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. 2021 Jun 24;13(13):2080. doi: 10.3390/polym13132080

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

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Alginate sphere structure interacting with GSH and calcium ions. (A) Complete view of the alginate sphere in a surface representation with two GSH molecules in the alginate, along with calcium ions interacting with the structure. (B) Licorice representation and the two GSH (in yellow and blue color) in the alginate sphere. (C,D) Two close views of the interaction zone of the GSH and alginates. (E,H) Two closed views of the interaction zone highlighting the monomer of alginates that interact with the GSH. (F,G) A close-up view of the first GSH that interacts with alginate. Additionally, in (G), the distances of the functional groups that interact between the two structures are represented. (I,J) The close-up view of the second GSH that interacts with alginate. Additionally, (J) shows the distances of the functional groups that interact between the two structures.