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Translation Microscopy (TRAM) for Super-Resolution Imaging

Super-resolution microscopy is transforming our understanding of biology but accessibility is limited by its technical complexity, high costs and the requirement for bespoke sample preparation. We present a novel, simple and multi-color super-resolution microscopy technique, called translation microscopy (TRAM), in which a super-resolution image is restored from multiple diffraction-limited resolution observations using a conventional microscope whilst translating the sample in the image plane. TRAM can be implemented using any microscope, delivering up to 7-fold resolution improvement. We compare TRAM with other super-resolution imaging modalities, including gated stimulated emission deletion (gSTED) microscopy and atomic force microscopy (AFM). We further developed novel ‘ground-truth’ DNA origami nano-structures to characterize TRAM, as well as applying it to a multi-color dye-stained cellular sample to demonstrate its fidelity, ease of use and utility for cell biology.


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Qiu Z, Wilson RS, Liu Y, Dun AR, Saleeb RS, Liu D, Rickman C, Frame M, Duncan RR, Lu W

Translation Microscopy (TRAM) for Super-Resolution Imaging

Sci Rep. 2016; 6: 19993. Published online 2016 Jan 29. doi: 10.1038/srep19993