An increasing interest in medical application of nanotechnology has heightened the need for synthesis of nanoparticles with well-defined dimensions and multifunctionalities. Based on template synthesis method, magnetic nanotubes (MNT) were successfully prepared with precise morphology control. The MNTs have super magnetic properties, including high saturation magnetization and magnetic resonance relaxivities. Cytotoxicity and cellular uptake of SNTs were investigated for primary and cancer cells. The nanotubes showed limited toxicity which was concentration-, surface charge-, and length- dependent. The internalization was confirmed with both confocal microscopy and TEM studies. These studies were directed by Professor Sang Bok Lee.

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