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Antibodies labeled with small molecules such as fluorophore, biotin or drugs play an important role in various areas of biological research, drug discovery and diagnostics. However, the majority of current methods for labeling antibodies is solution-based and has several limitations including the need for purified antibodies at high concentrations and multiple buffer exchange steps. In this study,...
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.
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