Inorganic/organic combination: Inorganic particles/polymer composites for tissue engineering applications

Area of Science:

• Biomaterials Science
• Tissue Engineering
• Regenerative Medicine

Background:

• Biomaterials, particularly inorganic particle/polymer composites, offer unique properties mimicking natural hybrid systems like bone.
• Research in these composites has surged, focusing on replicating nature's advanced material designs for biomedical applications.

Purpose of the Study:

• To review recent advancements in inorganic particle/polymer composites for tissue engineering and regenerative medicine.
• To highlight the advantages of these composites over organic particle-based alternatives.
• To emphasize the critical role of inorganic particles in defining composite features and regenerative potential.

Main Methods:

• Categorization of inorganic particles into solid (e.g., calcium phosphate, hydroxyapatite) and porous (e.g., mesoporous silica, porous silicon) types.
• Discussion of other inorganic materials like 2D materials and clays in polymer composites.
• Inclusion of recent examples and expert analysis of current limitations and future potential.

Main Results:

• Inorganic particle/polymer composites exhibit superior structural and biochemical properties compared to organic counterparts.
• Various inorganic particles, including solid, porous, 2D, and clay-based materials, are crucial for tailoring composite performance.
• Current composites face limitations, but new generations show immense promise for advanced tissue regeneration.

Conclusions:

• Inorganic particle/polymer composites represent a significant leap in tissue engineering, offering tunable properties for regenerative applications.
• The strategic selection and design of inorganic particles are key to maximizing the efficacy of these biomaterials.
• Future research should address current limitations and explore novel composite designs for enhanced therapeutic outcomes.