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Beyond the diffraction limit: STED
Finer detail: Immunostained nuclear pore complexes in so-called "HeLa" cells (NUP153-ATTO 647N) illustrate the resolution enhancement achieved with Leica TCS SP8 STED 3X and the 775nm pulsed STED laser (right images) compared to the resolution achieved with confocal microscopy. Image: Leica Microsystems.
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