疗.
科学领域:
- 生物材料科学 生物材料科学
- 牙周病学 牙周病学
- 纳米技术 纳米技术
背景情况:
- 牙周炎的治疗需要控制致病细菌并促进组织再生.
- 导向组织再生 (GTR) 膜用于牙周缺陷修复.
- 开发抗菌GTR膜可以增强感染控制和愈合.
研究的目的:
- 为了创建一个结合银纳米粒子 (AgNPs) 在不同的度结合的原膜.
- 优化AgNP含量,以获得有效的抗菌特性来对抗牙周病原体.
- 评估AgNP载荷膜与人类牙纤维细胞的细胞相容性.
主要方法:
- 亚酸减少的AgNP被纳入了0.5%,1%,2%和3%的度的原蛋白.
- 通过压缩和冷干燥,将原蛋白/AgNPs水凝加工成膜.
- 对Fusobacterium nucleatum和Enterococcus faecalis进行了抗菌活性评估;对人类牙纤维细胞的细胞相容性进行了测试.
主要成果:
- 含有2%和3%AgNP的膜显示出显著的抗菌活性.
- 1%的AgNP表现出最小的活性,而0.5%和0%没有显示出抗菌作用.
- 人类牙纤维细胞活力和增殖在3%的AgNP膜上受到损害,但在0%,0.5%,1%和2%的AgNP膜上是有利的.
结论:
- 一种含有2%银纳米颗粒 (AgNPs) 的原膜显示出强大的抗菌功效.
- 这2%的AgNP度保持了与人类牙纤维细胞的良好细胞相容性.
- 2%的AgNP载荷的原膜是牙周再生的有希望的候选者,特别是在GTR应用中.
相关概念视频
Bacterial Signaling
Bacterial signaling can occur within bacteria (intracellular) or between bacteria (intercellular). At times, a group of bacteria behaves like a community. To achieve this, they engage in quorum sensing, the perception of higher cell density that causes changes in gene expression. Quorum sensing involves both extracellular and intracellular signaling. The signaling cascade starts with a molecule called an autoinducer (AI). Individual bacteria produce AIs that move out of the bacterial cell...
Microbial Corrosion
Microbiologically Influenced Corrosion (MIC) is a significant form of material degradation caused by the metabolic activities of microorganisms. This phenomenon poses substantial challenges across various industries, including oil and gas, maritime, and water treatment sectors.MIC occurs when microorganisms, such as bacteria, archaea, and fungi, colonize metal surfaces, forming biofilms that alter the local electrochemical environment. These biofilms can lead to the production of corrosive...
iChip
The cultivation of environmental microorganisms has long been hindered by the inability to replicate complex native conditions in vitro. The isolation chip (iChip) addresses this limitation by facilitating the growth of previously uncultivable microorganisms through in situ incubation. Designed for high-throughput microbial cultivation, the iChip comprises hundreds of microchambers, each capable of housing a single microbial cell. These microchambers are loaded with a mixture of molten agar and...


