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. 2021 Jul 16;11:14570. doi: 10.1038/s41598-021-93951-w

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© The Author(s) 2021

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 licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence 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 licence, visit http://creativecommons.org/licenses/by/4.0/.

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(a,b) Representative images of (a) non-pored and (b) pored scaffolds. Half of the decellularized scaffolds was treated with a microscopic patented perforative treatment using a Quantum Molecular Resonance current generator (VESALIUS) connected to a 300 μm-diameter needle, generating up to 1000 micropores/cm². The macroscopic examination showed a slightly increased stiffness and a decreased thickness in the pored samples, which also showed a more transparent appearance compared to the non-pored ones.