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International Journal of Mosquito Research
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International Journal of Mosquito Research
Vol. 5, Issue 6, Part A (2018)

Biosynthesis of silver nano composite using agro waste and its larvicidal properties

Author(s): Sundara Mahalingam Balaji and Kani Manjula
Abstract: Mosquito has attracted considerable attention in the medical and social regions of the world. They are the vectors of many diseases accounting for huge mortality and morbidity worldwide. In the present experiment we prepared a silver nano composite using paddy straw and tested its potential larvicidal activities against Aedes aegypti and Anopheles gambiae larvae at 25, 50, 100 ppm concentration. The synthesised nanoparticles using paddy straws were characterised by Ultra Violent resonance, Fourier transform infrared spectroscopy, Scanning Electron Microscopy and Energy-dispersive X-ray spectroscopy analysis. In larvicidal assay, the fourth instar larvae are exposed to different concentrations of silver nano composite aqueous extract for 24 hours. From the experiment it is revealed that the mean concentration to kill 50% of larval population is found to be 13.625 ppm for Aedes aegypti and 12.270 ppm for Anopheles gambiae.
Observations of synthesised nanoparticle (A – UV light absorbance; B – Scanning electron micrograph; C – XRD analysis; D&E – FTIR peaks)
Fig.: Observations of synthesised nanoparticle (A – UV light absorbance; B – Scanning electron micrograph; C – XRD analysis; D&E – FTIR peaks)
Pages: 39-42  |  460 Views  24 Downloads
How to cite this article:
Sundara Mahalingam Balaji, Kani Manjula. Biosynthesis of silver nano composite using agro waste and its larvicidal properties. Int J Mosq Res 2018;5(6):39-42.
International Journal of Mosquito Research