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The use of dual-objective detection with astigmatism-based three-dimensional stochastic optical reconstruction microscopy (STORM) imaging improves resolution more than twofold and removes noise in resulting super-resolution images. This allowed detailed fluorescence imaging of distinctive features of the three-dimensional actin cytoskeleton ultrastructure with single-filament resolution in cells.
A simple, general procedure for transferring protein complexes directly from native gels to electron microscopy grids for structural analysis is reported.