11_12b/2009Adv. Eng. Mater. 12/2009

The TEM observations of the PVA-coated magnetite nanoparticles reveal the significant influence of the coating material on the shape, size and size distribution of nanoparticles in the comparison to the bare SPIONs. Nanobeads (with a mean size of 85 nm confirmed by DLS), or random dispersions of the nanoparticles in polymeric beads, appear to have formed as a result of the film-formation properties of PVA. The Cover shows the schematic representation of the formation of the nanobeads.

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