Research Article

Cyclic Strain Enhances Cellular Uptake of Nanoparticles

Figure 2

Cellular uptake of fluorescent NPs by the cells on plates with different strain ratio (0%, 5%, 10%, and 15%) (scale bar: 20 μm). Cells were cultured on substrates for 24 h before loading the NPs. Images were taken after loading the NPs for 1 h.