Suppr超能文献

载银纳米万古霉素:一种实验潜力分析的抗菌剂。

Vancomycin as an Antibacterial Agent Capped with Silver Nanoparticles: An Experimental Potential Analysis.

机构信息

Luqman College of Pharmacy, Gulbarga, Karnataka, India.

Laboratory Medicine Department, Faculty of Applied Medical Sciences, Umm Al-Qura University, Makkah, Saudi Arabia.

出版信息

Biomed Res Int. 2022 Aug 21;2022:3682757. doi: 10.1155/2022/3682757. eCollection 2022.

Abstract

For the treatment of various infections, a variety of antimicrobial drugs are formulated. Nevertheless, many bacterial infections now exhibit antibiotic resistance due to the widespread utilization antibiotics. Methicillin-resistant among the most dangerous multidrug-resistant bacteria is Staphylococcus aureus (MRSA). Vancomycin became a viable therapy option due to MRSA resistance to methicillin medicines. One of the well-informed antibacterial compounds with wideband antibacterial activity is silver nanoparticles (AgNPs). AgNPs are thus suitable candidates for usage in conjunction alongside vancomycin to increase its antibacterial effect. The goal of the present research work is to boost the antibacterial potency of the glycopeptide antibiotic vancomycin towards Gram-positive (Staphylococcus aureus) but also Gram-negative (Escherichia coli) bacteria. The chemical reduction approach is used to create a colloidal solution of silver nanoparticles utilizing silver nitrate as a precursor in the environment of the ionic surfactant trisodium citrate that serves as covering including reducing reagent. Vancomycin was used to functionalize the synthesized nanoparticles and create the nanodrug complex (Van@AgNPs). The synergistic antibacterial potential of silver nanoparticles coated with vancomycin on both test pathogens was investigated using the agar well diffusion technique. The antibacterial potency for both classes of bacteria has significantly increased, according to the well diffusion test. It has been noted that this improvement is synergistic instead of additive.

摘要

为了治疗各种感染,研制了各种抗菌药物。然而,由于抗生素的广泛使用,许多细菌感染现在表现出了抗生素耐药性。耐甲氧西林金黄色葡萄球菌(MRSA)是最危险的多药耐药细菌之一。由于耐甲氧西林药物的金黄色葡萄球菌对万古霉素产生了耐药性,万古霉素成为了一种可行的治疗选择。银纳米粒子(AgNPs)是一种具有广谱抗菌活性的抗菌化合物,因此非常适合与万古霉素联合使用,以增强其抗菌效果。本研究工作的目的是增强糖肽类抗生素万古霉素对革兰氏阳性(金黄色葡萄球菌)和革兰氏阴性(大肠杆菌)细菌的抗菌效力。采用化学还原法,以硝酸银为前驱体,在离子表面活性剂柠檬酸钠的环境中制备银纳米粒子的胶体溶液,作为包括还原试剂的覆盖物。利用万古霉素对合成的纳米粒子进行功能化,制备纳米药物复合物(Van@AgNPs)。采用琼脂孔扩散技术研究了万古霉素修饰的银纳米粒子对两种试验病原体的协同抗菌潜力。根据孔扩散试验,两种细菌的抗菌效力都显著提高。据指出,这种提高是协同的,而不是累加的。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e7c7/9420617/cb48aff82ec7/BMRI2022-3682757.001.jpg

文献检索

告别复杂PubMed语法,用中文像聊天一样搜索,搜遍4000万医学文献。AI智能推荐,让科研检索更轻松。

立即免费搜索

文件翻译

保留排版,准确专业,支持PDF/Word/PPT等文件格式,支持 12+语言互译。

免费翻译文档

深度研究

AI帮你快速写综述,25分钟生成高质量综述,智能提取关键信息,辅助科研写作。

立即免费体验