化和化添加的菌素修饰碳点和它们的应用作为金黄色葡萄球菌 (Staphylococcus aureus) 探针
Reza Tabaraki1, Fereshteh Nazari1
1Department of Chemistry, Faculty of Science, Ilam University, Ilam, Iran.
Analytica chimica acta
|June 2, 2023
概括
用和添加的碳点 (N,Cl-CD) 已被开发用于检测金黄色葡萄球菌 (S. aureus) 细菌. 这种新型探测器提供了一种快速,灵敏和方便的细菌检测方法.
科学领域:
- 纳米材料科学 科学 纳米材料科学
- 生物技术是生物技术.
- 分析化学 分析化学
背景情况:
- 碳点 (CD) 是多功能纳米材料,具有独特的光学和电子特性.
- 开发敏感和快速的检测方法,对细菌病原体,如金黄色葡萄球菌 (金黄色葡萄球菌) (S. aureus) 对于公共卫生至关重要.
- 深度环氧溶剂 (DES) 为纳米材料合成提供了绿色和高效的介质.
研究的目的:
- 通过微波辅助方法在胆化-甘深溶解剂 (DES) 中合成和表征和添加的碳点 (N,Cl-CDs).
- 为了使N,Cl-CDs与万科米辛功能化,用于特定检测金黄色葡萄球菌 (S. aureus).
- 为了评估康胺修饰的N,Cl-CDs细菌检测探针的性能,包括其灵敏度,线性范围和方便性.
主要方法:
- 在DES中微波辅助合成N,Cl-CDs.
- 用vancomycin进行N,Cl-CDs的表面修饰.
- 使用传输电子显微镜 (TEM),X射线光子光谱 (XPS),光发光谱,FT-IR光谱,能量分散X射线光谱 (EDXS) 和泽塔电位测量进行表征.
- 细菌检测试验用于S. aureus的量化.
主要成果:
- 成功合成了具有很好的水分散性,粒子大小为2-3纳米,量子产量为38.75%的N,Cl-CDs.
- 在度范围为10^2-10^7 CFU/mL的范围内,证明了范科米辛修饰的N,Cl-CDs对检测金黄色菌的有效性.
- 达到了S. aureus.的10^1 CFU/mL的低检测极限.
- 鉴定证实了碳点的成功兴奋剂和表面修饰.
结论:
- 修改了万科米辛的N,Cl-CDs探针提供了一种高度敏感和特定的方法来检测金黄色细菌.
- 与现有方法相比,开发的探头提供了诸如速度,宽线性范围和方便等优势.
- 这种基于N,Cl-CDs的生物传感器具有快速细菌诊断的巨大潜力.
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