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Related Concept Videos

Super-resolution Fluorescence Microscopy01:37

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Author Spotlight: Single-Molecule Surface-Enhanced Raman Scattering Measurements Enabled by Plasmonic DNA Origami Nanoantennas
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DNA origami-based standards for quantitative fluorescence microscopy.

Jürgen J Schmied1, Mario Raab1, Carsten Forthmann1

  • 1Institute for Physical and Theoretical Chemistry-NanoBioSciences, Technische Universität Braunschweig, Braunschweig, Germany.

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Summary
This summary is machine-generated.

DNA origami provides precise, programmable nanoscale standards for validating fluorescence microscopy. These durable, portable DNA structures offer a universal method for routine microscope testing and super-resolution imaging.

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Area of Science:

  • Nanotechnology
  • Biophysics
  • Microscopy

Background:

  • Microscopy validation requires precise, defined standards.
  • DNA origami offers a novel platform for creating nanoscale structures with high precision.

Purpose of the Study:

  • To develop and detail a protocol for DNA origami-based microscopy standards.
  • To introduce DNA origami structures as fluorescent nanoscopic rulers for microscopy.

Main Methods:

  • Designing and producing DNA origami structures with programmed fluorescent dyes.
  • Immobilizing DNA origami on glass slides for imaging.
  • Establishing protocols for quality control, handling, and data analysis.

Main Results:

  • Demonstrated the creation of DNA origami rectangles, bundles, and nanopillars as fluorescent rulers.
  • Showcased the durability and portability of DNA origami standards, suitable for up to 6 months of storage.
  • Detailed a protocol completable within 1-2 days for standard production and use.

Conclusions:

  • DNA origami serves as a versatile and effective tool for creating microscopy standards.
  • These standards are well-suited for validating diverse microscopy techniques, including super-resolution methods.
  • DNA origami standards enable routine, everyday checks of microscope functionality.