Techniques, applications and prospects of polysaccharide and protein based biopolymer coatings: A review

The growing relevance of sustainable materials has recently led to the exploration of naturally derived biopolymeric hydrogels as coating materials due to their biodegradability, biocompatibility, ease of fabrication and modification. Although many review articles exist on biopolymeric coatings, the...

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Bibliographic Details
Published in:International journal of biological macromolecules 2024-05, Vol.266 (Pt 2), p.131104-131104, Article 131104
Main Authors: Swarupa, Sanchari, Thareja, Prachi
Format: Article
Language:English
Subjects:
3D scaffolds
Animals
Anticorrosive
Biomedical implants
Biopolymers
Biopolymers - chemistry
Coated Materials, Biocompatible - chemistry
Coating
Food packaging
Humans
Hydrogels - chemistry
Nanoparticles
Polysaccharides - chemistry
Proteins - chemistry
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Summary:The growing relevance of sustainable materials has recently led to the exploration of naturally derived biopolymeric hydrogels as coating materials due to their biodegradability, biocompatibility, ease of fabrication and modification. Although many review articles exist on biopolymeric coatings, they mainly focus on a specific polysaccharide, protein biopolymer, or a particular application- biomedical engineering or food preservation. The current review first summarizes the commonly used polysaccharide and protein-based biopolymers like chitosan, alginate, carrageenan, pectin, cellulose, starch, pullulan, agarose and silk fibroin, gelatin, respectively, with a systematic description of the techniques widely used for physical coating on substrates. Then, broad applications of these biopolymeric coatings on various substrates in biomedical engineering- 3D scaffolds, biomedical implants, and nanoparticles are described in detail. It also entails the application of biopolymeric coatings for food preservation in the form of food packaging and edible coatings. A brief discussion on the newly discovered interest in exploring biopolymers for anticorrosive coating applications is also included. Finally, concluding remarks on the role of biopolymer microstructures in forming homogeneous coatings, prospective alternatives to the currently used biopolymers as coating material and the advent of computer-aided technologies to expedite experimental findings are presented.
ISSN:0141-8130
1879-0003
DOI:10.1016/j.ijbiomac.2024.131104