结合机制和表面增强的拉曼散射的抗菌素硫法醇在金纳米颗粒上的结合机制和表面增强的拉曼散射
Tran Ni Kha1, Nguyen Thanh Si1,2, Van Man Tran3
1Department of Chemistry, Can Tho University, Can Tho City 90000, Vietnam.
ACS omega
|November 29, 2023
概括
这项研究揭示了抗生素硫法醇如何使用SERS和量子计算与金纳米粒子结合. 无质子化药物形式表现出更高的亲和力,通过表面增强的拉曼散射信号进行敏感检测.
科学领域:
- 物理化学 物理化学
- 计算化学计算化学
- 材料科学 材料科学 材料科学
背景情况:
- 硫法醇是一种重要的抗生素.
- 了解药物-纳米粒子相互作用对于开发新的药物输送系统至关重要.
- 表面增强拉曼散射 (SERS) 是一种用于分子检测的强大技术.
研究的目的:
- 为了阐明硫酸硫醇在黄金纳米颗粒上的吸附行为.
- 用计算和实验方法研究结合机制.
- 探索SERS在硫法醇检测方面的潜力.
主要方法:
- 表面增强的拉曼散射 (SERS) 技术.
- 使用密度函数理论 (DFT) 与PBE函数进行量子化学计算.
- 使用四面体Au20集群建模金纳米粒子.
- 在气相和水相中进行模拟.
主要成果:
- 硫法醇通过 thiazole 环的原子与金纳米颗粒结合.
- 相互作用是通过环-表面 π 合稳定,而不是侧向吸附.
- 脱硫酸对水溶液中的金纳米颗粒具有显著更大的亲和力.
- 药物吸附改变了黄金集群的能量差距,可能导致电噪声.
- 低于1600厘米-1的SERS信号表明存在硫法醇.
结论:
- 这项研究提供了对黄金纳米颗粒上的硫酸吸附的详细了解.
- 这些发现表明,SERS可以有效地用于硫法醇的微量定性和定量分析.
- 阐明的相互作用机制可以为目标药物输送系统的设计提供信息.
更多相关视频
08:19Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles
Published on: March 2, 2016
18.3K
10:02Quantitative SERS Detection of Uric Acid via Formation of Precise Plasmonic Nanojunctions within Aggregates of Gold Nanoparticles and Cucurbit[n]uril
Published on: October 3, 2020
3.9K
相关概念视频
Antimicrobial Effectiveness
The effectiveness of antimicrobial agents depends on various factors influencing their ability to eliminate microbial populations. Larger microbial populations require more time for complete eradication, emphasizing the importance of population size analysis when evaluating antimicrobial efficacy.Microbial resistance to antimicrobial agents varies significantly. Highly resilient microorganisms include endospores, gram-negative bacteria, and non-enveloped viruses, while prions are exceptionally...
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...
