Chitin and its derivatives: Structural properties and biomedical applications

Area of Science:

• Biomaterials Science
• Polymer Chemistry
• Biomedical Engineering

Background:

• Chitin is an abundant natural polysaccharide, second only to cellulose.
• Chitin's insolubility limits applications, but its derivative, chitosan, is soluble and widely used.
• Chitosan's primary amino group allows for easy chemical modification.

Purpose of the Study:

• To review the structural properties of chitin and its derivatives.
• To highlight the biomedical implications of chitin and chitosan.
• To discuss the limitations and future prospects of these natural polysaccharides.

Main Methods:

• Literature review of chitin and chitosan properties.
• Analysis of chemical modifications and structural features.
• Synthesis of information on biomedical applications.

Main Results:

• Chitin and chitosan possess versatile structural characteristics.
• Numerous biomedical applications are identified, including tissue engineering, drug delivery, diagnostics, molecular imaging, antimicrobial activity, and wound healing.
• The chemical modifiability of chitosan is a key feature for its utility.

Conclusions:

• Chitin and chitosan are promising natural polymers for biomedical use.
• Further research can overcome current limitations and expand their applications.
• These polysaccharides represent a valuable resource for developing innovative medical solutions.