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  • Title: A 3D-printable TEMPO-oxidized bacterial cellulose/alginate hydrogel with enhanced stability via nanoclay incorporation.
    Author: Wei J, Wang B, Li Z, Wu Z, Zhang M, Sheng N, Liang Q, Wang H, Chen S.
    Journal: Carbohydr Polym; 2020 Jun 15; 238():116207. PubMed ID: 32299554.
    Abstract:
    Three-dimensional (3D) printing offers a novel approach to manufacture repeatable personalized structures for mass customization in medical fields. Considering the resemblance of materials in composition and microstructure to biological tissues, polysaccharide-based hydrogel is a promising printing material. However, its long-term stability of structure has always been a problem. In this work, we showed a green nanocomposite printing ink based on 2,2,6,6-tetramethylpiperidinyl-1-oxyl (TEMPO)-oxidized bacterial cellulose (TOBC), sodium alginate (SA) and laponite nanoclay (Xls). The TOBC/SA/Xls hydrogel prepared by the 3D printing ink not only exhibited structural stability, but also performed a long-term release behavior of protein which could be attractive in medical application of drug release, biomedical devices and tissue engineering.
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