Figure 4.

Cellular uptake of coumarin-6-loaded 5% DMAB-modified PLGA nanoparticles (ANP), unmodified PLGA-TPGS nanoparticles (BNP) and 5% DMAB-modified PLGA-TPGS nanoparticles (CNP) by a Caco-2 and b MCF-7 cells after 2-h incubation.

Chen et al. Nanoscale Res Lett 2011 6:4   doi:10.1007/s11671-010-9741-8