▎ 摘　　要

In this investigation, a unique Fe3O4-supported-sulfonated graphene oxide/ polyaniline (FSGO/PANI) nano-composite was designed and further, it was evaluated for antimicrobial activity. In situ polymerization in an aqueous acidic medium using ultrasonic irradiation technique was used to create this innovative nano-composite (FSGO/PANI). FTIR, XRD, SEM, EDX, and NMR, approaches were used to characterize the surface morphologies as well as structures of the developed FSGO/PANI nano-composite. Both FTIR and NMR spectroscopy supported the existence of poly aniline (PANI). XRD data depicted that the produced nano-composite was an amorphous material. TGA data were used to confirm the thermal stability of FSGO/PANI. At 100 degrees C, the nano-composite lost weight relatively slowly (11%) and roughly (34.35%) at 400 degrees C. The FSGO/PANI nano-composite showed excellent results in form of MIC (minimum inhibitory concentration) and ZOI (zone of inhibition) against bacterial strains and fungal strains in tests for antimicrobial activity.