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Related Concept Videos

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Color in Coordination Complexes
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Related Experiment Video

Updated: Jan 21, 2026

A Guide to Structured Illumination TIRF Microscopy at High Speed with Multiple Colors
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Photocontrolled Healable Structural Color Hydrogels.

Zhuoyue Chen1,2, Jindao Wu3, Yu Wang2

  • 1Department of Clinical Laboratory, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, 210008, China.

Small (Weinheim an Der Bergstrasse, Germany)
|July 27, 2019
PubMed
Summary
This summary is machine-generated.

This study introduces a novel healable structural color hydrogel with photocontrolled properties. Graphene oxide integration enables near-infrared light to trigger self-healing in complex patterns.

Keywords:
colloidal crystalsgraphenehealablehydrogelsstructural color

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Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Nanotechnology

Background:

  • Structural color hydrogels offer tunable optical properties but often lack precise control and self-healing capabilities.
  • Existing healable hydrogels may not possess integrated structural color or photocontrollable healing mechanisms.
  • The development of advanced materials for applications like tissue repair and complex object construction is ongoing.

Purpose of the Study:

  • To develop a novel healable structural color hydrogel with photocontrolled healing properties.
  • To integrate graphene oxide (GO) for photothermal conversion and enable near-infrared (NIR) triggered self-healing.
  • To demonstrate the material's ability to heal complex patterns under NIR irradiation.

Main Methods:

  • Fabrication of an inverse opal hydrogel scaffold incorporating graphene oxide (GO).
  • Incorporation of a hydrogel filler with reversible phase transition properties for healing.
  • Characterization of structural color, photonic crystal properties, and healing efficiency under NIR irradiation.

Main Results:

  • The GO-integrated inverse opal hydrogel scaffold maintained a stable photonic crystal structure.
  • The hydrogel filler provided the necessary reversible phase transition for self-healing.
  • The structural color hydrogel exhibited efficient self-healing of complex patterns upon exposure to NIR light due to GO's photothermal effect.

Conclusions:

  • A photocontrollable, healable structural color hydrogel was successfully developed.
  • The material leverages GO's photothermal properties for NIR-triggered self-healing.
  • This optically controllable hydrogel shows promise for advanced applications in complex object construction and tissue repair.