研究分子相互作用,光学和结构性质通过绿色合成氧化物纳米颗粒从Hibiscus sabdarriffal:生物物理的生物相容性
Ali Bahari1, Saad I Esmail1, Ashraf M Alattar2
1Department of Physics, Faculty of Science, University of Mazandaran, Babolsar, Iran.
Journal of medical physics
|February 10, 2025
概括
绿色合成使用Hibiscus sabdariffa产生氧化纳米粒子 (NP). 这些氧化NP显示出显著的抗菌活性,特别是针对Klebsiella spp.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术 纳米技术
- 生物技术是生物技术.
背景情况:
- 绿色合成为生产金属纳米晶体提供了一种具有成本效益的方法.
- 对于可持续的纳米材料生产,自然资源是丰富的.
- 研究纳米材料的抗菌性质对于人类健康至关重要.
研究的目的:
- 使用Hibiscus sabdariffa生物合成氧化纳米粒子 (NP).
- 描述合成的NP的纳米结构和抗菌特性.
- 为了评估氧化NP对病原性细菌的疗效.
主要方法:
- 使用Hibiscus sabdariffa提取物进行氧化NP的生物合成.
- 使用成像显微镜,SEM,UV-VIS,TEM,AFM和XRD进行表征.
- 对四种致病性细菌菌株进行抗菌检测.
主要成果:
- 氧化NP表现出一个纳米晶体立方旋转结构.
- XRD数据证实了一个 (311) 平面在2 θ = 38.351.1.
- 紫外线-VIS光谱显示了在272nm处的等离子体共振峰值.
- 生物合成的NP证明了对克莱布西拉菌种类的高疗效.
结论:
- 通过绿色化学合成的氧化NP显示出强大的抗菌特性.
- 这项研究强调了Hibiscus sabdariffa衍生的氧化NP作为抗菌剂的潜力.
- 进一步的研究可以探索它们在打击细菌感染中的应用.
相关概念视频
02:35Noncovalent Attractions in Biomolecules
Noncovalent attractions are associations within and between molecules that influence the shape and structural stability of complexes. These interactions differ from covalent bonding in that they do not involve sharing of electrons.
Four types of noncovalent interactions are hydrogen bonds, van der Waals forces, ionic bonds, and hydrophobic interactions.
Hydrogen bonding results from the electrostatic attraction of a hydrogen atom covalently bonded to a strong-electronegative atom like oxygen,...
Four types of noncovalent interactions are hydrogen bonds, van der Waals forces, ionic bonds, and hydrophobic interactions.
Hydrogen bonding results from the electrostatic attraction of a hydrogen atom covalently bonded to a strong-electronegative atom like oxygen,...
02:21Globular and Fibrous Proteins
Many proteins can be classified into two distinct subtypes - globular or fibrous. These two types differ in their shapes and solubilities.
Globular proteins are also known as spheroproteins and typically are approximately round in shape. They contain a mix of amino acid types and contain differing sequences in their primary structures. Globular proteins have many different functions, such as enzymes, cellular messengers, and molecular transporters. These roles often require the proteins to be...
Globular proteins are also known as spheroproteins and typically are approximately round in shape. They contain a mix of amino acid types and contain differing sequences in their primary structures. Globular proteins have many different functions, such as enzymes, cellular messengers, and molecular transporters. These roles often require the proteins to be...
02:35Noncovalent Attractions in Biomolecules
Noncovalent attractions are associations within and between molecules that influence the shape and structural stability of complexes. These interactions differ from covalent bonding in that they do not involve sharing of electrons.
Four types of noncovalent interactions are hydrogen bonds, van der Waals forces, ionic bonds, and hydrophobic interactions.
Hydrogen bonding results from the electrostatic attraction of a hydrogen atom covalently bonded to a strong-electronegative atom like oxygen,...
Four types of noncovalent interactions are hydrogen bonds, van der Waals forces, ionic bonds, and hydrophobic interactions.
Hydrogen bonding results from the electrostatic attraction of a hydrogen atom covalently bonded to a strong-electronegative atom like oxygen,...
01:26Variables Affecting Phosphorescence and Fluorescence
Fluorescence and phosphorescence are essential phenomena in fields like analytical chemistry, biological imaging, and materials science, where they detect molecular properties and visualize cellular structures. Understanding the variables that influence these luminescent behaviors is crucial for maximizing accuracy and efficiency in their applications. These variables can broadly be grouped into chemical structure, solvent properties, and external conditions, each playing a distinct role in...