چکیده

Chemical methods for the synthesis of nanoparticles produce pure and homogeneous particles, they are still expensive and environmentally hazardous. The use of plants is considered as a suitable and environmentally friendly alternative for the synthesis of nanoparticles. In this study, the hydroalcoholic extract of Eryngium caeruleum plant was used for synthesis of gold nanoparticles as a high-efficiency, low-cost and non-toxic method. The prepared nanoparticles were formed after treatment with HAuCl4 solution at concentrations of 100-500 μg / ml of hydroalcoholic extract of the plant as a reducing and stabilizing agent at 70 ° C. Reaction progress was assessed by UV-Vis assay and characterization of synthesized nanoparticles by DLS and Zeta potential methods. The color of HAuCl4 solution changed from yellow to wine in combination with the plant extract. This color change indicated the synthesis of gold nanoparticles. The absorption peak of the solution containing gold nanoparticles at a concentration of 100 mg / ml at 530 nm was obtained. Also, the size of nanoparticles was determined by DLS device between 10-90 nm and zeta potential equal to -50. The results indicate that environmentally friendly gold nanoparticles can be produced by the extract of Eryngium caeruleum plant.

کليدواژه ها

green synthesis, gold nanoparticles, hydroalcoholic extract, Eryngium caeruleum

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مصطفی شوریان , 1400 , سنتز سبز نانوذرات طلا با استفاده از عصاره هیدروالکلی ارینگیوم سرولئوم , نخستین همایش بین المللی و سومین همایش ملی ریاضیات زیستی