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Related Experiment Video

Updated: Jun 22, 2026

High Resolution Physical Characterization of Single Metallic Nanoparticles
09:56

High Resolution Physical Characterization of Single Metallic Nanoparticles

Published on: June 28, 2019

Forming an alpha-hemolysin nanopore for single-molecule analysis.

Nahid N Jetha1, Matthew Wiggin, Andre Marziali

  • 1Department of Physics and Astronomy, University of British Columbia, V6T 1Z1, Vancouver, BC, Canada.

Methods in Molecular Biology (Clifton, N.J.)
|June 3, 2009
PubMed
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This summary is machine-generated.

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This study details a protocol for creating stable alpha-hemolysin nanopores. These nanopores enable precise single-molecule analysis of nucleic acids by measuring ionic current changes.

Area of Science:

  • Biophysics
  • Molecular Biology
  • Nanotechnology

Background:

  • Single-molecule analysis offers detailed insights into biomolecular properties and interactions.
  • Nanopore technology, specifically using the alpha-hemolysin pore, is a powerful tool for analyzing nucleic acids like DNA and RNA.
  • Ionic current modulation through a nanopore reveals biomolecule characteristics.

Purpose of the Study:

  • To present a detailed protocol for forming robust alpha-hemolysin nanopores.
  • To facilitate reliable single-molecule analysis of biomolecules, particularly nucleic acids.
  • To establish a reproducible method for nanopore creation for research applications.

Main Methods:

  • Utilizing the alpha-hemolysin protein to form a nanopore in a lipid bilayer membrane.

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Last Updated: Jun 22, 2026

High Resolution Physical Characterization of Single Metallic Nanoparticles
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A Closed-Type Wireless Nanopore Electrode for Analyzing Single Nanoparticles
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  • Measuring ionic current fluctuations as single biomolecules interact with or translocate through the nanopore.
  • Optimizing conditions for stable and low-noise nanopore formation.

    • Main Results:

    • A robust protocol for creating stable alpha-hemolysin nanopores was successfully developed.
    • The protocol allows for the formation of single or multiple nanopores suitable for analysis.
    • The resulting nanopores exhibit low-noise characteristics essential for sensitive measurements.

    Conclusions:

    • The presented protocol provides a reliable method for generating alpha-hemolysin nanopores.
    • This technique is crucial for advancing single-molecule analysis of nucleic acids.
    • The established protocol supports further research in nanopore-based diagnostics and sequencing.