TY - JOUR ID - 1319 TI - Biosynthesis of gold nanoparticles by extract of aerial organs of Cumin (Cuminum cyminum L. ) JO - Cellular and Molecular Research (Iranian Journal of Biology) JA - CMR LA - en SN - 2383-2738 AU - salari, naimeh AU - karimi maleh, hassan AU - asadi, mahla AD - Graduate student of Agricultural Engineering, Islamic Azad University, Jiroft Branch, Jiroft-Iran AD - Assistant Professor, Department of Chemistry, Graduate University of Advanced Technology, Kerman-Iran AD - 4- Graduate Student in Agricultural Biotechnology, Graduate University of Advanced Technology, Kerman-Iran Y1 - 2019 PY - 2019 VL - 32 IS - 3 SP - 286 EP - 296 KW - biological synthesis KW - gold nanoparticles KW - green cumin DO - N2 - Several physical and chemical methods have been studied for synthesis of metal nanoparticles at commercial scale for use in biological and non-biological purposes. Nowadays, the green synthesis or biosynthesis method by plants is the most efficient way for synthesis of nanoparticles. In this study, biosynthesis of gold nanoparticles has done by adding gold nitrate in extract of aerial organs biomass of cumin. The highest conversion of gold ions into nanoparticles of gold was achieved under optimal conditions of 40 °C, pH=10 and 20 minutes. Synthesis of gold nanoparticles surveyed by UV-visible spectroscopy, transmission electron microscope (TEM) and X-Ray diffraction (XRD). Spectrophotometric analysis showing absorbance in 550 nm approved synthesis of gold nanoparticles using extract of aerial organs biomass of cumin . TEM analysis showed spherical shape of gold nanoparticles in range of 2-10 nm. Moreover, XRD analysis showed nano crystals synthesis by extract of aerial organs biomass of cumin.Using nyquist plot, electric conduction comparison between simple carbon dough electrode with its modified counterpart with gold nanoparticles verified the presence of gold nanoparticles in Cumin extract. UR - https://cell.ijbio.ir/article_1319.html L1 - https://cell.ijbio.ir/article_1319_79d3ca708df5418fd69ef6f39a6edf41.pdf ER -