Alginate-Based Biomaterials in Tissue Engineering and Regenerative Medicine

Area of Science:

• Biomaterials Science
• Regenerative Medicine
• Polymer Chemistry

Background:

• Tissue engineering and regenerative medicine (TE-RM) increasingly utilize sustainable, biodegradable materials.
• Alginate, a natural anionic polymer from brown seaweed, offers biocompatibility, low toxicity, and cost-effectiveness.
• Alginate's mild gelation with divalent cations (e.g., Ca2+) is advantageous for various applications.

Purpose of the Study:

• To review the applications of alginate-based materials in tissue engineering and regenerative medicine (TE-RM).
• To highlight current trends and significant challenges associated with alginate utilization in TE-RM.
• To discuss future prospects for alginate in the field.

Main Methods:

• Literature review focusing on alginate-based materials in TE-RM.
• Analysis of alginate properties, including biocompatibility, gelation, and limitations.
• Discussion of current research trends, challenges, and future directions.

Main Results:

• Alginate is a versatile biomaterial for TE-RM, drug delivery, wound healing, and cancer therapy.
• Key properties include biocompatibility, low toxicity, cost-effectiveness, and cation-induced gelation.
• Identified challenges include low solubility, high viscosity, hydrogen bonding, and polyelectrolyte behavior.

Conclusions:

• Alginate-based materials hold significant potential for advancing TE-RM.
• Overcoming challenges in solubility and processing is crucial for expanding alginate's applications.
• Continued research into alginate modification and formulation will drive future innovations in regenerative medicine.