Figure 13.

Intracellular uptake of PHPP-SMNPs. Cells alone (a,b), and cells incubated with 50 μmol L−1PHPP-SMNPs for 4 h (c,d)

Chen et al. Nanoscale Research Letters 2009 4:400-408   doi:10.1007/s11671-009-9254-5