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Related Experiment Video

Updated: May 30, 2026

Hollow Microneedle-based Sensor for Multiplexed Transdermal Electrochemical Sensing
08:19

Hollow Microneedle-based Sensor for Multiplexed Transdermal Electrochemical Sensing

Published on: June 1, 2012

Single-molecule measurements using microneedles.

Toshio Yanagida1, Yoshiharu Ishii, Akihiko Ishijima

  • 1Department of Frontier Biosciences, Osaka University, Suita, Osaka, Japan.

Methods in Molecular Biology (Clifton, N.J.)
|August 3, 2011
PubMed
Summary
This summary is machine-generated.

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Researchers detail micromanipulation techniques for studying myosin, a molecular motor. These methods reveal the direct link between ATP hydrolysis and myosin

Area of Science:

  • Biophysics
  • Molecular Biology
  • Cell Mechanics

Background:

  • Myosin functions as both an enzyme and a molecular motor, crucial for cellular force generation through actin interaction.
  • Understanding the mechanics of actomyosin interactions is vital for comprehending cellular motility and function.

Purpose of the Study:

  • To describe micromanipulation techniques, specifically microneedles and laser traps, for analyzing actomyosin interactions.
  • To detail the coupling between chemical processes (ATP hydrolysis) and mechanical processes (myosin force generation) at the single-molecule level.

Main Methods:

  • Utilizes microneedle manipulation to capture and control actomyosin interactions.
  • Employs laser trapping techniques for precise manipulation of molecular motors.

More Related Videos

Fabrication and Characterization of Microneedle Patches for Loading and Delivery of Exosomes
07:41

Fabrication and Characterization of Microneedle Patches for Loading and Delivery of Exosomes

Published on: July 12, 2024

Related Experiment Videos

Last Updated: May 30, 2026

Hollow Microneedle-based Sensor for Multiplexed Transdermal Electrochemical Sensing
08:19

Hollow Microneedle-based Sensor for Multiplexed Transdermal Electrochemical Sensing

Published on: June 1, 2012

Fabrication and Characterization of Microneedle Patches for Loading and Delivery of Exosomes
07:41

Fabrication and Characterization of Microneedle Patches for Loading and Delivery of Exosomes

Published on: July 12, 2024

  • Integrates single-molecule imaging to observe chemical and mechanical coupling.

    • Main Results:

    • Direct determination of the linkage between ATP hydrolysis and myosin-driven force generation.
    • Provides detailed insights into the mechanics of the actomyosin system.

    Conclusions:

    • Micromanipulation techniques, particularly the microneedle method, offer powerful tools for dissecting molecular motor function.
    • The study establishes a direct link between chemical energy conversion and mechanical work in the actomyosin system.