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March 21, 2026Light Science & ApplicationsOpen Access

Rapid trapping and label-free optical characterization of single nanoscale extracellular vesicles and nanoparticles in solution

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Authors

IHIkjun HongCHChuchuan HongTATheodore Anyika

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Overview

This technology demonstrates rapid characterization of nanoscale extracellular vesicles, suggesting advancements in drug delivery and monitoring.

Key Points

  • The aim is to develop a rapid and efficient method for analyzing single nanoparticles to understand their properties and applications.
  • Introduced a platform called Interferometric Electrohydrodynamic Tweezers (IET).
  • Combined molecular trapping, interferometric scattering imaging, and Raman scattering for analysis.
  • Performed experiments with colloidal polymer beads and nanoscale extracellular vesicles in solution.
  • Successfully trapped and characterized size and composition of nanoscale extracellular vesicles.
  • Characterization time reduced to seconds compared to minutes in traditional methods.
  • Demonstrated effectiveness under low particle concentration conditions.

Cite This Study

Hong et al. (2026) studied this question.

synapsesocial.com/papers/69be38356e48c4981c6786b9https://doi.org/10.1038/s41377-026-02201-z
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