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Upcycling fish scales through heating for steganography and Rhodamine B adsorption application

Author

Listed:
  • Malcolm Miao Geng Sow

    (NUS High School of Mathematics and Science)

  • Zheng Zhang

    (Agency for Science, Technology and Research (A*STAR))

  • Chorng Haur Sow

    (National University of Singapore)

  • Sharon Xiaodai Lim

    (National University of Singapore)

Abstract

With increasing population and limited resources, a potential route for improving sustainability is increased reuse of waste materials. By re-looking at wastes, interesting properties and multifunctionalities can be discovered in materials previously explored. Despite years of research on bio-compatible fish scales, there is limited study on the fluorescence property of this abundant waste material. Controlled denaturation of collagen and introduction of defects can serve as a means to transform the fluorescence property of these fish scale wastes while providing more adsorption sites for pollutant removal, turning multifunctional fish scales into a natural steganographic material for transmitting text and images at both the macroscopic and microscopic levels and effectively removing Rhodamine B pollutants (91 % removal) within a short contact time (10 minutes). Our work offers a glimpse into the realm of engineering defects-induced fluorescence in natural material with potential as bio-compatible fluorescence probes while encouraging multidimensional applicability to be established in otherwise overlooked waste resources.

Suggested Citation

  • Malcolm Miao Geng Sow & Zheng Zhang & Chorng Haur Sow & Sharon Xiaodai Lim, 2023. "Upcycling fish scales through heating for steganography and Rhodamine B adsorption application," Nature Communications, Nature, vol. 14(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-42080-1
    DOI: 10.1038/s41467-023-42080-1
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    References listed on IDEAS

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    1. Catherine Taylor Clelland & Viviana Risca & Carter Bancroft, 1999. "Hiding messages in DNA microdots," Nature, Nature, vol. 399(6736), pages 533-534, June.
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