纤维素
生物相容性
材料科学
组织工程
再生(生物学)
药物输送
细菌纤维素
生物医学工程
骨组织
复合数
生物降解
化学
纳米技术
复合材料
有机化学
医学
冶金
生物
细胞生物学
作者
Mahsa Janmohammadi,Zahra Nazemi,Amin Orash Mahmoud Salehi,Amir Seyfoori,Johnson V. John,Mohammad Sadegh Nourbakhsh,Mohsen Akbari
标识
DOI:10.1016/j.bioactmat.2022.05.018
摘要
Natural bone constitutes a complex and organized structure of organic and inorganic components with limited ability to regenerate and restore injured tissues, especially in large bone defects. To improve the reconstruction of the damaged bones, tissue engineering has been introduced as a promising alternative approach to the conventional therapeutic methods including surgical interventions using allograft and autograft implants. Bioengineered composite scaffolds consisting of multifunctional biomaterials in combination with the cells and bioactive therapeutic agents have great promise for bone repair and regeneration. Cellulose and its derivatives are renewable and biodegradable natural polymers that have shown promising potential in bone tissue engineering applications. Cellulose-based scaffolds possess numerous advantages attributed to their excellent properties of non-toxicity, biocompatibility, biodegradability, availability through renewable resources, and the low cost of preparation and processing. Furthermore, cellulose and its derivatives have been extensively used for delivering growth factors and antibiotics directly to the site of the impaired bone tissue to promote tissue repair. This review focuses on the various classifications of cellulose-based composite scaffolds utilized in localized bone drug delivery systems and bone regeneration, including cellulose-organic composites, cellulose-inorganic composites, cellulose-organic/inorganic composites. We will also highlight the physicochemical, mechanical, and biological properties of the different cellulose-based scaffolds for bone tissue engineering applications.
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