Pithecellobium dulce mediated extra-cellular green synthesis of larvicidal silver nanoparticles

• Published in: Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy Vol. 96; pp. 1031 - 1037
• Main Authors: Raman, N., Sudharsan, S., Veerakumar, V., Pravin, N., Vithiya, K.
• Format: Journal Article
• Language: English
• Published: England Elsevier B.V 01-10-2012
• Subjects: Animals; Biological Assay; Biological reduction; Culex - drug effects; Culex quinquefasciatus; Extracellular Space - chemistry; Fabaceae - chemistry; Green Chemistry Technology - methods; Green synthesis; Insecticides - chemical synthesis; Insecticides - pharmacology; Larva - drug effects; Larvicidal activity; Metal Nanoparticles - chemistry; Metal Nanoparticles - ultrastructure; Microscopy, Atomic Force; Particle Size; Pithecellobium dulce; Silver - pharmacology; Silver nanoparticles; Spectrophotometry, Ultraviolet; Spectroscopy, Fourier Transform Infrared; X-Ray Diffraction; Larvicidal activity; Green synthesis; Pithecellobium dulce; Biological reduction; Silver nanoparticles; Culex quinquefasciatus
• ISSN: 1386-1425; 1873-3557
• DOI: 10.1016/j.saa.2012.08.011

Pithecellobium dulce leaf extract makes a fast, environmentally benign and convenient method for the synthesis of silver nanoparticles. The green silver nanoparticles show effective larvicidal activity against Culex quinquefasciatus. [Display omitted]
► Pithecellobium dulce mediated silver nanoparticles synthesized via green approach. ► The green silver nanoparticles show effective larvicidal activity against Culex quinquefasciatus. ► Larvicidal activity of the Ag NPs may be driven by the saponin present in P. dulce.
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=21.56mg/L and r2=0.995) due to high surface to volume ratio.