Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Air-permeable hydrogels through viscoelastic phase separation of aerogels.

Nature·2026
Same author

Enterobacterales and Prognostic Nutritional Index in Hospitalised Bronchiectasis: Associations With Mechanical Ventilation and Long-Term Mortality.

Archivos de bronconeumologia·2026
Same author

Base-mediated [2+4] annulation of benzothiazolium salts and 2-aminobenzaldehydes: selective synthesis of 2-amino and 2-thio-substituted quinolines.

Chemical communications (Cambridge, England)·2026
Same author

Targeting Lactate-Driven Stromal Autophagy via MCT1 Disrupts the Immunosuppressive Niche and Sensitizes Pancreatic Cancer to PD-1 Blockade.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

Loss of foxp3a drives sex-specific immune-metabolic remodeling across the gut-liver-gonad axis in zebrafish.

Fish & shellfish immunology·2026
Same author

Fusobacterium nucleatum Promotes Exosomal LncRNA MANCR Secretion from Colorectal Cancer Cells to Induce PD-L1 Expression in Macrophages.

Cancer research·2026

Related Experiment Video

Updated: Jun 17, 2025

An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation
10:33

An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation

Published on: February 27, 2019

8.4K

Photo-programmable hydrogel iontronics for electrically and chromatically rewritable circuits.

Jiehao Chen1, Jiahe Huang2, Yuhang Hu3

  • 1The George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA.

Biosensors & Bioelectronics
|August 8, 2024
PubMed
Summary
This summary is machine-generated.

This study introduces a novel hydrogel with UV-triggered conductivity that persists without continuous light. This breakthrough enables advanced adaptive electronics and responsive human-machine interfaces (HMI).

Keywords:
Light-responsive hydrogelOpto-ion generationPhotochromatic effectTunable conductivity

More Related Videos

Patterning Cells on Optically Transparent Indium Tin Oxide Electrodes
26:16

Patterning Cells on Optically Transparent Indium Tin Oxide Electrodes

Published on: August 20, 2007

11.8K
Patterning via Optical Saturable Transitions - Fabrication and Characterization
08:19

Patterning via Optical Saturable Transitions - Fabrication and Characterization

Published on: December 11, 2014

6.8K

Related Experiment Videos

Last Updated: Jun 17, 2025

An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation
10:33

An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation

Published on: February 27, 2019

8.4K
Patterning Cells on Optically Transparent Indium Tin Oxide Electrodes
26:16

Patterning Cells on Optically Transparent Indium Tin Oxide Electrodes

Published on: August 20, 2007

11.8K
Patterning via Optical Saturable Transitions - Fabrication and Characterization
08:19

Patterning via Optical Saturable Transitions - Fabrication and Characterization

Published on: December 11, 2014

6.8K

Area of Science:

  • Materials Science
  • Biomedical Engineering
  • Organic Chemistry

Background:

  • Hydrogel-based iontronics offer biocompatibility for healthcare and human-machine interfacing (HMI).
  • Conventional hydrogels lack dynamic control over electrical and optical properties, limiting adaptive electronic applications.

Purpose of the Study:

  • To develop a novel hydrogel system with UV photochemistry-induced reversible conductivity.
  • To overcome limitations of existing photo-responsive hydrogels by enabling sustained conductivity changes without continuous light exposure.

Main Methods:

  • Utilized photobase triphenylmethane leucohydroxide and photoacid n-nitrobenzaldehyde for UV-induced conductivity changes.
  • Investigated the reversible conductivity and photochromatic effects of the new hydrogel system.

Main Results:

  • Achieved a significant increase in photo-induced conductivity compared to existing photo-ionic hydrogels.
  • Demonstrated a hydrogel-based stylus pad for motion tracking and a soft calculator keypad with programmable conductivity.
  • The hydrogel maintains its activated conductivity state without continuous light stimulus.

Conclusions:

  • The developed hydrogel system exhibits controllable localized conductivity and photochromatic properties.
  • This advancement holds significant potential for diverse applications in bioelectronics and HMI.
  • The ability to process light inputs and maintain conductivity states opens new avenues for responsive interfaces.