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European journal of molecular biology and biochemistry

Volume 6, Issue 1, 2019
Mcmed International
European journal of molecular biology and biochemistry
Issn
2348 - 2192 (Print), 2348 - 2206 (Online)
Frequency
bi-annual
Email
editorejmbb@mcmed.us
Journal Home page
http://mcmed.us/journal/ejmbb
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Abstract
Title
GREEN SYNTHESIS OF SILVER NANOPARTICLES FROM LEAVES EXTRACT OF MILLIETTA PINNATA L. AGAINST DENGUE CAUSING MOSQUITOES
Author
K. Deepalakshmi, M.V.Rameashkannan and Panagal Mani*
Email
master.maniji@gmail.com
keyword
Millietta pinnata, Ag NPs, SEM, FTIR, Larvicidal activity.
Abstract
Mosquitoes transmit serious human diseases, causing millions of deaths every year. The use of synthetic insecticides to control vector mosquitoes has caused physiological resistance and adverse environmental effects in addition to high operational cost. Insecticides synthesized from natural products for vector control have been a priority in this area. In the present study, silver nanoparticles (Ag NPs) were green-synthesized using a leaves extract of Millietta pinnata screened for larvicidal activity against third instar larvae of mosquitoes. The synthesized Ag NPs were characterized by using UV–vis absorption, SEM and FTIR techniques. The textures of the yielded Ag NPs were found to be spherical and polydispersed with a mean size in the range of 2–10 nm. Larvae were exposed to various concentrations of methanolic extract of M.pinnata and synthesized Ag NPs for 24 h, and the maximum mortality was observed from the 0.04mg and 0.05mg synthesized Ag NPs against the third instar larvae of Aedes aegypticus mosquitoes within six hours. These results suggest that the synthesized Ag NPs have the potential to be used as an ideal eco-friendly approach for the control of mosquitoes.
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