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- Title
Biosynthesis of silver nanoparticles by using mangrove plant extract and their potential mosquito larvicidal property
- Authors
Gnanadesigan, M; Anand, M; Ravikumar, S; Maruthupandy, M; Vijayakumar, V; Selvam, S; Dhineshkumar, M; Kumaraguru, AK
- Abstract
Abstract: Objective: To identify the larvicidal activities of silver nano particles synthesised with Rhizophora mucronata (R. mucronata) leaf extract against the larvae of Aedes aegypti (Ae. aegypti) and Culex quinquefasciatus (Cx. quinquefasciatus). Methods: In vitro larvicidal activities such as LC50 and LC90 were assessed for the Ae. aegypti and Cx. quinquefasciatus larval species. Further, characterisation such as UV, XRD, FTIR and AFM analysis were carried out for the synthesised silver nano particles. Results: The LC50 value of the synthesised silver nano particle was identified as 0.585 and 0.891 mg/L for Ae. aegypti and Cx. quinquefasciatus larvae respectively. Further, the LC90 values are also identified as 2.615 and 6.291 mg/L for Ae. aegypti and Cx. quinquefasciatus species respectively. The synthesised silver nanoparticles have maximum absorption at 420 nm with the average size of 60-95 nm. The XRD data showed 2θ intense values with various degrees such as 37.10°, 47.66°, 63.97° and 70.01°. The FTIR data showed prominent peaks in (3 426.89, 2 925.49, 2 869.56, 2 346.95, 1 631.49, 1 031.73, 669.18 and 455.12) different ranges. Conclusions: The biosynthesis of silver nanoparticles with leaf aqueous extract of R. mucronata provides potential source for the larvicidal activity against mosquito borne diseases.
- Subjects
BIOSYNTHESIS; COLLOIDAL silver; MANGROVE plants; MOSQUITO larvae; RHIZOPHORA mucronata; PLANT extracts
- Publication
Asian Pacific Journal of Tropical Medicine, 2011, Vol 4, Issue 10, p799
- ISSN
1995-7645
- Publication type
Article
- DOI
10.1016/S1995-7645(11)60197-1