Abstract
In this study, gold nanoparticles (AuNPs) were synthesized following a bioreductive route using extract of Eriobotrya Japonica leaf. For the synthesis of gold nanoparticles, firstly, leaves of Eriobotrya Japonica were collected from the Eastern Black Sea region (Akçaabat-TRABZON) in Turkey and dried. Secondly, 20 g of dried sample was shaken in 400 mL of distilled water for 180 min. and extracted in a laboratoary microwave device at 4 minutes, 600 W and left cooling. Lastly, different volume of leaf extract was mixed with aqueous solution of HAuCl4.3H2O (0,5 mM-2 mM ) and then mixture was heated at the power of 90 W for various time intervals by a household microwave. The synthesis reaction of gold nanoparticles was monitored using by a Shimadzu UVP-1240 spectrophotometer and light-yellow color of the solution changed to purple color, indicating the formation of AuNPs.
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