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Sulfated Alginate for Biomedical Applications.

Alexandra L Mutch1, Jiankun Yang1, Vito Ferro1

  • 1School of Chemistry and Molecular Biosciences, The University of Queensland, Australia.

Macromolecular Bioscience
|July 30, 2024
PubMed
Summary
This summary is machine-generated.

Sulfated alginate (S-Alg) shows promise as a heparin-mimetic drug and biomaterial component. Recent advances focus on synthesis, characterization, and diverse material fabrication for drug delivery and antitumor applications.

Keywords:
alginate sulfatebiomaterialsheparin‐binding proteinspropylene glycol alginate sodium sulfate (PSS)therapeutic delivery

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Area of Science:

  • Biomaterials Science
  • Polymer Chemistry
  • Drug Delivery

Background:

  • Alginate (Alg) polymers offer mild gelation and biocompatibility but have limited biomolecule interactions.
  • Chemically modified alginates, particularly sulfated alginate (S-Alg), are of significant interest.
  • S-Alg acts as a heparin-mimetic, explored as both a drug and a biomaterial component.

Purpose of the Study:

  • To review the literature on sulfated alginate (S-Alg) from 2017-2023.
  • To highlight advances in S-Alg synthesis, characterization, and material fabrication.
  • To discuss S-Alg applications, including its role as an antitumor agent and in drug delivery systems.

Main Methods:

  • Review of S-Alg synthesis methodologies, focusing on characterization and stereoselectivity.
  • Analysis of S-Alg material fabrication techniques (bulk, particles, scaffolds, coatings, multicomponent).
  • Evaluation of S-Alg applications in drug encapsulation/release and antitumor therapy, including safety and biodistribution studies.

Main Results:

  • S-Alg synthesis has seen new advances in characterization and stereoselectivity.
  • S-Alg is fabricated into diverse material forms for various applications.
  • S-Alg demonstrates potential as an antitumor agent and in controlled drug delivery due to its binding affinity.

Conclusions:

  • S-Alg is a versatile biomaterial with growing applications in medicine and drug delivery.
  • Further research should focus on standardized material property reporting, optimized sulfation, alternative cross-linking, and comprehensive safety studies.
  • S-Alg's heparin-mimetic properties are key to its utility in biomaterial design.