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. 2019 Dec 5;10:5562. doi: 10.1038/s41467-019-13512-8

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© The Author(s) 2019

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as 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. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 1 — a SEM image of the superhydrophobic CNF/PTFE Ti surface and a water droplet sitting on this surface demonstrates excellent superhydrophobicity. b Long fibrin fibers generated at the receding side of a 10 μl EDTA PPP droplet. c Touch-lift test of a PPP droplet on the CNF surface, showing fiber generation upon EDTA PPP-substrate separation. d Zoomed-in sequential frames of the fiber generation and fracture during the EDTA PPP droplet (20 μl) rolling down motion (Supplementary Movie 1). e Visible fibrin fiber footprints left on the CNF surface after the PPP sliding test (inset is a top view). Scale bar is 10 μm in a.