Do Chenopodium ambrosioides-Synthesized Silver Nanoparticles Impact Oryzias melastigma Predation Against Aedes albopictus Larvae?
文献类型: 外文期刊
作者: Subramaniam, Jayapal 1 ; Murugan, Kadarkarai 2 ; Jebanesan, Arulsamy 1 ; Pontheckan, Philips 2 ; Dinesh, Devakum 1 ;
作者机构: 1.Annamalai Univ, Div Vector Biol & Control, Dept Zool, Fac Sci, Chidambaram 608002, Tamil Nadu, India
2.Bharathiar Univ, Sch Life Sci, Div Entomol, Dept Zool, Coimbatore 641046, Tamil Nadu, India
3.Thiruvalluvar Univ, Dept Biotechnol, Vellore 632115, Tamil Nadu, India
4.Sapienza Univ Rome, Dept Environm Biol, Piazzale Aldo Moro 5, I-00185 Rome, Italy
5.Fujian Acad Agr Sci, Inst Plant Protect, 247 Wusi Rd, Fuzhou 350003, Peoples R China
6.Natl Cent Univ, Dept Chem & Mat Engn, 300 Jhongli, Taoyuan 32001, Taiwan
7.Univ Putra Malaysia, Dept Med Microbiol & Parasitol, Serdang 43400, Selangor, Malaysia
8.Univ Pisa, Dept Agr Food & Environm, Via Borg
关键词: Biological control;Biosafety;Larvivorous fishes;Nanobiotechnology;Nanocrystals
期刊名称:JOURNAL OF CLUSTER SCIENCE ( 影响因子:3.061; 五年影响因子:2.291 )
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收录情况: SCI
摘要: The green synthesis of nanopesticides has been recently proposed to improve the efficacy of mosquito control programs. However, limited efforts shed light on the impact of sub-lethal doses of nanopesticides on behavioral traits of mosquito biocontrol agents. We described the synthesis of silver nanoparticles (AgNP) at room temperature using the aqueous extract of Chenopodium ambrosioides, and their high toxicity against the invasive mosquito Aedes albopictus. LC50 calculated on young instars ranged from 13 ppm (first instar larvae) to 19 ppm (pupae). LC50 calculated on adults was 14 ppm. The chemical composition of the C. ambrosioides extract was characterized by GC-MS analysis. The production of AgNP was confirmed by the surface Plasmon resonance band illustrated in UV-Vis, FTIR spectroscopy, EDX, XRD, TEM, and Zeta Potential analyses. In the field, a single treatment of AgNP (10 x LC50) led to complete elimination of larval populations within 72 h. Sub-lethal doses of the reducing extract and AgNP magnify predation rates of Oryzias melastigma fishes against A. albopictus larvae. Overall, this study highlights the concrete potential of C. ambrosioides-synthesized AgNP to develop effective and cheap tools to control young instars and adults of the invasive mosquito A. albopictus.
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