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Mechanically-gated Ion Channels

Mechanically-gated Ion Channels

Mechanically-gated ion channels are proteins found in eukaryotic and prokaryotic cell membranes that open in response to mechanical stress. Tension, compression, swelling, and shear stress can alter the conformation of the protein, opening a transmembrane channel that allows the passage of ions for signal transmission. In eukaryotes, mechanically-gated channels are distributed in several regions like the neurons, lungs, skin, bladder, and heart, where they play critical roles in numerous...

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Preparation of ZnO Nanorod/Graphene/ZnO Nanorod Epitaxial Double Heterostructure for Piezoelectrical Nanogenerator by Using Preheating Hydrothermal

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Piezoelectric Effect Modulates Nanozyme Activity: Underlying Mechanism and Practical Application.

Xin Yu¹, Longwei Wang², Zhiling Zhu³

¹Institute for Advanced Interdisciplinary Research (iAIR), School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, P. R. China.

Small (Weinheim an Der Bergstrasse, Germany)

|August 27, 2023

Summary

The piezoelectric effect enhances nanozyme activity by generating charges that participate in redox reactions. This review explores mechanisms and applications of piezoelectric nanozymes in areas like pollutant degradation and therapy.

Keywords:

antibacterial therapy nanozymes piezoelectricity tumor therapy water pollutant degradation

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Area of Science:

Materials Science
Nanotechnology
Catalysis

Background:

Nanozyme activity is governed by surface electron transfer.
The piezoelectric effect generates surface charges influencing nanozyme catalytic properties.

Purpose of the Study:

To review mechanisms of piezoelectric effect-regulated nanozyme activity.
To explore practical applications of piezoelectric nanozymes.

Main Methods:

Literature review of piezoelectric nanozyme research.
Analysis of charge generation and electron transfer mechanisms.
Survey of application examples.

Main Results:

Piezoelectric charges directly participate in redox reactions, activating nanozymes.
Piezoelectric fields accelerate electron transfer and reduce substrate binding energy.
Applications include pollutant degradation, disinfection, biosensing, and tumor therapy.

Conclusions:

The piezoelectric effect offers versatile regulation of nanozyme activity.
Further research is needed on catalytic mechanisms and new applications.
Synergistic catalytic therapy presents a promising future direction.