Rapid biosynthesis of silver nanoparticles using Crotalaria verrucosa leaves against the dengue vector Aedes aegypti: what happens around? An analysis of dragonfly predatory behaviour after exposure at ultra-low doses

Aedes aegypti is a primary vector of dengue, a mosquito-borne viral disease infecting 50–100 million people every year. Here, we biosynthesised mosquitocidal silver nanoparticles (AgNP) using the aqueous leaf extract of Crotalaria verrucosa. The green synthesis of AgNP was studied by UV–vis spectros...

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Main Authors: Murugan, Kadarkarai, Sanoopa, C. P., Madhiyazhagan, Pari, Dinesh, Devakumar, Subramaniam, Jayapal, Panneerselvam, Chellasamy, Roni, Mathath, Suresh, Udaiyan, Nicoletti, Marcello, Alarfaj, Abdullah A., Munusamy, Murugan A., Higuchi, Akon, Kumar, Suresh, Perumalsamy, Haribalan, Ahn, Young Joon, Benelli, Giovanni
Format: Article
Language:English
Published: Taylor & Francis 2016
Online Access:http://psasir.upm.edu.my/id/eprint/43317/1/43317.pdf
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author Murugan, Kadarkarai
Sanoopa, C. P.
Madhiyazhagan, Pari
Dinesh, Devakumar
Subramaniam, Jayapal
Panneerselvam, Chellasamy
Roni, Mathath
Suresh, Udaiyan
Nicoletti, Marcello
Alarfaj, Abdullah A.
Munusamy, Murugan A.
Higuchi, Akon
Kumar, Suresh
Perumalsamy, Haribalan
Ahn, Young Joon
Benelli, Giovanni
author_facet Murugan, Kadarkarai
Sanoopa, C. P.
Madhiyazhagan, Pari
Dinesh, Devakumar
Subramaniam, Jayapal
Panneerselvam, Chellasamy
Roni, Mathath
Suresh, Udaiyan
Nicoletti, Marcello
Alarfaj, Abdullah A.
Munusamy, Murugan A.
Higuchi, Akon
Kumar, Suresh
Perumalsamy, Haribalan
Ahn, Young Joon
Benelli, Giovanni
author_sort Murugan, Kadarkarai
collection UPM
description Aedes aegypti is a primary vector of dengue, a mosquito-borne viral disease infecting 50–100 million people every year. Here, we biosynthesised mosquitocidal silver nanoparticles (AgNP) using the aqueous leaf extract of Crotalaria verrucosa. The green synthesis of AgNP was studied by UV–vis spectroscopy, SEM, EDX and FTIR. C. verrucosa-synthesised AgNPs were toxic against A. aegypti larvae and pupae. LC50 of AgNP ranged from 3.496 ppm (I instar larvae) to 17.700 ppm (pupae). Furthermore, we evaluated the predatory efficiency of dragonfly nymphs, Brachydiplax sobrina, against II and III instar larvae of A. aegypti in an aquatic environment contaminated with ultra-low doses of AgNP. Under standard laboratory conditions, predation after 24 h was 87.5% (II) and 54.7% (III). In an AgNP-contaminated environment, predation was 91 and 75.5%, respectively. Overall, C. verrucosa-synthesised AgNP could be employed at ultra-low doses to reduce larval population of dengue vectors enhancing predation rates of dragonfly nymphs.
