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. 2023 Jan 8;24(2):1230. doi: 10.3390/ijms24021230

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© 2023 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 (https://creativecommons.org/licenses/by/4.0/).

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(A) Hydrogel CMC-E3, (B) Hydrogel HEC-E3, (C) Hydrogel CMC-E5 and swelling percentage of the hydrogels (D) at 25 °C for 24 h, and (E) at 35 °C for 24 h; (F) FTIR spectra of CMC-E3 hydrogel, CMC and cellulose powder; scanning electron microscopic images of hydrogels (G) CMC-E3, (H) HEC-E3 and (I) CMC-E5.

(A) Hydrogel CMC-E3, (B) Hydrogel HEC-E3, (C) Hydrogel CMC-E5 and swelling percentage of the hydrogels (D) at 25 °C for 24 h, and (E) at 35 °C for 24 h; (F) FTIR spectra of CMC-E3 hydrogel, CMC and cellulose powder; scanning electron microscopic images of hydrogels (G) CMC-E3, (H) HEC-E3 and (I) CMC-E5.