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. 2017 Nov 10;4(1):17. doi: 10.1186/s40638-017-0075-1

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© The Author(s) 2017

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 — Robotics multi-nozzle electrospinning was designed by Wang et al. [66]. a The overall structure of the multi-nozzle electrospinning. b Single-nozzle NFES. c Double-nozzle NFES. d Triple-nozzle NFES