Journal
ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY
Volume 45, Issue 8, Pages 1490-1495Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/21691401.2016.1252383
Keywords
Selenium; Clausena dentata; SEM; larvicidal activity; eco-friendly
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Funding
- Department of Biotechnology, Periyar University, Salem, Tamil Nadu, India
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Mosquitoes are major vectors for the transmission of many diseases like chikungunya, malaria, dengue, zika, etc. worldwide. In the present study, selenium nanoparticles (SeNPs) were synthesized from Clausena dentata and were tested for their larvicidal efficacy against the fourth-instar larvae of Anopheles stephensi, Aedes Aegypti, and Culex quinquefasciatus. The synthesized nanoparticles were characterized using UV-Vis spectroscopy, Fourier Transform Infrared Radiation (FTIR) spectroscopy, EDaX, and SEM. The results recorded from UV-Vis spectroscopy show the peak absorption spectrum at 420nm. In FTIR, the maximum peak value is 2922.25cm(-1) assigned to N-H group (amide group). In EDaX analysis shows peak around 72.64 which confirm the binding intensity of selenium. In SEM analysis, the synthesized SeNPs sizes were ranging from 46.32nm to 78.88nm. The synthesized SeNPs produced high mortality with very low concentration (LC50) were 240.714mg/L; 104.13mg/L, and 99.602mg/L for A. stephensi, A. Aegypti, and C. quinquefasciatus, respectively. These results suggest that the C. dentata leaf extract-mediated biosynthesis of SeNPs has the potential to be used as an ideal ecofriendly approach toward the control of mosquito vectors at early stages.
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