Department of Environmental Sciences, COMSATS Institute of Information Technology, Vehari 61100, Pakistan; National Fundamental Research Laboratory of New Hazardous Chemicals Assessment & Accident Analysis, Institute of Applied Electrochemistry, Beijing University of Chemical Technology, Beijing 100029, China.
The Research Center for Medical Genomics, College of Basic Medical Science, China Medical University, Shenyang 110122, China.
J Photochem Photobiol B. 2018 Mar;180:208-217. doi: 10.1016/j.jphotobiol.2018.02.015. Epub 2018 Feb 13.
The drug resistant bacteria and textile contaminations of water cause different sever health problem throughout the world. To overcome this issue, new environmental benign materials and methods are needed. Plant metabolites directed synthesis of nanoparticles is considered eco-friendly and easy in synthesis. Therefore, it was explicit for the synthesis of AgNPs. The prepared AgNPs were evaluated for antibacterial, antioxidant, photo-catalytic and electrochemical degradation properties as well as toxicity of degradation products on aquatic life. X-Ray Photoelectron Spectroscopy (XPS) has been used for analyzing the surface chemistry of prepared AgNPs. The particle size determines the interaction of nanoparticles with pathogens. Both Gram positive and negative bacteria (Escherichia coli and Staphylococcus areous) are used to determine the anti-microbial potency of the green synthesized AgNPs. The synthesized silver nanoparticles showed significant anti-bacterial applications against B. subtilus and S. aureus. The anti-oxidant applications of AgNPs also studied on comparison with vitamin C. The toxicity of the phenolic Azo dyes (PDA) has been studied against Fish, Daphnia and Green Algae. The electrode potential was studied in the electrochemical redox reaction of hydroxy phenol in aqueous media. Simple electrolyte was used to determine the current efficiency. For the stability of electrode multi cyclic voltammetry was also studied during redox reaction, which showed stability under the potential 0.4 to 0.2 V.
耐药细菌和纺织品对水的污染在全球范围内造成了不同程度的严重健康问题。为了解决这个问题,需要新的环境友好型材料和方法。植物代谢物导向的纳米粒子合成被认为是环保且易于合成的。因此,它被明确用于合成 AgNPs。所制备的 AgNPs 的抗菌、抗氧化、光催化和电化学降解性能以及对水生生物的降解产物的毒性进行了评估。X 射线光电子能谱 (XPS) 用于分析所制备的 AgNPs 的表面化学。粒径决定了纳米粒子与病原体的相互作用。革兰氏阳性和阴性菌(大肠杆菌和金黄色葡萄球菌)都被用来确定绿色合成的 AgNPs 的抗菌效力。合成的银纳米粒子对枯草芽孢杆菌和金黄色葡萄球菌表现出显著的抗菌应用。AgNPs 的抗氧化应用也与维生素 C 进行了比较研究。对酚偶氮染料 (PDA) 的毒性进行了研究,以评估其对鱼类、水蚤和绿藻的影响。在水介质中羟基苯酚的电化学氧化还原反应中研究了电极电位。简单的电解质用于确定电流效率。为了研究电极的稳定性,还在氧化还原反应中进行了多循环伏安法研究,结果表明在 0.4 到 0.2 V 的电位下具有稳定性。
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