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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 (https://creativecommons.org/licenses/by/4.0/).
Temperature dependences of T1 (a), T2 (b), and D (c), characterizing mobility of water in original (blue circles) and cross-linked (red triangles) hydrogels and in original gel with water replaced by 1% NaCl water solution (green star).