Biosynthesis of Silver nanoparticles using root extract of the medicinal plant Justicia adhatoda: Characterization, electrochemical behavior and applications
Publish place: International Journal of Nano Dimension، Vol: 6، Issue: 4
Publish Year: 1394
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJND-6-4_002
تاریخ نمایه سازی: 24 تیر 1401
Abstract:
A facile and green approach has been developed to synthesize silver nanoparticle (Ag-NPs). This was carried out by a biosynthetic route using Justicia Adhatoda root extract as reducing and stabilizing agent. The structure, composition, average particle size (~۲۵ nm) and surface morphology of Ag-NPs were characterized by the X-ray diffraction, transmission electron microscope and atomic force microscope analyses. The possible functional groups in the plant extracts were identified by FT-IR analysis. Electrochemical property of the Ag-NPs was analysed by cyclic voltammetry that displayed an oxidation peak potential at Epa = ۰.۴۳۸ V. Mechanism of the formation of Ag-NPs was proposed which showed that the phenolic compounds of the root extract respond for the reduction of silver ions to silver nanoparticles. Ag-NPs exhibit good antioxidant and antibacterial activities. This biosynthetic approach could open a path for environmentally friendly, simple, cost effective, alternate for conventional synthesis. This prevented hazardous chemicals and was useful for applications in medicine and large scale production of metallic nanoparticles.
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Authors
K. M. Ponvel
Nanoscience, PG & Research Department of Chemistry, V.O. Chidambaram College, Thoothukudi-۶۲۸۰۰۸, Tamil Nadu, India.
T. Narayanaraja
Nanoscience, PG & Research Department of Chemistry, V.O. Chidambaram College, Thoothukudi-۶۲۸۰۰۸, Tamil Nadu, India.
J. Prabakaran
Nanoscience, PG & Research Department of Chemistry, V.O. Chidambaram College, Thoothukudi-۶۲۸۰۰۸, Tamil Nadu, India.
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