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. 2018 Dec 13;11(12):2535. doi: 10.3390/ma11122535

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© 2018 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Contact angle of BF chitosan/PVP matrices (N₂ bubbling). Data expressed as mean ± SD (n = 3). Contact angle does not differ significantly between radiation doses of 0 and 5 kGy (* means statistically significant with p < 0.05).