390182.fig.002a
(a)
390182.fig.002b
(b)
Figure 2: Transmission electron microscopy images of RBL-2H3 cells (a) 5 min after incubation of nanosensors and (b) 60 min after incubation with nanosensors. Arrows are added to pinpoint locations of nanosensors within the cells. Bars = 500 nm. Reprinted with permission from Nowak-Lovato et al. [11] (copyright 2010 Springer).