Highly dispersed g-C۳N۴ quantum dots/PEI-coated Zn۰.۳۹Fe۲.۶۱۰۴ nanocomposite fabricated by microwave-assisted precipitation for biomedical application

A g-C۳N۴ quantum dots/Polyethylenimine (PEI)-coated Zn۰.۳۹ Fe۲.۶۱۰۴ nanocomposite was synthesized through microwave-assisted co-precipitation, PEI surface modification, and subsequent integration with g-C۳N۴ QDs. Structural analysis by XRD confirmed the cubic spinel phase of Zn-doped magnetite and the characteristic (۰۰۲) peak of g-C۳N۴ QDs. FESEM and EDS revealed uniform spherical nanoparticles with the expected elemental composition. Magnetic measurements showed superparamagnetic behavior with enhanced saturation magnetization. Cytocompatibility evaluated by MTT assay demonstrated that L۹۲۹ cells maintained over ۱۰۰% viability at concentrations up to ۲۰۰ μg/mL, indicating excellent biocompatibility. The nanocomposite shows promise for biomedical and catalytic applications.

کلیدواژه ها:

g-C۳N۴ QDs ، PEI ، Microwave-assisted ، Cytocompatibility