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Lighting up cells with lanthanide self-assembled helicates.

Jean-Claude G Bünzli1

  • 1Institute of Chemical Sciences and Engineering , École Polytechnique Fédérale de Lausanne , BCH 1402, 1015 Lausanne , Switzerland.

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|February 11, 2014
PubMed
Summary

Lanthanide luminescent probes were developed using microfluidics for enhanced cell imaging. These probes illuminate live cells and detect cancer biomarkers with high sensitivity.

Keywords:
bioconjugatecell imaginglanthanideluminescent bioprobeself-assemblytime-resolved luminescence microscopy

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Area of Science:

  • Biochemistry
  • Nanotechnology
  • Microfluidics Engineering

Background:

  • Lanthanide bioprobes offer advantages like low photobleaching, sharp emission, and long excited-state lifetimes for sensitive detection.
  • Time-resolved detection techniques improve sensitivity in luminescence-based assays.

Purpose of the Study:

  • To develop self-assembled dinuclear lanthanide luminescent probes.
  • To illuminate live cells for biological imaging.
  • To selectively detect biomarkers in cancerous human breast cells.

Main Methods:

  • Utilizing the interplay of physical, chemical, and biochemical properties.
  • Employing microfluidics engineering for probe assembly.
  • Applying time-resolved detection for enhanced sensitivity.

Main Results:

  • Successful creation of self-assembled dinuclear lanthanide luminescent probes.
  • Demonstration of live-cell illumination using the developed probes.
  • Selective detection of biomarkers expressed by cancerous human breast cells.

Conclusions:

  • The developed lanthanide probes are effective for live-cell imaging.
  • This approach enables sensitive and selective detection of cancer biomarkers.
  • The integration of lanthanide properties with microfluidics engineering shows promise for diagnostics.