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Related Experiment Video

Updated: Nov 9, 2025

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DNA Origami-Enabled Plasmonic Sensing.

Mihir Dass1, Fatih N Gür1, Karol Kołątaj1

  • 1Faculty of Physics and Center for NanoScience, Ludwig-Maximilians-University, Geschwister-Scholl-Platz 1, 80539 Munich, Germany.

The Journal of Physical Chemistry. C, Nanomaterials and Interfaces
|April 8, 2021
PubMed
Summary

DNA origami enables precise arrangement of plasmonic nanoparticles for advanced biosensing. This technology enhances fluorescence, Raman spectroscopy, and chiral sensing applications.

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Area of Science:

  • Nanotechnology
  • Biotechnology
  • Materials Science

Background:

  • DNA origami offers reliable programmability for bottom-up self-assembly of complex nanostructures.
  • Plasmonic nanoparticles are crucial for biosensing, enhancing signals and enabling visualization of nanoscale dynamics.
  • The integration of DNA origami with plasmonic sensing presents significant opportunities in diagnostics and research.

Purpose of the Study:

  • To review recent advancements in DNA origami-enabled plasmonic sensing systems.
  • To explore future directions and potential applications in biosensing.
  • To highlight the versatility of DNA origami in tuning plasmonic nanoparticle arrangements.

Main Methods:

  • Utilizing DNA origami for the precise spatial arrangement of plasmonic nanoparticles.
  • Developing fluorescence-based plasmonic sensing systems.
  • Implementing surface-enhanced Raman spectroscopy (SERS) with DNA origami scaffolds.
  • Designing chiral sensing platforms using DNA origami nanostructures.

Main Results:

  • Demonstrated enhanced fluorescence signals through controlled nanoparticle assembly.
  • Showcased improved sensitivity and specificity in SERS-based detection.
  • Enabled visualization and analysis of nanoscale actuation via chiral rearrangements.
  • Established DNA origami as a versatile platform for various plasmonic sensing modalities.

Conclusions:

  • DNA origami-enabled plasmonic sensing systems represent a rapidly advancing field with high potential.
  • Future prospects include more sophisticated biosensors with enhanced capabilities for diagnostics and fundamental research.
  • Continued development promises novel applications in molecular detection and nanoscale manipulation.