Fig. 1: Experimental setup of MANSIONs for observing cell-sized liposomes.

a, b Schematic illustrations of the whole system (a) and the trapping device (b). c A picture of the actual setup. d Representative epi-fluorescence microscopy image of the trapped liposomes in one field of view. Large circular structures to trap the liposome are overwritten in gray line. Scale bar: 100 µm.