Investigation of Structure and Antibacterial Activity of Fe3O4/Ag Nanocomposites Based on Psidium guajava Extract Elok Putri Cindya Sari, Ahmad Taufiq, Arif Hidayat, Robi Kurniawan, Nandang Mufti
Department of Physics, Faculty of Mathematics and Natural Science, Universitas Negeri Malang, Jl. Semarang 5 Malang, Indonesia