A Nano-bio-eco Interaction to Synthesis of Gold Nanoparticles Using Tribulus Terrestris Extract and its Antibacterial Activity
Publish place: Advanced Journal of Chemistry-Section A، Vol: 4، Issue: 3
Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_AJCS-4-3_004
تاریخ نمایه سازی: 17 خرداد 1400
Abstract:
A green synthesis of gold nanoparticles (GNPs) was accomplished by aqueous medium of the Tribulus terrestris (T. terrestris)extract, without the addition of any external chemical reducing agent. Several factors such as pH of the solution, temperature, and concentration of the added extract greatly influence the synthesized nanoparticles. The reduced GNPs were characterized by energy dispersive X-ray (EDX), ultra-violet–visible absorption spectroscopy (UV–Vis), fourier transform–infrared spectroscopy (FT–IR), and scanning electron microscopy (SEM). Formation of GNPs was approved from the change in color of colorless to violet and strong surface plasmon resonance (SPR) was observed at ۵۵۵ nm using UV-Vis spectroscopy. The size distribution of the GNPs was also revealed by SEM analysis. The size range of the GNPs was from ۶ to ۲۵ nm. Similarly, particles with a distinctive peak of gold were examined with EDX. Moreover, the potential of the nanoparticles for biomedical applications have also been confirmed by their antimicrobial activity against Gram positive and negative bacteria. Actualy, this study provides new possibilities of using T. terrestris extract as a capping and reducing agent for the synthesis of GNPs, which may be applicable for the future diagnostic and therapeutic fields.
Authors
Farzad Molani
Department of Chemistry, Sanandaj Branch, Islamic Azad University, P. O. Box ۶۶۱۶۹۳۵۳۹۱, Sanandaj, Iran
Fereshteh Veisi
Department of Chemistry, Sanandaj Branch, Islamic Azad University, P. O. Box ۶۶۱۶۹۳۵۳۹۱, Sanandaj, Iran
Sirwan Mohammadiazar
Department of Chemistry, Sanandaj Branch, Islamic Azad University, P. O. Box ۶۶۱۶۹۳۵۳۹۱, Sanandaj, Iran
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