Journal
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
Volume 96, Issue -, Pages 1031-1037Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2012.08.011
Keywords
Pithecellobium dulce; Silver nanoparticles; Culex quinquefasciatus; Larvicidal activity; Biological reduction; Green synthesis
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Funding
- Directorate of Collegiate Education, Tamilnadu
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Present study reports a green chemistry approach for the biological synthesis of silver nanoparticles using the aqueous leaf extract of Pithecellobium dulce, which acts as a reducing and capping agent. It is observed that use of P. dulce leaf extract makes a fast, environmentally benign and convenient method for the synthesis of silver nanoparticles and can reduce silver ions into silver nanoparticles. Silver nanoparticles so prepared have been characterized by UV-Vis, FT-IR, X-ray diffraction, atomic force microscopy and scanning electron microscope studies. Furthermore, these nanoparticles show effective larvicidal activity against Culex quinquefasciatus (LC50 = 21.56 mg/L and r(2) = 0.995) due to high surface to volume ratio. (C) 2012 Elsevier B.V. All rights reserved.
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