Superparamagnetic magnetite nanoparticles with a diameter of 24 – 26 nm and a low size dispersity (≤7%) as measured by Small Angle X-ray Scattering (SAXS). The cores are coated with a monolayer of oleic acid, a monolayer of an amphiphilic polymer, and a monolayer of methoxypolyethylene glycol (mPEG).
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