A study on the larvicidal and adulticidal potential of Cladostepus spongiosus macroalgae and green-fabricated silver nanoparticles against mosquito vectors

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-2023-0047

A. Aziz

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Abstract

Abstract Mosquito vectors in the present universe cause a major problem due to the transmission of pathogens with high morbidity. The present research aimed to explore the larvicidal and adulticidal toxicity of the Cladostepus spongiosus extract and its fabricated AgNPs on key mosquito vectors. The synthesized AgNPs were confirmed by UV-Vis spectroscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy, Fourier transform infrared spectrophotometry, and X-ray diffraction analysis. In the mosquitocidal assay, the C. spongiosus extract has shown good larvicidal mortality against Aedes aegypti (88.9%), Anopheles stephensi (84.1%), and Culex. quinquefasciatus (81.6%). Further, adulticidal mortality percentages were 78.8%, 75.4%, and 67.6% against An. stephensi, Ae. Aegypti, and Cx. quinquefasciatus at 1,000 ppm. AgNPs revealed larvicidal mortality percentages of 94.8% against An. stephensi, 92.8% against Ae. Aegypti, and 90.6% against Cx. quinquefasciatus; the adulticidal potential was also revealed to be higher against An. stephensi (89.4%) followed by Ae. aegypti (86.8%) and Cx. quinquefasciatus (83.2%). Comparing the results achieved from the C. spongiosus extract and its derived AgNPs, promising activity was attained against key mosquito vectors at a minimal dose of 70 ppm of AgNPs. Thus, C. spongiosus-mediated AgNPs can be an alternative tool in controlling key mosquito vectors.

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大型海绵状枝藻和绿色纳米银对蚊媒的杀幼虫和杀成虫潜能研究

摘要当今世界的蚊子媒介由于高发病率病原体的传播而引起了一个重大问题。本研究旨在探讨海绵枝虫提取物及其制备的AgNPs对主要蚊媒的杀幼虫和杀成虫毒性。通过UV-Vis光谱、透射电子显微镜、能量色散X射线光谱、傅立叶变换红外光谱和X射线衍射分析证实了合成的AgNPs。在杀蚊试验中，海绵线虫提取物对埃及伊蚊（88.9%）、斯氏按蚊（84.1%）和库蚊表现出良好的杀幼虫死亡率。此外，对斯氏安、埃及伊蚊和Cx.致倦库蚊的致死率分别为78.8%、75.4%和67.6% ppm。AgNPs对斯氏安、埃及伊蚊和致倦库蚊的杀幼虫率分别为94.8%、92.8%和90.6%；对斯氏安（89.4%）、埃及伊蚊（86.8%）和致倦库蚊（83.2% AgNPs的ppm。因此，C.spongiosus介导的AgNPs可以成为控制关键蚊子媒介的替代工具。

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来源期刊

Green Processing and Synthesis CHEMISTRY, MULTIDISCIPLINARY-ENGINEERING, CHEMICAL

CiteScore

6.70

自引率

9.30%

发文量

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.