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. 2016 Feb 4;11:66. doi: 10.1186/s11671-016-1260-9

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© Márquez-Miranda et al. 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 6 — a Summary of the percentage of time occupancy (y axis) of contacts at 3.5 Å between each type of nucleotide base (x axis) considering phosphate (PO), sugar, and base groups and PAMAM-NH₂. b Histogram of the electrostatic interaction energy of a single nucleotide base (A, T, C, G) and amine-terminal groups of PAMAM-NH₂, obtained from the last 10 ns of MD trajectory