Mesoporous silica nanoparticles for therapeutic/diagnostic applications

Area of Science:

• Biomedical Engineering
• Materials Science
• Nanotechnology

Background:

• Mesoporous silica nanoparticles (MSNs) possess advantageous intrinsic properties, including high surface area, large pore size (2-50 nm), biocompatibility, biodegradability, and stable aqueous dispersion.
• These characteristics position MSNs as a highly promising platform for diverse biomedical applications.

Purpose of the Study:

• To review common cargo loading and release strategies for MSNs.
• To discuss the intracellular uptake, safety, and cytotoxicity of MSNs.
• To highlight recent advances in biomedical applications of MSNs.

Main Methods:

• Review of literature on mesoporous silica nanoparticles (MSNs) in biomedicine.
• Analysis of cargo loading and release mechanisms.
• Evaluation of intracellular uptake, safety, and cytotoxicity data.

Main Results:

• MSNs demonstrate versatile cargo loading and controlled release capabilities.
• MSNs exhibit favorable intracellular uptake profiles and acceptable safety/cytotoxicity.
• Key applications include drug delivery carriers, bioimaging agents, biosensors, photodynamic therapy agents, quantum dot platforms, upconverting nanoparticle platforms, and tissue engineering scaffolds.

Conclusions:

• Mesoporous silica nanoparticles (MSNs) are a versatile and promising nanomaterial for advanced biomedical applications.
• Their tunable properties and biocompatibility support their use across diagnostics, therapeutics, and regenerative medicine.