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Related Concept Videos

Atomic Force Microscopy01:08

Atomic Force Microscopy

Atomic force microscopy (AFM) is a type of scanning probe microscopy that can analyze topographic details of various specimens like ceramics, glass, polymers, and biological samples. AFM offers over 1000 times more resolution than the optical imaging system. Images generated from AFM are three-dimensional surface profiles, offering an advantage over the flat, two-dimensional images from other imaging techniques.
The AFM Probe
The probe is regarded as the heart of any AFM setup and comprises the...

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Related Experiment Video

Updated: Jun 19, 2026

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

Force and function: probing proteins with AFM-based force spectroscopy.

Elias M Puchner1, Hermann E Gaub

  • 1University of Munich and Center for Nanoscience, Amalienstr. 54, 80799 Munich, Germany. elias.puchner@physik.lmu.de

Current Opinion in Structural Biology
|October 14, 2009
PubMed
Summary
This summary is machine-generated.

Life relies on molecular responses to minute forces. Advanced techniques like atomic force microscopy (AFM) single-molecule force spectroscopy now reveal the mechanics of these biomolecular interactions.

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Related Experiment Videos

Last Updated: Jun 19, 2026

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

Covalent Immobilization of Proteins for the Single Molecule Force Spectroscopy
11:13

Covalent Immobilization of Proteins for the Single Molecule Force Spectroscopy

Published on: August 20, 2018

Atomic Force Microscopy Imaging and Force Spectroscopy of Supported Lipid Bilayers
10:15

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Published on: July 22, 2015

Area of Science:

  • Biophysics
  • Molecular Biology
  • Mechanobiology

Background:

  • Biological systems interact with forces at the molecular level.
  • Understanding these interactions requires precise measurement of minute forces.
  • Passive and active molecular responses are crucial for life.

Purpose of the Study:

  • To explore the role of forces in biological systems.
  • To highlight the importance of molecular properties in force counteraction.
  • To showcase advancements in measuring and controlling single-molecule forces.

Main Methods:

  • Development of sophisticated experimental techniques.
  • Advancement of atomic force microscopy (AFM) based single-molecule force spectroscopy.
  • Commercialization of AFM instruments for broader research.

Main Results:

  • Increased scope and depth in studying biomolecular mechanics.
  • Unveiling of various aspects of how molecules respond to forces.
  • Discovery of unexpected phenomena in molecular force interactions.

Conclusions:

  • Single-molecule force spectroscopy has revolutionized the study of biomolecular mechanics.
  • Further discoveries are anticipated in the field of molecular force responses.
  • Understanding molecular mechanics is key to understanding life processes.