Degradex® Polymeric Microspheres and Nanoparticles We offer Degradex® PLGA- and PCL-based plain and fluorescent microspheres and nanoparticles. Plain PLGA microspheres and PLGA nanoparticles can be used in drug and RNA delivery formulations as control agents or be used to test system compatibility before loading an API into the carrier. Fluorescent nanoparticles and microspheres can be used in num