Rapid synthesis of copper nanoparticles using Nepeta cataria leaves: An eco-friendly management of disease-causing vectors and bacterial pathogens

IF 3.8 4区 工程技术 Q2 CHEMISTRY, MULTIDISCIPLINARY Green Processing and Synthesis Pub Date : 2023-01-01 DOI:10.1515/gps-2023-0022
M. Mani, Aruna Sharmili Sundararaj, K. Al-Ghanim, Shiny Punalur John, K. Elumalai, M. Nicoletti, M. Govindarajan
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引用次数: 1

Abstract

Abstract Insecticides kill mosquitoes but damage other animals including humans. Eco-friendly metal nanoparticles may be a plant-based pesticide for vector control. Here, the copper nanoparticles (Cu NPs) synthesized from Nepeta catarialeaves have been investigated for their antibacterial and larvicidal properties. Fourier transforms infrared spectroscopy demonstrated that biochemicals reduced and stabilized nanoparticles by shifting peaks from 1,049 to 1,492 cm−1, and ultraviolet–visible spectrometry proved that produced Cu NPs had a peak at 550 nm. Transmission electron microscopic and scanning electron microscope showed that the particles are spherical and 23–29 nm in size. X-ray diffraction analysis shows that Cu NPs are crystalline. At a 100 µg·mL−1 concentration, Cu NPs exhibited a higher percentage of inhibition in the order of Escherichia coli ≫ Enterococcus faecalis ≫ Staphylococcus aureus. The lethal concentration (LC50) of the Cu NPs against the larvae of Aedes aegypti, Anopheles stephensi, and Culex quinquefasciatus was determined to be 60.63, 56.58, and 54.32 µg·mL−1, respectively. This ground-breaking study describes the biological production of Cu NPs utilizing N. cataria leaf extract for the first time. Based on these findings, the bio-synthesized Cu NPs and the aqueous extract of N. cataria may provide a potential alternative method for managing these vector populations. Graphical abstract
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利用卡塔叶快速合成铜纳米颗粒:对致病媒介和细菌病原体的环保管理
摘要杀虫剂杀死蚊子,但会伤害包括人类在内的其他动物。环保金属纳米颗粒可能是一种用于病媒控制的植物杀虫剂。本文研究了由荆芥叶合成的铜纳米粒子(Cu-NPs)的抗菌和杀幼虫性能。傅立叶变换红外光谱表明,生物化学物质通过将峰值从1049移动到1492来还原和稳定纳米颗粒 cm−1,紫外-可见光谱法证明产生的Cu NP在550处具有峰值 nm。透射电子显微镜和扫描电子显微镜显示,颗粒为球形,23–29 纳米大小。X射线衍射分析表明Cu NPs是结晶的。在100 μg·mL−1浓度下,Cu NPs表现出更高的抑制率,其顺序为大肠杆菌、粪肠球菌、金黄色葡萄球菌。Cu NPs对埃及伊蚊、斯氏按蚊和致倦库蚊幼虫的致死浓度(LC50)分别为60.63、56.58和54.32 µg·mL−1。这项突破性的研究首次描述了利用卡塔叶提取物生物生产铜纳米粒子。基于这些发现,生物合成的Cu NPs和卡塔菌的水提取物可能为管理这些媒介种群提供一种潜在的替代方法。图形摘要
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来源期刊
Green Processing and Synthesis
Green Processing and Synthesis CHEMISTRY, MULTIDISCIPLINARY-ENGINEERING, CHEMICAL
CiteScore
6.70
自引率
9.30%
发文量
78
审稿时长
7 weeks
期刊介绍: Green Processing and Synthesis is a bimonthly, peer-reviewed journal that provides up-to-date research both on fundamental as well as applied aspects of innovative green process development and chemical synthesis, giving an appropriate share to industrial views. The contributions are cutting edge, high-impact, authoritative, and provide both pros and cons of potential technologies. Green Processing and Synthesis provides a platform for scientists and engineers, especially chemists and chemical engineers, but is also open for interdisciplinary research from other areas such as physics, materials science, or catalysis.
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