Polyamidoamine-functionalized graphene oxide–SBA-15 mesoporous composite: adsorbent for aqueous arsenite, cadmium, ciprofloxacin, ivermectin, and tetracycline RV Xikhongelo, FM Mtunzi, PN Diagboya, BI Olu-Owolabi, RA Düring Industrial & Engineering Chemistry Research 60 (10), 3957-3968, 2021 | 43 | 2021 |