Controlling Nanomaterial Size and Shape for Biomedical Applications via Polymerization-Induced Self-Assembly

Area of Science:

• Polymer Chemistry
• Materials Science
• Nanotechnology

Background:

• Polymerization-induced self-assembly (PISA) is a rapidly advancing technique for environmentally friendly nanoparticle synthesis.
• PISA enables the production of nanoparticles with tunable size and shape for various applications.

Purpose of the Study:

• To highlight the biomedical applications of PISA nanoparticles.
• To discuss the progress in controlling PISA nanoparticle size and shape.
• To review parameters influencing PISA nanoparticle morphology and address current/future challenges.

Main Methods:

• Review of existing literature on PISA nanoparticles.
• Analysis of factors affecting nanoparticle morphology (e.g., polymerization degree, monomer concentration, pH, thermoresponsivity).
• Discussion of PISA technique limitations and recent advancements.

Main Results:

• PISA nanoparticles show promise in drug delivery, medical imaging, tissue culture, and blood cryopreservation.
• Key parameters influencing nanoparticle morphology include macro-CTA and core-forming polymer characteristics, concentrations, solid content, pH, and initiator levels.
• Recent efforts have addressed several limitations of the PISA technique.

Conclusions:

• PISA is a versatile and sustainable method for fabricating functional nanoparticles for biomedical uses.
• Precise control over nanoparticle morphology is achievable through careful manipulation of synthesis parameters.
• Further research is needed to overcome remaining challenges and fully exploit PISA's potential in nanomedicine.