BIOLOGICAL AND PHYSICOCHEMICAL PROPERTIES OF GOLD AND IRON NANOPARTICLES PRODUCED BY GREEN SYNTHESIS METHOD. - Batsalova, Tsvetelina; Moten, Dzhemal; Butenko, Ivan; Dzhambazov, Balik; Vasil'kov, Alexander (Proceedings of the International Multidisciplinary Scientific GeoConference SGEM, 2022)