Cyclo- and Polyphosphazenes for Biomedical Applications.

Area of Science:

• * Inorganic Chemistry
• * Polymer Science
• * Materials Science

Background:

• * Cyclic and polyphosphazenes feature repeating -P=N- units, offering versatile chemical modification.
• * Substitution of chlorine atoms on phosphorus allows for diverse organic substituents.
• * Properties can be tailored by controlling repeating units and side groups, enabling supramolecular arrangements.

Purpose of the Study:

• * To review the biomedical applications of cyclic and polyphosphazenes.
• * To explore their potential in drug delivery, immunoadjuvant therapies, anticancer treatments, and cardiovascular disease management.
• * To describe preparation and characterization strategies for phosphazene-based biomaterials.

Main Methods:

• * Comprehensive literature review of phosphazene chemistry and applications.
• * Analysis of chemical strategies for modifying phosphazene structures.
• * Examination of phosphazene-based systems for nanoparticle, polymersome, and scaffold formation.

Main Results:

• * Phosphazenes demonstrate potential as antimicrobial agents and in drug delivery systems.
• * They show promise as immunoadjuvants in tissue engineering applications.
• * Applications in anticancer therapies and cardiovascular disease treatments are emerging.

Conclusions:

• * Phosphazene-based materials offer a unique combination of inorganic backbone and organic side groups.
• * Their versatility allows for the creation of advanced nanostructures and scaffolds for biomedical use.
• * Further research into phosphazene chemistry can lead to innovative biomaterials for diverse medical applications.