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spelling upm.eprints-433172016-05-18T04:44:10Z http://psasir.upm.edu.my/id/eprint/43317/ Rapid biosynthesis of silver nanoparticles using Crotalaria verrucosa leaves against the dengue vector Aedes aegypti: what happens around? An analysis of dragonfly predatory behaviour after exposure at ultra-low doses Murugan, Kadarkarai Sanoopa, C. P. Madhiyazhagan, Pari Dinesh, Devakumar Subramaniam, Jayapal Panneerselvam, Chellasamy Roni, Mathath Suresh, Udaiyan Nicoletti, Marcello Alarfaj, Abdullah A. Munusamy, Murugan A. Higuchi, Akon Kumar, Suresh Perumalsamy, Haribalan Ahn, Young Joon Benelli, Giovanni Aedes aegypti is a primary vector of dengue, a mosquito-borne viral disease infecting 50–100 million people every year. Here, we biosynthesised mosquitocidal silver nanoparticles (AgNP) using the aqueous leaf extract of Crotalaria verrucosa. The green synthesis of AgNP was studied by UV–vis spectroscopy, SEM, EDX and FTIR. C. verrucosa-synthesised AgNPs were toxic against A. aegypti larvae and pupae. LC50 of AgNP ranged from 3.496 ppm (I instar larvae) to 17.700 ppm (pupae). Furthermore, we evaluated the predatory efficiency of dragonfly nymphs, Brachydiplax sobrina, against II and III instar larvae of A. aegypti in an aquatic environment contaminated with ultra-low doses of AgNP. Under standard laboratory conditions, predation after 24 h was 87.5% (II) and 54.7% (III). In an AgNP-contaminated environment, predation was 91 and 75.5%, respectively. Overall, C. verrucosa-synthesised AgNP could be employed at ultra-low doses to reduce larval population of dengue vectors enhancing predation rates of dragonfly nymphs. Taylor & Francis 2016 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/43317/1/43317.pdf Murugan, Kadarkarai and Sanoopa, C. P. and Madhiyazhagan, Pari and Dinesh, Devakumar and Subramaniam, Jayapal and Panneerselvam, Chellasamy and Roni, Mathath and Suresh, Udaiyan and Nicoletti, Marcello and Alarfaj, Abdullah A. and Munusamy, Murugan A. and Higuchi, Akon and Kumar, Suresh and Perumalsamy, Haribalan and Ahn, Young Joon and Benelli, Giovanni (2016) Rapid biosynthesis of silver nanoparticles using Crotalaria verrucosa leaves against the dengue vector Aedes aegypti: what happens around? An analysis of dragonfly predatory behaviour after exposure at ultra-low doses. Natural Product Research, 30 (7). pp. 826-833. ISSN 1478-6419; ESSN: 1478-6427 http://www.tandfonline.com/doi/abs/10.1080/14786419.2015.1074230 10.1080/14786419.2015.1074230
spellingShingle Murugan, Kadarkarai
Sanoopa, C. P.
Madhiyazhagan, Pari
Dinesh, Devakumar
Subramaniam, Jayapal
Panneerselvam, Chellasamy
Roni, Mathath
Suresh, Udaiyan
Nicoletti, Marcello
Alarfaj, Abdullah A.
Munusamy, Murugan A.
Higuchi, Akon
Kumar, Suresh
Perumalsamy, Haribalan
Ahn, Young Joon
Benelli, Giovanni
Rapid biosynthesis of silver nanoparticles using Crotalaria verrucosa leaves against the dengue vector Aedes aegypti: what happens around? An analysis of dragonfly predatory behaviour after exposure at ultra-low doses
title Rapid biosynthesis of silver nanoparticles using Crotalaria verrucosa leaves against the dengue vector Aedes aegypti: what happens around? An analysis of dragonfly predatory behaviour after exposure at ultra-low doses
title_full Rapid biosynthesis of silver nanoparticles using Crotalaria verrucosa leaves against the dengue vector Aedes aegypti: what happens around? An analysis of dragonfly predatory behaviour after exposure at ultra-low doses
title_fullStr Rapid biosynthesis of silver nanoparticles using Crotalaria verrucosa leaves against the dengue vector Aedes aegypti: what happens around? An analysis of dragonfly predatory behaviour after exposure at ultra-low doses
title_full_unstemmed Rapid biosynthesis of silver nanoparticles using Crotalaria verrucosa leaves against the dengue vector Aedes aegypti: what happens around? An analysis of dragonfly predatory behaviour after exposure at ultra-low doses
title_short Rapid biosynthesis of silver nanoparticles using Crotalaria verrucosa leaves against the dengue vector Aedes aegypti: what happens around? An analysis of dragonfly predatory behaviour after exposure at ultra-low doses
title_sort rapid biosynthesis of silver nanoparticles using crotalaria verrucosa leaves against the dengue vector aedes aegypti what happens around an analysis of dragonfly predatory behaviour after exposure at ultra low doses
url http://psasir.upm.edu.my/id/eprint/43317/1/43317.pdf
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