Preprint Article Version 1 This version is not peer-reviewed

Green Synthesis of Citrus reticulata Mediated Silver Nanoparticles

Version 1 : Received: 14 November 2018 / Approved: 16 November 2018 / Online: 16 November 2018 (04:33:22 CET)

How to cite: Muzaffar, R.; Azam, M.; Samra, M.M.; Basra, M.A.R. Green Synthesis of Citrus reticulata Mediated Silver Nanoparticles. Preprints 2018, 2018110371 (doi: 10.20944/preprints201811.0371.v1). Muzaffar, R.; Azam, M.; Samra, M.M.; Basra, M.A.R. Green Synthesis of Citrus reticulata Mediated Silver Nanoparticles. Preprints 2018, 2018110371 (doi: 10.20944/preprints201811.0371.v1).

Abstract

Biosynthesis of nanoparticles for delivery of therapeutic agents has introduced new opportunities in upgrading medical treatment. Plant extracts contains different capping and reducing agents naturally thus provided simpler and less expensive way to synthesize AgNPs. In present work, Citrus reticulata mediated stabilised AgNPs was synthesized. Optimum concentration of reactants was achieved by varying the amount of extracts (1-11 ml) and AgNO3 concentration (0.5-3 mM). Surface Plasmon peak of Citrus reticulata mediated AgNPs was determined by UV-visible spectrophotometer and functional groups of capping agents were examined by FTIR analysis. Surface Plasmon peaks of Citrus reticulata fresh peel, seed, and juice extracts were observed at 420 nm. But in dry peel extract, absorption peak of AgNPs appeared at 410 nm. Colour of different extracts was changed after the reduction of AgNO3 to AgNPs by reducing agents present in the extracts. FTIR analysis showed band peaks at 3316 cm-1 correspond to amide (N-H and O-H) stretching vibrations while alkanes peaks was observed at 1638 cm-1 which showed C=C stretching aromatic ring (flavonoids). Furthermore, Citrus reticulata fresh peel mediated AgNPs showed impressive stability up-to 112 days. In conclusion, Citrus reticulata fresh peel extract provided an excellent source of reducing agents for synthesizing stabilized AgNPs.

Subject Areas

biosynthesis; nanoparticles; plant extracts; Citrus reticulata

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