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. 2022 Sep 19;14(9):1978. doi: 10.3390/pharmaceutics14091978

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© 2022 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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Digital images of TCNF gel 1.25 wt.% (a_i), 1.75 wt.% (a_ii), and TCNF/casein conjugate (1.75 wt.%) (a_iii); 3D printed model and printing process (a_iv,a_v), 3D printed TCNF ((b_i) front view), ((b_ii) side view) and TCNF/casein ((b_iii) front view), ((b_iv) side view); freeze-dried 3D printed TCNF ((c_i) front view), ((c_ii) side view) and TCNF/casein after cross-linking with chitosan ((c_iii) front view), ((c_iv) side view). Adapted with permission from [60]. Copyright 2022, American Chemical Society.