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Related Experiment Video

Updated: Feb 15, 2026

Super-resolution Imaging of Neuronal Dense-core Vesicles
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Scalable Super-Resolution Synthesis of Core-Vest Composites Assisted by Surface Plasmons.

A O Montazeri1,2, Y Kim1, Y S Fang3

  • 1Department of Electrical & Computer Engineering, University of Toronto , Toronto, Ontario M5S 3G4, Canada.

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|January 25, 2018
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Summary

Researchers developed novel core-vest composite nanostructures (CVNs) by combining light parameters and nanoparticle properties. These CVNs offer precise control over core access and tunable temperature variations for tailored functionality.

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Physical Chemistry

Background:

  • Nanoparticle behavior is dictated by size and composition, necessitating precise control for functionality.
  • Conventional core-shell nanoparticles often limit core access due to symmetrical shell formation.

Purpose of the Study:

  • To engineer novel core-vest composite nanostructures (CVNs) with tunable functionality.
  • To achieve selective physical access to the nanoparticle core, overcoming limitations of core-shell designs.
  • To explore the interplay between light parameters and nanoparticle properties in creating CVNs.

Main Methods:

  • Commingling light parameters (wavelength, intensity, pulse duration) with nanoparticle properties (size, shape, composition).
  • Fabrication of starburst-shaped nanoparticles ranging from 50-100 nm.
  • Plasmonic induction of local temperature variations.

Main Results:

  • Formation of unique core-vest composite nanostructures (CVNs) with an accessible plasmonic core.
  • Demonstration of tunable local temperature variations exceeding 50 °C.
  • Correlation between temperature variations and shell coverage, enabling tailored access pathways.

Conclusions:

  • CVNs offer unprecedented precision in tailoring core and shell access pathways.
  • The developed method allows for the creation of functional nanostructures with controlled environmental interaction.
  • This approach opens new avenues for designing advanced nanomaterials with specific applications.