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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,… Click to show full 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.
Journal Title: Carbohydrate polymers
Year Published: 2020
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