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Updated: Jun 26, 2026

Measurement of Extracellular Ion Fluxes Using the Ion-selective Self-referencing Microelectrode Technique
09:18

Measurement of Extracellular Ion Fluxes Using the Ion-selective Self-referencing Microelectrode Technique

Published on: May 3, 2015

Gradient-Microstructure Synergy for Self-Powered Ionic Skins with Ultrahigh Sensitivity.

Guotong Sun1, Wenxin Fan1, Hongen Chen1

  • 1College of Materials Science and Engineering, Key Laboratory of Marine Bio-Based Fibers of Shandong Province, Key Laboratory of Shandong Provincial Universities for Advanced Fibers and Composites, Qingdao University, Qingdao 266071, P. R. China.

ACS Applied Materials & Interfaces
|June 25, 2026
PubMed
Summary
This summary is machine-generated.

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Researchers developed highly sensitive self-powered ionic skins using a gradient-microstructure synergy strategy. This innovation enhances the detection of subtle pressure changes for advanced Internet of Things applications.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Sensors

Background:

  • Existing ionic skins lack sensitivity for detecting subtle pressure variations.
  • Energy-efficient, self-powered ionic skins are crucial for Internet of Things (IoT) and artificial intelligence (AI).

Purpose of the Study:

  • To engineer ionogels with enhanced sensitivity for self-powered ionic skins.
  • To develop a versatile gradient-microstructure synergy (GMS) strategy for improved pressure sensing.

Main Methods:

  • Sequential construction of sharp charge gradients and surface wrinkles using UV polymerization and mechanical stretching.
  • Fabrication of wrinkled gradient ionogels for amplified interfacial potential variations.

Main Results:

Keywords:
charge gradientionic skinsself-powered sensingultrahigh sensitivitywrinkle

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Revealing Electromechanical Control of Tissue Homeostasis Using a Two-Layer Microfluidic Device
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Revealing Electromechanical Control of Tissue Homeostasis Using a Two-Layer Microfluidic Device

Published on: September 19, 2025

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Last Updated: Jun 26, 2026

Measurement of Extracellular Ion Fluxes Using the Ion-selective Self-referencing Microelectrode Technique
09:18

Measurement of Extracellular Ion Fluxes Using the Ion-selective Self-referencing Microelectrode Technique

Published on: May 3, 2015

Revealing Electromechanical Control of Tissue Homeostasis Using a Two-Layer Microfluidic Device
11:08

Revealing Electromechanical Control of Tissue Homeostasis Using a Two-Layer Microfluidic Device

Published on: September 19, 2025

  • Achieved ultrahigh sensitivity of 368.32 kPa⁻¹ in self-powered mode, surpassing previous records.
  • Demonstrated exceptional sensing stability and mechanical properties.
  • Enabled real-time detection of human motions, physiological activities, and vibrations.

Conclusions:

  • The GMS strategy provides a robust platform for high-performance self-powered ionic skins.
  • The developed ionic skins facilitate practical deployment in various sensing applications.
  • This work addresses the limitations of current ionic skin sensitivity and power requirements.