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Characterization and biotoxicity of Hypnea musciformis-synthesized silver nanoparticles as potential eco-friendly control tool against Aedes aegypti and Plutella xylostella
Ecotoxicology and Environmental Safety • 2015
Publication Information
Authors
• Mathath Ronia,
• Kadarkarai Murugana,
• Chellasamy Panneerselvama,
• Jayapal Subramaniama,
• Marcello Nicolettib,
• Pari Madhiyazhagana,
• Devakumar Dinesha,
• Udaiyan Suresha,
• Hanem F. Khaterc,
• Hui Weid,
• Angelo Canalee,
• Abd
Keywords
Not Available
Journal
Ecotoxicology and Environmental Safety
Publisher
Not Available
Volume
121
Issue
Not Available
Pages
31–38
publication.type
International
Paper Link
Not Available
Supplementary Materials
Not Available
Abstract
Two ofthemostimportantchallengesfacinghumanityinthe21stcenturycomprisefoodproductionand
disease control.Eco-friendlycontroltoolsagainstmosquitovectorsandagriculturalpestsareurgently
needed. Insecticidalproductsofmarineoriginhaveahugepotentialtocontrolthesepests.Inthisre-
search, wereportedasingle-stepmethodtosynthesizesilvernanoparticles(AgNP)usingtheaqueous
leaf extractoftheseaweed Hypnea musciformis, acheap,nontoxicandeco-friendlymaterial,thatworked
as reducingandstabilizingagentduringthebiosynthesis.TheformationofAgNPwasconfirmed by
surface plasmonresonancebandillustratedinUV–vis spectrophotometer.AgNPwerecharacterizedby
FTIR, SEM,EDXandXRDanalyses.AgNPweremostlysphericalinshape,crystallineinnature,withface-
centeredcubicgeometry,andtheirmeansizewas40–65 nm.Lowdosesof H. musciformis aqueousex-
tract andseaweed-synthesizedAgNPshowedlarvicidalandpupicidaltoxicityagainstthedenguevector
Aedes aegypti and thecabbagepest Plutella xylostella. TheLC50 valueofAgNPrangedfrom18.14to
38.23 ppmfor1stinstarlarvae(L1)andpupaeof A.aegypti, andfrom24.5to38.23ppmforL1andpupae
of P.xylostella. Both H. musciformis extractandAgNPstronglyreducedlongevityandfecundityof A.
aegypti and P.xylostella adults. Thisstudyaddsknowledgeonthetoxicityofseaweedborneinsecticides
and green-synthesizedAgNPagainstarthropodsofmedicalandagriculturalimportance,allowingusto
propose thetestedproductsaseffectivecandidatestodevelopnewerandcheappestcontroltools
disease control.Eco-friendlycontroltoolsagainstmosquitovectorsandagriculturalpestsareurgently
needed. Insecticidalproductsofmarineoriginhaveahugepotentialtocontrolthesepests.Inthisre-
search, wereportedasingle-stepmethodtosynthesizesilvernanoparticles(AgNP)usingtheaqueous
leaf extractoftheseaweed Hypnea musciformis, acheap,nontoxicandeco-friendlymaterial,thatworked
as reducingandstabilizingagentduringthebiosynthesis.TheformationofAgNPwasconfirmed by
surface plasmonresonancebandillustratedinUV–vis spectrophotometer.AgNPwerecharacterizedby
FTIR, SEM,EDXandXRDanalyses.AgNPweremostlysphericalinshape,crystallineinnature,withface-
centeredcubicgeometry,andtheirmeansizewas40–65 nm.Lowdosesof H. musciformis aqueousex-
tract andseaweed-synthesizedAgNPshowedlarvicidalandpupicidaltoxicityagainstthedenguevector
Aedes aegypti and thecabbagepest Plutella xylostella. TheLC50 valueofAgNPrangedfrom18.14to
38.23 ppmfor1stinstarlarvae(L1)andpupaeof A.aegypti, andfrom24.5to38.23ppmforL1andpupae
of P.xylostella. Both H. musciformis extractandAgNPstronglyreducedlongevityandfecundityof A.
aegypti and P.xylostella adults. Thisstudyaddsknowledgeonthetoxicityofseaweedborneinsecticides
and green-synthesizedAgNPagainstarthropodsofmedicalandagriculturalimportance,allowingusto
propose thetestedproductsaseffectivecandidatestodevelopnewerandcheappestcontroltools