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Preparation and Properties of Semi-Interpenetrating Silk Fibroin Protein Hydrogels with Integrated Strength and Toughness AITranslate

Qian Chen; Yuanhao Sima; Zhihao Liu; Yang Wang; Lan Shen; Chaoqun Zhang; Huichao Yan;
South China Agricultural University; South China Agricultural University; South China Agricultural University; South China Agricultural University; South China Agricultural University; South China Agricultural University; South China Agricultural University
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Publisher: ACS
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Abstract AITranslate

Two series of semi-interpenetrating network hydrogels (P(AAN-co-AAM)-SF and P(AA-co-AAM)-SF) were constructed through one-step blending of silk fibroin with sodium acrylate or acrylic acid followed by ultraviolet (UV)-initiated free-radical copolymerization. The resulting silk fibroin composite hydrogels exhibited excellent mechanical properties due to the semi-interpenetrating network hydrogel formed by sodium polyacrylate and silk fibroin. Specifically, the P(AAN-co-AAM)-SF hydrogel showed a high fracture stress of 1.01 MPa, an elongation at break of 2000%, a high compressive strength of 17 MPa, and could be compressed up to 200 cycles without damage. Compared with other silk fibroin hydrogels, this work was in a leading position in terms of mechanical properties and antidrying ability. In addition, silk fibroin-based hydrogels showed no cytotoxicity, certain UV-shielding ability, and were specifically poured into pig tracheal sections, indicating the potential for future use as biological materials.

KeyWords AITranslate

silk fibroinbased hydrogel semiinterpenetrating network dry resistant high strength and toughness
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Basic Information:

DOI：https://doi.org/10.1021/acsapm.1c01670

Chinese Library Classification Number:

Citation Information:

Two series of semi-interpenetrating network hydrogels (P(AAN-co-AAM)-SF and P(AA-co-AAM)-SF) were constructed through one-step blending of silk fibroin with sodium acrylate or acrylic acid followed by ultraviolet (UV)-initiated free-radical copolymerization. The resulting silk fibroin composite hydrogels exhibited excellent mechanical properties due to the semi-interpenetrating network hydrogel formed by sodium polyacrylate and silk fibroin. Specifically, the P(AAN-co-AAM)-SF hydrogel showed a high fracture stress of 1.01 MPa, an elongation at break of 2000%, a high compressive strength of 17 MPa, and could be compressed up to 200 cycles without damage. Compared with other silk fibroin hydrogels, this work was in a leading position in terms of mechanical properties and antidrying ability. In addition, silk fibroin-based hydrogels showed no cytotoxicity, certain UV-shielding ability, and were specifically poured into pig tracheal sections, indicating the potential for future use as biological materials.

quote

GB/T 7714-2015 [1] Qian Chen, Yuanhao Sima, Zhihao Liu, et al. ACS Applied Polymer Materials, 2022(4). DOI:10.1021/acsapm.1c01670.
MLA [1] Qian Chen, et al., ACS Applied Polymer Materials, no. 4, 2022, https://doi.org/10.1021/acsapm.1c01670.
APA [1] Qian Chen, Yuanhao Sima, Zhihao Liu, Yang Wang, Lan Shen, Chaoqun Zhang, & Huichao Yan. (2022). ACS Applied Polymer Materials(4). https://doi.org/10.1021/acsapm.1c01670
IEEE [1] Qian Chen, Yuanhao Sima, Zhihao Liu, Yang Wang, Lan Shen, Chaoqun Zhang, and Huichao Yan, ACS Applied Polymer Materials, no. 4, 2022, doi: 10.1021/acsapm.1c01670. keywords: {silk fibroinbased hydrogel;semiinterpenetrating network;dry resistant;high strength and toughness}