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Keywords:

  • light-emitting diodes;
  • dye separation;
  • host–guest interactions;
  • biocomposites;
  • mucin proteins
Thumbnail image of graphical abstract

Nature's ability to form stable and controllable host-guest systems is exploited to construct a new type of robust matrix biomaterial, which is used for the formation of protein luminescent films and devices. This simple methodology involves the extraordinary capabilities of mucin proteins to host hydrophobic dyes. It is shown that large variety of luminescent films can be formed.<?br?>