Rapid biosynthesis of silver nanoparticles using Crotalaria verrucosa leaves against the dengue vector Aedes aegypti: What happens around? An analysis of dragonfly predatory behaviour after exposure at ultra-low doses

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題名:	Rapid biosynthesis of silver nanoparticles using Crotalaria verrucosa leaves against the dengue vector Aedes aegypti: What happens around? An analysis of dragonfly predatory behaviour after exposure at ultra-low doses
作者:	樋口亞紺;Murugan, Kadarkarai;Sanoopa, C. P;Madhiyazhagan, Pari;Dinesh, Devakumar;Subramaniam, Jayapal;Panneerselvam, Chellasamy;Roni, Mathath;Suresh, Udaiyan;Nicoletti, Marcello;Alarfaj, Abdullah A;Munusamy, Murugan A;Higuchi, Akon;Kumar, Suresh;Perumalsamy, Haribalan;Ahn, Young-Joon;Benelli, Giovanni
貢獻者:	工學院化學工程與材料工程學系
關鍵詞:	Aedes;Aedes aegypti;Animals;Anisoptera (Odonata);aquatic environment;Arbovirus;biosynthesis;Brachydiplax sobrina;Crotalaria;Crotalaria - chemistry;dengue;Disease Vectors;EDX;energy-dispersive X-ray analysis;Fourier transform infrared spectroscopy;FTIR;green synthesis;Insecticides - chemistry;instars;Larva;larvae;leaf extracts;leaves;Metal Nanoparticles - chemistry;Mosquito Control;nanobiotechnologies;nanosilver;nymphs;Odonata - physiology;people;Plant Extracts - chemistry;Plant Leaves - chemistry;predation;Predatory Behavior;Pupa;pupae;scanning electron microscopy;SEM;Silver - chemistry;toxicity
日期:	2016-04-02
上傳時間:	2026-04-21 14:50:52 (UTC+8)
出版者:	Taylor and Francis Ltd.;England: Taylor & Francis
摘要:	摘要： Aedes aegypti is a primary vector of dengue, a mosquito-borne viral disease infecting 50–100 million people every year. Here, we biosynthesised mosquitocidal silver nanoparticles (AgNP) using the aqueous leaf extract of Crotalaria verrucosa. The green synthesis of AgNP was studied by UV–vis spectroscopy, SEM, EDX and FTIR. C. verrucosa -synthesised AgNPs were toxic against A. aegypti larvae and pupae. LC ₅₀ of AgNP ranged from 3.496 ppm (I instar larvae) to 17.700 ppm (pupae). Furthermore, we evaluated the predatory efficiency of dragonfly nymphs, Brachydiplax sobrina , against II and III instar larvae of A. aegypti in an aquatic environment contaminated with ultra-low doses of AgNP. Under standard laboratory conditions, predation after 24 h was 87.5% (II) and 54.7% (III). In an AgNP-contaminated environment, predation was 91 and 75.5%, respectively. Overall, C. verrucosa -synthesised AgNP could be employed at ultra-low doses to reduce larval population of dengue vectors enhancing predation rates of dragonfly nymphs. 其他題名： Nat Prod Res 出版者： England: Taylor & Francis 出版日期： 2016-04-02 出處： Natural product research, 2016-04, Vol.30 (7), p.826-833 版權： 2015 Taylor & Francis 2015 識別號： ISSN: 1478-6427 識別號： ISSN: 1478-6419 識別號： EISSN: 1478-6427 識別號： DOI: 10.1080/14786419.2015.1074230 識別號： PMID: 26284510
顯示於類別:	[化學工程與材料工程學系 ] 期刊論文

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