List of Articles Fe3O4 nanoparticles Open Access Article Abstract Page Full-Text 1 - Removal of Levofloxacin with Three- Dimensional Magnetic Nanoadsorbent based on Graphene Oxide Functionalized with Melamine and Chitosan Dialdehyde: Adsorption Isotherm and Kinetic Studies hafez germani nejad Amir hessam Hassani Homayon Ahmad Panahi Elham Moniri