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Related Experiment Video

Updated: May 30, 2026

Force Spectroscopy of Single Protein Molecules Using an Atomic Force Microscope
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Force Spectroscopy of Single Protein Molecules Using an Atomic Force Microscope

Published on: February 28, 2019

High-throughput single-molecule force spectroscopy for membrane proteins.

Patrick D Bosshart1, Fabio Casagrande, Patrick L T M Frederix

  • 1M E Müller Institute for Structural Biology, Biozentrum of the University of Basel, CH-4056 Basel, Switzerland.

Nanotechnology
|August 12, 2011
PubMed
Summary
This summary is machine-generated.

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We developed high-throughput single-molecule force spectroscopy (HT-SMFS) to efficiently study membrane proteins. This method, combined with a coarse filter, significantly speeds up data acquisition and analysis for mechanical studies.

Area of Science:

  • Biophysics
  • Structural Biology
  • Membrane Protein Research

Background:

  • Single-molecule force spectroscopy (SMFS) is crucial for understanding membrane protein mechanics and interactions.
  • Current SMFS methods face limitations in data acquisition efficiency, hindering large-scale applications.
  • Efficient analysis of large datasets is essential for extracting meaningful biophysical insights.

Purpose of the Study:

  • To develop a semi-automated high-throughput SMFS (HT-SMFS) procedure for enhanced data acquisition efficiency.
  • To introduce a coarse filtering method for rapid extraction of protein unfolding events from extensive SMFS datasets.
  • To validate the HT-SMFS procedure and filtering approach using well-characterized membrane proteins.

Main Methods:

  • Implementation of a semi-automated high-throughput single-molecule force spectroscopy (HT-SMFS) protocol.

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Last Updated: May 30, 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

Fluorescence Biomembrane Force Probe: Concurrent Quantitation of Receptor-ligand Kinetics and Binding-induced Intracellular Signaling on a Single Cell
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Fluorescence Biomembrane Force Probe: Concurrent Quantitation of Receptor-ligand Kinetics and Binding-induced Intracellular Signaling on a Single Cell

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Measurement of Force-Sensitive Protein Dynamics in Living Cells Using a Combination of Fluorescent Techniques

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  • Development and application of a coarse filtering algorithm to process large force-distance curve datasets.
  • Validation using bacteriorhodopsin (BR) and L-arginine/agmatine antiporter (AdiC) from Halobacterium salinarum and Escherichia coli, respectively.

    • Main Results:

    • Acquisition of approximately 400,000 force-distance curves using HT-SMFS.
    • Successful application of coarse filtering to yield curated datasets for BR and AdiC.
    • Demonstration that most raw data for selected datasets were acquired within one to two days.

    Conclusions:

    • The developed HT-SMFS procedure and coarse filter significantly improve the efficiency of membrane protein mechanical studies.
    • This high-throughput approach opens new avenues for large-scale investigations of membrane protein interactions and functions.
    • The validated method provides a powerful tool for accelerating discoveries in membrane protein biophysics.