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STED microscopy text

Ultra-high resolution stimulated emission depletion (STED) microscopy image of a 15 mm × 15 mm region of the protruding front of a SV40T-expressing fibroblast cell, showing the actin cytoskeleton (red) and vimentin intermediate filaments (green). Photograph courtesy of Dr Annica Gad, MTC, Karolinska Institutet, Dr Daniel Rönnlund and Prof. Jerker Widengren, KTH-Royal Institute of Technology, AlbaNova University Center, Stockholm, Sweden.