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Bioluminescent algae's blue light harnessed to make 3D-printed shapes

Scientists suggest algae could be embedded within biosensors that glow when toxins detected in the environment

Bioluminescent algae's blue light harnessed to make 3D-printed shapes

TL;DR

  • Scientists harnessed the bioluminescence of *Pyrocystis lunula* algae to create light-emitting structures.
  • Exposing the algae to a slightly acidic solution triggered a sustained glow.
  • The algae were encapsulated in hydrogel and 3D-printed into glowing shapes.
  • Potential applications include glowsticks, bracelets, and environmental biosensors.
  • Bioluminescent algae contain luciferase and luciferin enzymes for light production.
  • Using bioluminescence could reduce waste compared to battery-powered devices.
  • The exact evolutionary reason for algal bioluminescence remains unknown, with defense being a possible explanation.