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Updated: Jun 3, 2026

Nanomanipulation of Single RNA Molecules by Optical Tweezers
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Nanomanipulation of Single RNA Molecules by Optical Tweezers

Published on: August 20, 2014

Atomic force microscope-based single-molecule force spectroscopy of RNA unfolding.

Hans A Heus1, Elias M Puchner, Aafke J van Vugt-Jonker

  • 1Institute for Molecules and Materials, Radboud University Nijmegen, The Netherlands. h.heus@science.ru.nl

Analytical Biochemistry
|March 16, 2011
PubMed
Summary

Atomic force microscope (AFM) single-molecule force spectroscopy (SMFS) effectively probes RNA interactions. This technique advances understanding of RNA regulators and aids in developing single-molecule RNA sensors.

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Area of Science:

  • Biophysics
  • Molecular Biology
  • Nanotechnology

Background:

  • Single-molecule force spectroscopy (SMFS) is crucial for studying biomolecular interactions.
  • Atomic force microscopy (AFM) enables precise measurement of forces at the molecular level.

Purpose of the Study:

  • To establish efficient protocols for probing RNA interactions using AFM-SMFS.
  • To demonstrate the utility of AFM-SMFS on specific RNA regulators.

Main Methods:

  • Utilized atomic force microscope (AFM) for single-molecule force spectroscopy (SMFS).
  • Developed robust protocols for attaching and analyzing biomolecules, specifically RNA, on solid supports and AFM tips.
  • Measured unbinding forces between individual binding partners.

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Force Spectroscopy of Single Protein Molecules Using an Atomic Force Microscope
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Published on: February 28, 2019

Dual DNA Rulers to Study the Mechanism of Ribosome Translocation with Single-Nucleotide Resolution
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Dual DNA Rulers to Study the Mechanism of Ribosome Translocation with Single-Nucleotide Resolution

Published on: July 8, 2019

Related Experiment Videos

Last Updated: Jun 3, 2026

Nanomanipulation of Single RNA Molecules by Optical Tweezers
06:59

Nanomanipulation of Single RNA Molecules by Optical Tweezers

Published on: August 20, 2014

Force Spectroscopy of Single Protein Molecules Using an Atomic Force Microscope
06:45

Force Spectroscopy of Single Protein Molecules Using an Atomic Force Microscope

Published on: February 28, 2019

Dual DNA Rulers to Study the Mechanism of Ribosome Translocation with Single-Nucleotide Resolution
10:27

Dual DNA Rulers to Study the Mechanism of Ribosome Translocation with Single-Nucleotide Resolution

Published on: July 8, 2019

Main Results:

  • Successfully applied AFM-SMFS to study the Rev-responsive element (RRE) from HIV-1.
  • Investigated the adenine-sensing riboswitch, demonstrating AFM-SMFS's versatility.
  • Quantified forces and dynamics underlying RNA molecular interactions.

Conclusions:

  • AFM-SMFS is a powerful technique for investigating RNA molecular interactions.
  • This research paves the way for developing novel bionanodevices for single RNA molecule sensing.
  • The developed protocols offer a valuable tool for RNA research.