期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 241, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.ijbiomac.2023.124557
关键词
Cellulose nanocrystals (CNC); Composite materials; Preparation technology; Drug delivery; Drug release characteristics
Cellulose nanocrystals (CNC) are extensively used in various fields due to their renewability, excellent biocompatibility, large specific surface area, and high tensile strength. CNC can be extracted from biomass wastes through acid hydrolysis, enzymatic hydrolysis, oxidation hydrolysis, and other mechanical methods. Developing CNC-based carrier materials from biomass wastes is an effective strategy to promote their high value-added application.
Cellulose nanocrystals (CNC) have been extensively used in various fields due to their renewability, excellent biocompatibility, large specific surface area, and high tensile strength. Most biomass wastes contain significant amounts of cellulose, which forms the basis of CNC. Biomass wastes are generally made up of agricultural waste, and forest residues, etc. CNC can be produced from biomass wastes by removing the non-cellulosic components through acid hydrolysis, enzymatic hydrolysis, oxidation hydrolysis, and other mechanical methods. However, biomass wastes are generally disposed of or burned in a random manner, resulting in adverse environmental consequences. Hence, using biomass wastes to develop CNC-based carrier materials is an effective strategy to promote the high value-added application of biomass wastes. This review summarizes the advantages of CNC applications, the extraction process, and recent advances in CNC-based composites, such as aerogels, hydrogels, films, and metal complexes. Furthermore, the drug release characteristics of CNC-based material are discussed in detail. Additionally, we discuss some gaps in our understanding of the current state of knowledge and potential future directions of CNC-based materials.
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