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Rheological and Ion-conductive Properties of Injectable and Self-healing Hydrogels Based on Xanthan Gum and Silk Fibroin by Ruquan Zhang; Yongzhen Tao; Qianru Xu; Nian Liu; Pu Chen; Yingshan Zhou; Zikui Bai is a Materials Science article available to read on EtoBox.
What is Rheological and Ion-conductive Properties of Injectable and Self-healing Hydrogels Based on Xanthan Gum and Silk Fibroin about?
The hydrogels with injectable and self-healing properties were prepared from xanthan gum (XG) and silk fibroin (SF) by using sodium trimetaphosphate (STMP) as crosslinker. A three-stage model of oscillation-shearoscillation experiment was designed to mimic injection process and to observe destruction and regeneration of the hydrogels after shear. The XG3-SF-STMP hydrogels immediately recovered to original storage modulus of 80.6%-93.8% on removing shear. The hydrogels were 3D printed into the self-supporting constructions of hydrogel fibers with connected porous structures, and the XG3-SF-STMP hydrogel fibers exhibited smaller width than XG3-STMP. Oscillation rheological behavior indicated that XG3-SF-STMP hydrogels formed rapidly and exhibited more solid-like gel behavior than XG3-STMP. The hydrogel structures were destroyed under a strain (100%) larger than critical strain, but were rebuilt under a small strain (1%) with recovery ratio of 91.36-93.96% within 120 s, suggesting a self-healing property. Introduction of SF particles into XG3-STMP crosslinked networks improved stiffness and retained recoverability. Carboxyl and phosphate groups in the hydrogel networks are beneficial
Who reads Rheological and Ion-conductive Properties of Injectable and Self-healing Hydrogels Based on Xanthan Gum and Silk Fibroin?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- Ruquan Zhang; Yongzhen Tao; Qianru Xu; Nian Liu; Pu Chen; Yingshan Zhou; Zikui Bai
- Publisher
- Elsevier BV
- Published
- 2020
- Language
- EN
- Field
- Materials Science (Physical Sciences)