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. 2017 Feb 24;12(2):e0173050. doi: 10.1371/journal.pone.0173050

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© 2017 Gomes de Castro et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 4 — (A-C) Examples of comparable STED images with single aptamers or single antibody packages (primary-secondary) seeded on glass coverslips. Scale bar (top image on panel A) represents 500 nm. The plots associated display the average intensity from more than thousand spots of single antibody packages expressed as fold of single aptamer intensity. Error bars are the SEM of 3 independent experiments.