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Updated: Apr 22, 2026

Synthesis of Immunotargeted Magneto-plasmonic Nanoclusters

Synthesis of Immunotargeted Magneto-plasmonic Nanoclusters

Published on: August 22, 2014

Magneto-fluorescent core-shell supernanoparticles.

Ou Chen¹, Lars Riedemann², Fred Etoc³

¹Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA.

Nature Communications

|October 10, 2014

Summary

This summary is machine-generated.

Researchers developed novel magneto-fluorescent supernanoparticles by combining magnetic nanoparticles and quantum dots. These biocompatible particles enable magnetic manipulation and optical tracking within living cells for advanced imaging applications.

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Area of Science:

Nanotechnology
Materials Science
Biomedical Engineering

Background:

Magneto-fluorescent particles offer potential for advanced applications.
Challenges exist in synthesizing uniform, functional magneto-fluorescent nanomaterials.

Purpose of the Study:

To develop a simple method for creating magneto-fluorescent supernanoparticles.
To create particles with tunable size, high magnetic loading, and versatile functionality.

Main Methods:

Co-assembly of magnetic nanoparticles and fluorescent quantum dots.
Formation of a core-shell superstructure.
Silica coating for stability and biocompatibility.
Surface pegylation for cellular manipulation.

Main Results:

Successfully synthesized colloidal magneto-fluorescent supernanoparticles.
Achieved a core-shell structure with magnetic core and quantum dot shell.
Demonstrated magnetic manipulation and optical tracking in living cells.
Validated dual-modal imaging capabilities (in vivo multi-photon and magnetic resonance).

Conclusions:

The developed silica-coated magneto-fluorescent supernanoparticles are effective for intracellular magnetic manipulation and optical tracking.
These particles serve as promising dual-modal imaging probes for in vivo applications.