Characterization and biotoxicity of Hypnea musciformis-synthesized silver nanoparticles as potential eco-friendly control tool against Aedes aegypti and Plutella xylostella

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Title:	Characterization and biotoxicity of Hypnea musciformis-synthesized silver nanoparticles as potential eco-friendly control tool against Aedes aegypti and Plutella xylostella
Authors:	樋口亞紺;Roni, Mathath;Murugan, Kadarkarai;Panneerselvam, Chellasamy;Subramaniam, Jayapal;Nicoletti, Marcello;Madhiyazhagan, Pari;Dinesh, Devakumar;Suresh, Udaiyan;Khater, Hanem F.;Wei, Hui;Canale, Angelo;Alarfaj, Abdullah A.;Munusamy, Murugan A.;Higuchi, Akon;Benelli, Giovanni
Contributors:	工學院化學工程與材料工程學系
Keywords:	adults;Aedes - drug effects;Aedes aegypti;Animals;Arthropoda;arthropods;Bio-fabrication;Biological Control Agents - pharmacology;biosynthesis;cabbage;dengue;disease control;energy-dispersive X-ray analysis;fecundity;food production;Fourier transform infrared spectroscopy;geometry;Green-synthesis;Hypnea;Hypnea musciformis;insect vectors;insecticides;Insecticides - pharmacology;instars;Larva - drug effects;larvae;larvicides;leaf extracts;Lepidoptera - drug effects;lethal concentration 50;longevity;macroalgae;Metal Nanoparticles - chemistry;Microscopy, Electron, Scanning;Nanobiotechnology;nanosilver;Pest control;pests;Plant Extracts - pharmacology;Plant Leaves - chemistry;Plutella xylostella;pupae;Rhodophyta - chemistry;scanning electron microscopy;Seaweed;Seaweed - chemistry;Silver - chemistry;Spectroscopy, Fourier Transform Infrared;surface plasmon resonance;toxicity;Toxins, Biological - pharmacology;ultraviolet-visible spectroscopy;X-Ray Diffraction
Date:	2015-11-01
Issue Date:	2026-04-21 14:40:57 (UTC+8)
Publisher:	Academic Press Inc.;Netherlands: Elsevier Inc
Abstract:	摘要： Two of the most important challenges facing humanity in the 21st century comprise food production and disease control. Eco-friendly control tools against mosquito vectors and agricultural pests are urgently needed. Insecticidal products of marine origin have a huge potential to control these pests. In this research, we reported a single-step method to synthesize silver nanoparticles (AgNP) using the aqueous leaf extract of the seaweed Hypnea musciformis, a cheap, nontoxic and eco-friendly material, that worked as reducing and stabilizing agent during the biosynthesis. The formation of AgNP was confirmed by surface plasmon resonance band illustrated in UV–vis spectrophotometer. AgNP were characterized by FTIR, SEM, EDX and XRD analyses. AgNP were mostly spherical in shape, crystalline in nature, with face-centered cubic geometry, and their mean size was 40–65nm. Low doses of H. musciformis aqueous extract and seaweed-synthesized AgNP showed larvicidal and pupicidal toxicity against the dengue vector Aedes aegypti and the cabbage pest Plutella xylostella. The LC50 value of AgNP ranged from 18.14 to 38.23ppm for 1st instar larvae (L1) and pupae of A. aegypti, and from 24.5 to 38.23ppm for L1 and pupae of P. xylostella. Both H. musciformis extract and AgNP strongly reduced longevity and fecundity of A. aegypti and P. xylostella adults. This study adds knowledge on the toxicity of seaweed borne insecticides and green-synthesized AgNP against arthropods of medical and agricultural importance, allowing us to propose the tested products as effective candidates to develop newer and cheap pest control tools. [Display omitted] •Hypnea musciformis-synthesized silver nanoparticles (AgNP) were studied by UV–vis, FTIR, SEM, EDX and XRD.•AgNP were spherical in shape, crystalline in nature and mean size was 40–65nm.•LC50 of AgNP ranged from 18.14 (larva I) to 30.79ppm (pupa) for Aedes aegypti.•LC50 of AgNP ranged from 24.51 (larva I) to 38.23ppm (pupa) for Plutella xylostella.•H. musciformis extract and AgNP reduced longevity and fecundity of both pests. 其他題名： Ecotoxicol Environ Saf 出版者： Netherlands: Elsevier Inc 出版日期： 2015-11-01 出處： Ecotoxicology and Environmental Safety, 2015-11, Vol.121, p.31-38 版權： 2015 Elsevier Inc. 版權： Copyright © 2015 Elsevier Inc. All rights reserved. 識別號： ISSN: 0147-6513 識別號： ISSN: 1090-2414 識別號： EISSN: 1090-2414 識別號： DOI: 10.1016/j.ecoenv.2015.07.005 識別號： PMID: 26184431
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