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Related Experiment Video

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Versatile Room-Temperature Phosphorescence Silk Fibroin Platforms for Sustainable and Biocompatible Multifunctional

Tao Wang1, Ying-Hao Fu1, Jing Wang1

  • 1National Laboratory of Solid State Microstructures, Key Laboratory of Intelligent Optical Sensing and Manipulation, College of Engineering and Applied Sciences and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210023, China.

Advanced Materials (Deerfield Beach, Fla.)
|September 26, 2025
PubMed
Summary

Researchers developed sustainable, biocompatible room-temperature phosphorescence (RTP) silk fibroin materials. These biodegradable platforms offer enhanced processability, responsiveness, and diverse functionalities for advanced technological and biomedical applications.

Keywords:
biomedical interfacemultifunctionalityphosphorescencesilk fibroinsustainability

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Area of Science:

  • Materials Science
  • Biotechnology
  • Biomedical Engineering

Background:

  • Developing sustainable, biocompatible room-temperature phosphorescence (RTP) materials is crucial for advanced technologies and biomedical applications.
  • Existing RTP materials face challenges in processability, tunability, and multifunctionality.
  • Silk fibroin offers a versatile protein matrix for creating novel functional materials.

Purpose of the Study:

  • To develop novel RTP silk fibroin systems with improved processability, responsiveness, and functionality.
  • To explore the potential of these materials in various sustainable technologies and biomedical interfaces.
  • To demonstrate the adaptability of RTP silk fibroin for complex patterning and information integration.

Main Methods:

  • Multivalently anchoring phosphors to a silk fibroin protein matrix.
  • Processing RTP silk fibroin into fully biodegradable platforms.
  • Characterizing RTP emission, lifetime, and multi-responsiveness (UV light, vapor, temperature).
  • Evaluating functionalities including recyclability, weldability, morphability, and adhesion.
  • Utilizing micro/nano-processing techniques for complex patterning.

Main Results:

  • Achieved strong RTP emission with a lifetime up to 233 ms due to robust phosphor-fibroin interactions.
  • Demonstrated multi-responsiveness to UV light, vapor, and temperature.
  • Showcased diversified functionalities: recyclability, weldability, morphability, and adhesion.
  • Enabled complex RTP patterning and multidimensional information integration via micro/nano-processing.
  • Confirmed multifunctionality and multi-interface compatibility of the developed platforms.

Conclusions:

  • RTP silk fibroin systems offer a promising route to sustainable, biocompatible, and multifunctional phosphorescent materials.
  • These materials exhibit excellent processability, responsiveness, and diverse functionalities for various applications.
  • The developed platforms are suitable for smart labels, conformal pharmaceutical networks, and scalable textiles.