title: In this special issue.
authors.affiliation: University of Zurich, 8091, Zurich, Switzerland, jurgen.roth@bluewin.ch.
authors.forename: Jürgen
authors.initials: J
authors.lastname: Roth
authors.forename: Mike
authors.initials: M
authors.lastname: Heilemann
mesh_terms: D005456:Fluorescent Dyes / Q000737:chemistry; D008856:Microscopy, Fluorescence; D057054:Molecular Imaging; D011506:Proteins / Q000032:analysis*
chemical_list: D005456:Fluorescent Dyes; D011506:Proteins