Cellular internalization efficacy of NChitosan-DMNPs. (a) Fluorescence image of NChitosan-DMNP-treated cells (i, merged image; ii, blue filter for Hoechst; iii, red filter for DOX). (b)T2-weighted MR image and graph of △R2/R2 non-treatment for NChitosan-DMNP-treated cells. Scale bars 50 μm.
Lim et al. Nanoscale Research Letters 2013 8:467 doi:10.1186/1556-276X-8-467