The group's principal activity is research and development of transdermal diagnostic and drug delivery products. The group's product sonoprep (R), a non-invasive ultrasound mediated skin permeation technology for medical and therapeutic applications including transdermal diagnostics and the enhanced delivery of drugs through the skin. Sonoprep(R) skin permeation device, makes the skin permeable for up to 24 hours by applying ultrasonic energy to skin for 5-15 seconds, to be used in conjunction with all of our product applications.