Algae glow enables 3D-printed light shapes
TL;DR Summary
US researchers encapsulated the bioluminescent alga Pyrocystis lunula in a hydrogel and used 3D printing to create glowing shapes. Exposing the algae to a mildly acidic solution triggers light production for up to about 25 minutes, producing a cyan glow suitable for applications like glow devices or biosensors, though real-world use and the algae’s survivability under acidity remain challenges.
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