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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
العودة
معلومات البحث
المؤلفون • Mathath Ronia, • Kadarkarai Murugana, • Chellasamy Panneerselvama, • Jayapal Subramaniama, • Marcello Nicolettib, • Pari Madhiyazhagana, • Devakumar Dinesha, • Udaiyan Suresha, • Hanem F. Khaterc, • Hui Weid, • Angelo Canalee, • Abd
الكلمات المفتاحية Not Available
المجلة العلمية Ecotoxicology and Environmental Safety
الناشر Not Available
المجلد 121
العدد Not Available
الصفحات 31–38
publication.type International
رابط البحث Not Available
المواد المرفقة Not Available
الملخص
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