Antimicrobial activity of mesoporous organic functionalized hexagon Fe3O4 nanosheets for wastewater treatment

Abstract

Nano iron oxide has shown great potential to function as a universal and low-cost antimicrobial agent. In this work, we fabricated a new class of mesoporous hexagon magnetic iron oxide nanosheets (HMI-NS) modified by 3-aminopropyltriethoxysilane (APTES) through a simple synthesis route as a novel vehicle tracking building (VTB) antimicrobial agent. The VTB-MHI-NSs had a uniform platform-like structure with an average size of 45 nm and well-scattered active sites in the inner core and saline shell with microbicidal effect. Tests revealed that the modification of iron oxide nanosheets caused an improvement in antimicrobial activity against bacteria and fungi. The developed bioactive behavior of The VTB-MHI-NSs can be due to the system architectures, arrangement of crystal atomic-scale, and mesopore windows. This organically functionalized tailoring of The VTB-MHI-NSs can influence the particle size, shape, and surface properties, thereby creating significant extracellular interactions and exerting intracellular effects that cause antimicrobial activity. The appropriate functionalization of the hexagonal outer surface of the mesopore windows enabled the modulation of loading and microbial cell interaction and played a key role in offering sustained platform-like nanosheets that attached to the microbe, causing cell death. Therefore, the mesoporous organic functionalized hexagon iron oxide nanosheets can be considered in water future clean-up processes.