Figure 4. Cellular Uptake of Nanoliposomes.
(A) Spectrophotometer measurements of internalized fluorescently-labeled nanoliposomes (NL) reveal time-dependent uptake of NLs by cultured ECs (n = 5 replicates per condition). ***p < 0.001; ns, no significance. (B) Fluorescent images of internalized NLs indicate strong colocalization with LysoTracker Red™-labeled endocytic vesicles (lysosomes and endosomes). Scale bar: 10 μm. Data are expressed as mean ± SEM.