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Aptamers as potential tools for super-resolution microscopy

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Figure 1: Aptamers allow for better recognition of endosomes in super-resolution imaging.


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We thank K. Kröhnert for expert technical assistance, S. Wibbeke for assistance with experimental work and A. Schönle for the image acquisition software Imspector. The work was supported by a Starting Grant from the European Research Council, Program FP7 to S.O.R. (NANOMAP) and by funding provided by the US National Institutes of Health (5 R01 GM084703-02) and the Welch Foundation (F-1654) to A.D.E. Its contents are solely the responsibility of the authors and do not necessarily represent the official views of the US National Institutes of Health. T.W.G. acknowledges the support of the Interdisciplinary Center of Clinical Research at the University Hospital of the University of Erlangen-Nuremberg. M.L. acknowledges support from his Innovative Research Grant from Stand Up to Cancer, a program of the Entertainment Industry Foundation.

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Correspondence to Silvio O Rizzoli.

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Supplementary Text and Figures

Supplementary Figures 1–7 and Supplementary Methods (PDF 625 kb)

Supplementary Video 1

Live STED imaging of the c2 aptamer. Aptamer staining supplied sufficient fluorescence to be detected in both confocal or STED imaging, at a frequency of 2.8 frames per second. Note that the confocal and STED movies are not recorded in parallel. To avoid the bias introduced by bleaching, separate regions were imaged in STED or confocal mode. Scale bar, 500 nm. (MOV 8024 kb)

Supplementary Video 2

Live STED imaging of the A9 aptamer. STED and confocal movies were recorded exactly as for the c2 aptamer. Scale bar, 500 nm. (MOV 8724 kb)

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Opazo, F., Levy, M., Byrom, M. et al. Aptamers as potential tools for super-resolution microscopy. Nat Methods 9, 938–939 (2012).

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