Medical LEDs Get Under Your Skin

Medical LEDs Get Under Your Skin

Author: David Bradley

Ultra-thin sheets of LEDs implanted under the skin could be used in medical monitoring or in light-activated drug delivery systems

An array of LEDs that is both flexible at 2.5 µm thin and a mere 100 µm square can be printed directly on to a substrate and then transferred to a biocompatible polymer. Such a device, developed by an international team, is now being tested for its potential as a medical implant. The robust and waterproofed device still functions normally even if twisted and stretched and could be used for in vivo spectroscopy-based diagnostics and monitoring or as a light-activator for the controlled release of medicinal products. A spinout company, mc10, will market the device.

Photo: (C) Photodisc/Ghetty Images

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