Facile green synthesis of gold nanoparticles using leaf extract of antidiabetic potent Cassia auriculata |
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Authors: | Kumar V Ganesh Gokavarapu S Dinesh Rajeswari A Dhas T Stalin Karthick V Kapadia Zainab Shrestha Tripti Barathy I A Roy Anindita Sinha Sweta |
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Institution: | Nanoscience Division, Centre for Ocean Research, Sathyabama University, Chennai, India. ganesv@gmail.com |
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Abstract: | A simple biological method for the synthesis of gold nanoparticles (AuNPs) using Cassia auriculata aqueous leaf extract has been carried out in the present study. The reduction of auric chloride led to the formation of AuNPs within 10 min at room temperature (28°C), suggesting a higher reaction rate than chemical methods involved in the synthesis. The size, shape and elemental analysis were carried out using X-ray diffraction, TEM, SEM-EDAX, FT-IR and visible absorption spectroscopy. Stable, triangular and spherical crystalline AuNPs with well-defined dimensions of average size of 15-25 nm were synthesized using C. auriculata. Effect of pH was also studied to check the stability of AuNPs. The main aim of the investigation is to synthesize AuNPs using antidiabetic potent medicinal plant. The stabilizing and reducing molecules of nanoparticles may promote anti-hyperglycemic if tested further. |
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