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Facile Synthesis of Worm-like Micelles by Visible Light Mediated Dispersion Polymerization Using Photoredox Catalyst

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Rational Design of EV-Mimicking Nanoparticles with Polarity-Based Recognition Potential for Advanced Nanocarrier

Giada Rosso¹, Stijn M A Van Veen², María Sancho-Albero³

¹Department of Applied Science and Technology, Politecnico di Torino, Turin 10129, Italy.

ACS Applied Nano Materials

|July 10, 2025

Summary

Researchers engineered synthetic nanoparticles to mimic natural extracellular vesicles (EVs) for improved therapeutic applications. A novel formulation, CE Mimic 3, replicates EV properties for potential use in targeted delivery and biosensing.

Keywords:

artificial biomimetic extracellular vesicles lipid nanoparticles nanomedicine super-resolutionimaging

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Uptake of New Lipid-coated Nanoparticles Containing Falcarindiol by Human Mesenchymal Stem Cells

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Published on: February 9, 2019

Area of Science:

Biomaterials Science
Nanotechnology
Cell Biology

Background:

Extracellular vesicles (EVs) are crucial for intercellular communication but their clinical use is limited by heterogeneity and isolation challenges.
Synthetic nanoparticles offer a potential alternative but often lack the efficacy and safety of natural EVs.
Mimicking EV structure and function with synthetic platforms could overcome these limitations for therapeutic applications.

Purpose of the Study:

To design, synthesize, and characterize lipid-coated nanoparticles that replicate the biophysical surface properties of EVs.
To develop EV-mimicking nanocarriers (EV Mimics) for improved cellular recognition and biointerface interactions.
To identify an optimal formulation for EV Mimics with potential for biomedical applications.

Main Methods:

Designed lipidic mixtures based on prostate cancer-derived EV lipidomic data.
Utilized organosilica nanocapsules as cores coated with designed lipidic mixtures.
Employed computational modeling for lipid bilayer optimization and advanced single-particle characterization techniques (flow cytometry, super-resolution microscopy).

Main Results:

Developed EV Mimics with tunable size, surface charge, and lipid polarity.
Identified a specific formulation, CE Mimic 3 (Chol/SM/PE/PC/PS at 30/16.1/12.9/20.9/20.1 mass ratios), closely matching natural EV properties.
Demonstrated successful replication of key biophysical surface characteristics relevant to cellular uptake and interaction.

Conclusions:

The developed EV Mimics show promise as platforms for biomedical applications, including targeted drug delivery and biosensing.
CE Mimic 3 formulation provides a standardized and reproducible approach to creating EV-mimetic nanocarriers.
This work lays the foundation for advancing nanomedicine through bio-inspired synthetic nanoparticles.