Core Viewpoint - Scientists at the Swiss Federal Institute of Technology in Lausanne (EPFL) have developed the first self-luminous biosensor that does not require an external light source, overcoming a significant barrier for photonic biosensing technology in medical diagnostics and environmental monitoring [1] Group 1 - The new biosensor utilizes quantum effect principles [1] - The research was published in the latest issue of Nature Photonics [1] - This advancement could enhance applications in medical diagnostics and environmental monitoring [1]