Design of disintegrable nanoassemblies to release multiple small-sized nanoparticles

Area of Science:

• Biomedical Engineering
• Nanotechnology
• Materials Science

Background:

• Nanoparticle delivery efficiency is crucial for therapeutic and diagnostic applications.
• Nanoparticle size impacts tissue penetration and retention, affecting drug efficacy.
• Current strategies face challenges in achieving optimal tumor targeting and retention.

Purpose of the Study:

• To review chemical and structural designs of stimuli-responsive disintegrable nanoassemblies.
• To explore various disassembly routes for targeted nanoparticle release.
• To highlight applications of nanoassemblies in diverse biomedical fields.

Main Methods:

• Review of existing literature on nanoassembly design and synthesis.
• Analysis of stimuli-responsive mechanisms for nanoassembly disassembly.
• Compilation of studies demonstrating nanoassembly applications in therapy and diagnostics.

Main Results:

• Nanoassemblies offer improved blood circulation and tumor accumulation compared to individual nanoparticles.
• Stimuli-responsive designs enable controlled disassembly and release of nanoparticles at target sites.
• Successful applications demonstrated in cancer therapy, infection treatment, stroke recovery, and bioimaging.

Conclusions:

• Biodegradable nanoassemblies represent a promising strategy for enhanced nanomedicine delivery.
• Stimuli-responsive mechanisms are key for controlled nanoparticle release and targeted action.
• Further research is needed to address challenges for clinical translation of nanoassembly-based therapies.