Extended Data Fig. 2: The effect of sensor size on pharyngeal accumulation efficiency.
From: Upconverting microgauges reveal intraluminal force dynamics in vivo
a, An SEM micrograph of microgauges on E. coli for size comparison. b, A TEM micrograph of a microgauge. TEM micrographs of core@shell NaY0.8Yb0.18Er0.02F4@NaYF4 UCNPs c, before and d, after wrapping with PMAO. Wrapped nanoparticles were dropcast from water. A series of bright field images of levamisole-treated worms after one-hour incubation with e, microgauges or f, singly dispersed PMAO-wrapped UCNPs. Scale bars are each 100 µm. False-colored UCL images (cyan) of the boxed pharyngeal regions are displayed in the inset of each picture, when applicable. Inset scale bars are each 20 µm each. The anterior of each animal is to the left.
