Comparative analysis of larvicidal efficacy of Silver and Copper nanoparticles synthesized leaf extract of Ocimum basilicum against Epilachna vigintioctopunctata
{"title":"Comparative analysis of larvicidal efficacy of Silver and Copper nanoparticles synthesized leaf extract of Ocimum basilicum against Epilachna vigintioctopunctata","authors":"C. Sundareswari, Sudarmani D.N.P., J. S","doi":"10.12723/mjs.65.9","DOIUrl":null,"url":null,"abstract":"The goal of the current study was to evaluate the larvicidal activities of synthesized silver and copper nanoparticles against Epilachnavigintioctopunctatalarvaeusing an aqueous leaf extract of Ocimumbasilicum. For 24 hours, larvae were exposed to various concentrations of an aqueous, silver and copper nanoparticles sunthesized extracts of O. basilicum.After visible observation, FTIR, a particle size analyzer, and UV-vis spectrophotometer were used to confirm the successful synthesis of nanoparticles. By using a GC-MS study, the phytochemicals found in leaf extract were investigated. LC50 and LC90 values were calculated to analyze the results. The larvicidal efficacy of aqueous extract, AgNPs, and CuNPs synthesized leaf extract were compared. The larvicidal activity of the leaf extract produced by CuNPs was marginally inferior to that of the leaf extract produced by AgNPs.","PeriodicalId":18050,"journal":{"name":"Mapana Journal of Sciences","volume":"74 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2023-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Mapana Journal of Sciences","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.12723/mjs.65.9","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
The goal of the current study was to evaluate the larvicidal activities of synthesized silver and copper nanoparticles against Epilachnavigintioctopunctatalarvaeusing an aqueous leaf extract of Ocimumbasilicum. For 24 hours, larvae were exposed to various concentrations of an aqueous, silver and copper nanoparticles sunthesized extracts of O. basilicum.After visible observation, FTIR, a particle size analyzer, and UV-vis spectrophotometer were used to confirm the successful synthesis of nanoparticles. By using a GC-MS study, the phytochemicals found in leaf extract were investigated. LC50 and LC90 values were calculated to analyze the results. The larvicidal efficacy of aqueous extract, AgNPs, and CuNPs synthesized leaf extract were compared. The larvicidal activity of the leaf extract produced by CuNPs was marginally inferior to that of the leaf extract produced by AgNPs.
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