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Iron oxide nanozymes: Fe3O4, gamma-Fe2O3 NZs (products with different sizes, morphologies, and surfaces are available)

It has pH-dependent peroxidase-like and catalase activities, especially under acidic conditions, it can efficiently catalyze the production of hydroxyl radicals by hydrogen peroxide, and has antibacterial and killing tumor cell functions (chemodynamic therapy). Magnetic oxidation Iron nanoparticles also have functions such as magnetic separation, magnetic resonance imaging, magnetic induction tumor hyperthermia, drug loading and magnetic targeting, long-term sustained release iron supplementation, promotion of M1 and M2 transformation of macrophages, and promotion of bone tissue repair.