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Related Concept Videos

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The Earth is a good conductor of electricity, and it is so big that it can be considered an infinite source or sink of charges. It can easily exchange charges with any matter.
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The high speed of electrical signals results from the fact that the force between charges acts rapidly at a distance. Thus, when a free charge is forced into a wire, the incoming charge pushes other charges ahead due to the repulsive force between like charges. These moving charges move the charges farther down the line. The density of charge in a system cannot easily be increased, so the signal is passed on rapidly. The resulting electrical shock wave moves through the system at nearly the...
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Alternating Magnetic Field-Responsive Hybrid Gelatin Microgels for Controlled Drug Release
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Bioinspired Out-of-Equilibrium Conductive Hydrogels: Unlocking Fuel and Light-Responsive Transient Conducting

Ruchi Shukla1, Rajarshi Chakraborty2, Vijay Kumar Patel1

  • 1Department of Chemistry, Indian Institute of Technology (BHU), Varanasi, Uttar Pradesh 221005, India.

ACS Nano
|December 9, 2025
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Summary
This summary is machine-generated.

This study presents a novel bioinspired dissipative hydrogel with tunable electronic and photoelectronic properties. This adaptive nanomaterial offers potential applications in nanotechnology and soft robotics.

Keywords:
bioinspired materialschiral self-assemblyfuel-driven dissipative assemblylight-responsive conductivityout-of-equilibrium hydrogelsperylene diimide

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Area of Science:

  • Supramolecular Chemistry
  • Materials Science
  • Nanotechnology

Background:

  • Out-of-equilibrium supramolecular hydrogels are inspired by biological systems and have potential in nanotechnology.
  • The optoelectronic properties of transient hydrogels remain largely unexplored.
  • Bioinspired materials offer new avenues for advanced functional applications.

Purpose of the Study:

  • To develop a bioinspired dissipative hydrogel with tunable conducting and photoelectronic functionalities.
  • To investigate the reversible switching between insulating and conductive states.
  • To explore the potential of such hydrogels in nanotechnology and optoelectronics.

Main Methods:

  • Design and synthesis of a bio-organic bolaamphiphile (PA) integrating perylene diimide (P) and l-aspartic acid (A).
  • Utilizing dimethyl sulfate (DMS) as a chemical fuel for temporal control of self-assembly and disassembly.
  • Characterization using spectroscopic, microscopic, computational, and device fabrication techniques.

Main Results:

  • The PA-based hydrogel demonstrated reversible switching between insulating sol and conductive gel states.
  • Switching was accompanied by changes in nanostructure, fluorescence, and chiroptical properties.
  • A derived thin film showed photoresponsive conductivity switching.

Conclusions:

  • Elucidation of structure-property relationships in dissipative hydrogels.
  • Development of adaptive, life-like functional nanomaterials.
  • Demonstration of tunable optoelectronic functionalities for nanotechnology and soft robotics.