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. 2017 Mar 14;7:44495. doi: 10.1038/srep44495

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This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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Static water contact angle (θ_st) values were measured on PDMS and glass with different treatments. Insets: digital images of water droplets (10 μL in volume) placed onto each substrate.