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Monitoring Protein Adsorption with Solid-state Nanopores
Published on: December 2, 2011
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Solid-state and polymer nanopores for protein sensing: A review
Nathan Meyer1, Imad Abrao-Nemeir2, Jean-Marc Janot2
1Institut Européen des Membranes, UMR5635 UM ENCSM CNRS, Place Eugène Bataillon, 34095 Montpellier, Cedex 5, France; INM UM, CNRS, INSERM, Place Eugène Bataillon, 34095 Montpellier, Cedex 5, France.
Advances in Colloid and Interface Science
|November 12, 2021
Summary
Solid-state and polymer nanopores offer sensitive and specific protein sensing, enabling analysis of protein dynamics and reactions. This review covers resistive pulse and ionic diode techniques, discussing advancements and challenges in nanopore analysis.
Area of Science:
- Biophysics
- Nanotechnology
- Analytical Chemistry
Background:
- Solid-state and polymer nanopores have emerged as powerful tools for biological sensing over the past two decades.
- These nanopore systems offer high specificity and sensitivity for detecting and characterizing proteins.
- They facilitate the study of protein conformational changes, unfolding, assembly, aggregation, and enzymatic reactions.
Purpose of the Study:
- To provide a comprehensive overview of protein sensing using nanopore technology.
- To review significant achievements in detecting peptides and proteins, and analyzing protein dynamics.
- To discuss current limitations and strategies for enhancing nanopore resolution and accuracy.
Main Methods:
- Focuses on two primary nanopore detection techniques: resistive pulse sensing and ionic diodes.
- Reviews key advancements in applying these methods for various protein analyses.
- Highlights strategies to overcome challenges like protein adsorption and limited nanopore lifetime.
Main Results:
- Nanopore techniques have demonstrated significant success in detecting peptides and proteins.
- These methods allow for the characterization of protein conformational changes, assembly, and aggregation processes.
- Recent strategies aim to improve nanopore resolution, accuracy, and operational stability.
Conclusions:
- Nanopore-based protein sensing is a rapidly advancing field with broad applications.
- Further improvements in nanopore design and detection strategies are crucial for overcoming existing limitations.
- Continued research will enhance the utility of nanopores for complex biological analyses.
