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Related Concept Videos

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Related Experiment Video

Updated: Apr 19, 2026

Force Spectroscopy of Single Protein Molecules Using an Atomic Force Microscope
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Structural dynamics of single molecules studied with high-speed atomic force microscopy.

Robert M Henderson1

  • 1University of Cambridge, Department of Pharmacology , Tennis Court Road, Cambridge CB2 1PD , UK +44 1223 334053 ; rmh1003@cam.ac.uk.

Expert Opinion on Drug Discovery
|January 1, 2015
PubMed
Summary
This summary is machine-generated.

High-speed atomic force microscopy (HS-AFM) enables real-time imaging of dynamic molecular events. This technique offers high-resolution biological insights, complementing existing methods in molecular and cell biology.

Keywords:
DNA–protein interactionatomic force microscopyprotein–protein interactionscanning probe microscopy

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Area of Science:

  • Biophysics
  • Molecular Biology
  • Nanotechnology

Background:

  • Atomic Force Microscopy (AFM) provides sub-nanometer resolution imaging in biological settings.
  • Traditional AFM instruments require minutes per image, limiting the study of dynamic processes.
  • High-speed AFM (HS-AFM) instruments now allow for real-time imaging of molecular dynamics.

Purpose of the Study:

  • To review specific examples demonstrating the potential of HS-AFM.
  • To elucidate mechanisms in areas of molecular interactions and biological processes.
  • To highlight the application of HS-AFM in studying dynamic molecular events using nanostructures.

Main Methods:

  • Focus on a review of existing literature and case studies utilizing HS-AFM.
  • Exploration of HS-AFM applications in protein-protein interactions.
  • Investigation of HS-AFM in DNA-protein interactions and the use of DNA origami scaffolds.

Main Results:

  • HS-AFM facilitates the study of dynamic events in individual macromolecules.
  • Applications include elucidating mechanisms in protein-protein and DNA-protein interactions.
  • HS-AFM aids in quantifying biological processes and studying dynamic events with DNA origami.

Conclusions:

  • HS-AFM offers comparable data quality and ease of use to conventional AFM.
  • It presents a valuable complement to existing high-resolution biological imaging techniques.
  • Increased adoption of HS-AFM is expected to enhance its appreciation in molecular and cell biology research.