Drug delivery strategies using polysaccharidic gels.

Area of Science:

• Biomaterials Science
• Polymer Chemistry
• Pharmaceutical Sciences

Background:

• Hydrogels are water-swollen polymer networks with diverse crosslinking methods.
• Polysaccharides offer advantages over synthetic polymers, including biocompatibility, abundance, and renewable sourcing.
• These properties make polysaccharides highly suitable for pharmaceutical applications.

Purpose of the Study:

• To review the potential of polysaccharides, specifically alginate and xyloglucan, in pharmaceutical hydrogel development.
• To highlight the advantages of polysaccharide-based hydrogels, particularly physical gels, for various applications.
• To compare the properties and applications of alginate and xyloglucan in hydrogel formulations.

Main Methods:

• Literature review focusing on alginate and xyloglucan hydrogels.
• Analysis of physicochemical properties and biocompatibility of selected polysaccharides.
• Discussion of physical versus chemical crosslinking in polysaccharide hydrogels.

Main Results:

• Alginate is a well-established polysaccharide with numerous industrial applications in hydrogels.
• Xyloglucan, though less studied, exhibits promising properties for future pharmaceutical uses.
• Physical gels derived from polysaccharides may offer advantages over chemically crosslinked counterparts.

Conclusions:

• Polysaccharides represent a valuable class of materials for advanced pharmaceutical hydrogels.
• Alginate and xyloglucan are key examples demonstrating the versatility and potential of these natural polymers.
• Further research into xyloglucan and physical gelation could unlock significant advancements in drug delivery and regenerative medicine.