Illustration from Scientific Research

Schematic of IF distribution visualized by a uniformly distributed control dye (top panel) and local ultraviolet (UV) laser photoactivation/uncaging of a caged dye within the IF at the enveloping layer (EVL)-DC boundary, ahead and above of the internalizing ppl (yellow square), and detection of the uncaged dye at the YSL-DC boundary (pink dashed square), ahead of the advancing ppl (bottom panel).

DOI