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. 2020 Mar 16;10:4754. doi: 10.1038/s41598-020-61725-5

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© The Author(s) 2020

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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(A) Diagram representing different layers in the electrospun patch. Seven layers of aligned electrospun PDO fibers are sandwiched between 6 layers of thin PCL electrospun grids (acting as an adhesive) in an alternate manner forming the electrospun component of the patch. The electrospun component is bound to a woven PDO monofilament layer by a single layer of aligned electrospun PCL fibers. (B) Photograph of patch sample showing white electrospun PDO layer (facing tendon) and blue woven PDO layer. (C–E) Representative scanning electron microscopy (SEM) images showing electrospun layer. (F–H) Woven layer of the patch at various magnifications shown.