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辅助银纳米颗粒:生物学潜力、合成、表征及生态毒性

-Assisted Silver Nanoparticles: Biological Potential, Synthesis, Characterization, and Ecotoxicity.

作者信息

Tharani Munusamy, Rajeshkumar Shanmugam, Al-Ghanim Khalid A, Nicoletti Marcello, Sachivkina Nadezhda, Govindarajan Marimuthu

机构信息

Nanobiomedicine Lab, Department of Pharmacology, Saveetha Dental College and Hospitals, SIMATS, Saveetha University, Chennai 600 077, Tamil Nadu, India.

Department of Zoology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia.

出版信息

Biomedicines. 2023 May 18;11(5):1472. doi: 10.3390/biomedicines11051472.

Abstract

In the current research, an aqueous extract of fruit was used to produce silver nanoparticles (Ag NPs) in a sustainable manner. UV-visible spectrophotometry, transmission electron microscopy (TEM), and scanning electron microscopy (SEM) were used to characterize the synthesized nanoparticles. Synthesized Ag NPs were detected since their greatest absorption peak was seen at 460 nm. The synthesized Ag NPs were spherical and had an average size of about 50 nm, with agglomerated structures, as shown via SEM and TEM analyses. The biological activities of the synthesized Ag NPs were evaluated in terms of their antibacterial and antioxidant properties, as well as protein leakage and time-kill kinetics assays. The results suggest that the green synthesized Ag NPs possess significant antibacterial and antioxidant activities, making them a promising candidate for therapeutic applications. Furthermore, the study also evaluated the potential toxicological effects of the Ag NPs using zebrafish embryos as a model organism. The findings indicate that the synthesized Ag NPs did not induce any significant toxic effects on zebrafish embryos, further supporting their potential as therapeutic agents. In conclusion, the environmentally friendly production of Ag NPs using the extract from is a promising strategy for discovering novel therapeutic agents with prospective uses in biomedicine.

摘要

在当前研究中,使用水果的水提取物以可持续的方式制备银纳米颗粒(Ag NPs)。采用紫外可见分光光度法、透射电子显微镜(TEM)和扫描电子显微镜(SEM)对合成的纳米颗粒进行表征。由于在460 nm处观察到其最大吸收峰,因此检测到了合成的Ag NPs。通过SEM和TEM分析表明,合成的Ag NPs呈球形,平均尺寸约为50 nm,具有团聚结构。从抗菌和抗氧化性能、蛋白质泄漏及时间杀灭动力学测定等方面对合成的Ag NPs的生物学活性进行了评估。结果表明,绿色合成的Ag NPs具有显著的抗菌和抗氧化活性,使其成为治疗应用的有前景的候选物。此外,该研究还以斑马鱼胚胎为模式生物评估了Ag NPs的潜在毒理学效应。研究结果表明,合成的Ag NPs对斑马鱼胚胎未诱导任何显著的毒性效应,进一步支持了它们作为治疗剂的潜力。总之,利用提取物以环境友好的方式生产Ag NPs是发现具有生物医学潜在用途的新型治疗剂的一种有前景的策略。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31cf/10216392/287a51f6f183/biomedicines-11-01472-g001.jpg

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