Fig. 4

Confocal microscopy images of peptide-decorated POPC liposome uptake by mouse embryonic fibroblasts. MEFs exposed for 2, 4 and 6 h to 100 µM of calcein-loaded DPTE-tbFGF decorated POPC liposomes. The calcein fluorescence was imaged in the green channel with a bandpass of 515 to 555 nm (see main text for details). Scale bar is 10 μm