In Vivo Labeling Method Using a Genetic Construct for Nanoscale Resolution Microscopy

We demonstrate beam scanning-stimulated emission depletion microscopy with in vivo labeled cells. A red emitting fluorescent dye is introduced into membrane protein fused to a multifunctional reporter protein (HaloTag, Promega, Madison, WI) in live cells. This approach allows superresolution stimulated emission depletion imaging without the limitations of immunofluorescence-based staining. Noninvasive optical imaging is still an …

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