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. 2021 Feb 5;7(1):16. doi: 10.3390/gels7010016

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© 2021 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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Optical images of HNT9-PHAD-Hgs (A1) and HNT9-PHAD-Cgs (A2) containing 2.50% (w/v) HNT, indicating that the samples are highly elastic to withstand high level of deformation under finger compression; (B1,B2) stress–strain isotherms of ternary HNTm/PHAD-Hgs for uniaxial compression in as-prepared state and that after equilibrium swelling in water; and (C) stress–strain isotherms of ternary HNTm/PHAD-Cgs after equilibrium swelling in water. HNT contents (in w/v %) are indicated in the figure.