Synthesis of Magnetic Mesoporous Fe3O4@SB Nanocomposite Adsorbent for Efficient Removal of Pharmaceutical Active Compounds from Water Solution Somayyeh Shenavaie asl, Afshin Pourahmad*, Somayyeh Rostamzadeh Mansour, Nastaran Sohrabi-Gilani, 10.57647/j.ijc.2026.1602.16