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Lukinavičius, Gražvydas; Reymond, Luc; Umezawa, Keitaro; Sallin, Olivier; D’Este, Elisa; Göttfert, Fabian; Ta, Haisen; Hell, Stefan W; Urano, Yasuteru; Johnsson, Kai
Journal of the American Chemical Society, 08/2016, Letnik: 138, Številka: 30Journal Article
Here we present a far-red, silicon-rhodamine-based fluorophore (SiR700) for live-cell multicolor imaging. SiR700 has excitation and emission maxima at 690 and 715 nm, respectively. SiR700-based probes for F-actin, microtubules, lysosomes, and SNAP-tag are fluorogenic, cell-permeable, and compatible with superresolution microscopy. In conjunction with probes based on the previously introduced carboxy-SiR650, SiR700-based probes permit multicolor live-cell superresolution microscopy in the far-red, thus significantly expanding our capacity for imaging living cells.
