Varieties of methods are established in the field of nanotechnology for development of ecofriendly and reliable process for the synthesis of gold/silver nanomaterials using different biological agent. The focal point of the present investigation is to synthesize the gold nanoparticle in a single, easy and extracellular synthesis step. Therefore, we used mung bean seed soaked water to reduce the aqueous gold ions into gold nanoparticles and the entire synthesis method was observed by UV-visible spectroscopy. The zeta potential measurement was employed to assess the stability of the synthesized gold nanoparticles. Further, the atomic force microscopy was employed to the characteristic features of gold nanoparticles size (50-120 nm), morphology and agglomeration of gold. Results indicate the synthesis of gold nanoparticles in the reaction mixture.
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