PolyMicrospheres and Advanced Nanotechnologies offers research, development, and manufacturing of uniform polymer microspheres for clinical diagnostics, and microsphere- and nanoparticle-based drug delivery systems for pharmaceutical, medical device, and biotechnology industries. Since its founding in 1990, PolyMicrospheres, Division of Vasmo, Inc., has become the recognized leader in microparticle development and controlled-release technologies. Using state-of-the-art facilities and the most innovative polymerization and microencapsulation techniques, the company develops and manufactures a complete range of microspheres and drug delivery systems with a variety of particle sizes and surface chemistries.