Journal
PHARMACEUTICS
Volume 14, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/pharmaceutics14091978
Keywords
3D bioprinting; bioink; biomaterials; chitosan; tissue engineering; drug delivery
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Bioprinting is a promising technology for developing functional tissue constructs and controlled drug delivery systems. Chitosan, a natural polysaccharide, is an attractive bioink for tissue regeneration and restoration.
Bioprinting is an emerging technology with various applications in developing functional tissue constructs for the replacement of harmed or damaged tissues and simultaneously controlled drug delivery systems (DDSs) for the administration of several active substances, such as growth factors, proteins, and drug molecules. It is a novel approach that provides high reproducibility and precise control over the fabricated constructs in an automated way. An ideal bioink should possess proper mechanical, rheological, and biological properties essential to ensure proper function. Chitosan is a promising natural-derived polysaccharide to be used as ink because of its attractive properties, such as biodegradability, biocompatibility, low cost, and non-immunogenicity. This review focuses on 3D bioprinting technology for the preparation of chitosan-based hydrogel scaffolds for the regeneration of tissues delivering either cells or active substances to promote restoration.
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