Chitosan as a matrix of nanocomposites: A review on nanostructures, processes, properties, and applications

Chitosan is a biopolymer that is natural, biodegradable, and relatively low price. Chitosan has been attracting interest as a matrix of nanocomposites due to new properties for various applications. This study presents a comprehensive overview of common and recent advances using chitosan as a nanoco...

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Bibliographic Details
Published in:Carbohydrate polymers 2021-11, Vol.272, p.118472, Article 118472
Main Authors: Silva, Angelo Oliveira, Cunha, Ricardo Sousa, Hotza, Dachamir, Machado, Ricardo Antonio Francisco
Format: Article
Language:English
Subjects:
3D printing
Animals
Biocompatible Materials - chemistry
Chitosan - chemistry
Chitosan nanocomposites
Electrospinning
Humans
Nanocomposites - chemistry
Nanostructures - chemistry
Nanotechnology
Printing, Three-Dimensional
Scaffolds
Tissue Engineering - methods
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Summary:Chitosan is a biopolymer that is natural, biodegradable, and relatively low price. Chitosan has been attracting interest as a matrix of nanocomposites due to new properties for various applications. This study presents a comprehensive overview of common and recent advances using chitosan as a nanocomposite matrix. The focus is to present alternative processes to produce embedded or coated nanoparticles, and the shaping techniques that have been employed (3D printing, electrospinning), as well as the nanocomposites emerging applications in medicine, tissue engineering, wastewater treatment, corrosion inhibition, among others. There are several reviews about single chitosan material and derivatives for diverse applications. However, there is not a study that focuses on chitosan as a nanocomposite matrix, explaining the possibility of nanomaterial additions, the interaction of the attached species, and the applications possibility following the techniques to combine chitosan with nanostructures. Finally, future directions are presented for expanding the applications of chitosan nanocomposites. [Display omitted] •Reviewed studies and concepts about chitosan as a matrix of nanocomposites focusing on structure and microstructure•Influence of chitosan physical and chemical modifications aimed at a nanocomposite production•Description of common and special shaping techniques (3D printing, electrospinning)•Current trends, challenges of chitosan nanocomposites in several types of applications
ISSN:0144-8617
1879-1344
1879-1344
DOI:10.1016/j.carbpol.2021.118472