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Red Fluorescent Carbon Nanoparticle-Based Cell Imaging Probe.

Haydar Ali1, Susanta Kumar Bhunia1, Chumki Dalal1

  • 1Centre for Advanced Materials, Indian Association for the Cultivation of Science , Kolkata 700032, India.

ACS Applied Materials & Interfaces
|March 25, 2016
PubMed
Summary
This summary is machine-generated.

Researchers developed red fluorescent carbon nanoparticles for cell imaging. These biocompatible nanoparticles are functionalized for targeted biomedical applications, offering a promising tool for bioimaging.

Keywords:
bioconjugationcoatingimaging probenanobioconjugatenanoparticlered fluorescence

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Area of Science:

  • Nanotechnology
  • Biomedical Engineering
  • Materials Science

Background:

  • Fluorescent carbon nanoparticles offer biocompatible and eco-friendly platforms for biomedical uses.
  • Synthesizing red-emitting carbon nanoparticles and functionalizing them presents significant challenges.

Purpose of the Study:

  • To develop red fluorescent carbon nanoparticle-based nanobioconjugates for cell labeling.
  • To demonstrate their utility in bioimaging applications.

Main Methods:

  • Synthesized hydrophobic carbon nanoparticles using a high-temperature colloid-chemical method.
  • Rendered nanoparticles water-soluble by coating with amphiphilic polymers and covalently linking biomolecules (PEG, amine, glucose, arginine, histidine, biotin, folic acid).

Main Results:

  • Created functionalized nanoparticles with hydrodynamic sizes under 25 nm.
  • Achieved tunable visible emission (550-750 nm) upon blue/green light excitation (400-550 nm).
  • Demonstrated arginine and folic acid functionalized nanoparticles as effective fluorescent cell labels for imaging.

Conclusions:

  • The developed method enables the creation of red fluorescent carbon nanoparticle-based nanobioconjugates.
  • These functionalized nanoparticles serve as effective fluorescent cell labels for bioimaging.
  • The approach is extendable for developing diverse carbon nanoparticle-based bioimaging probes.