'Smuggling' drugs at the cellular level

Medicated adhesive patches have become a preferred method of delivery for everything from nicotine to hormones to motion sickness medication.Drexel University researchers are trying to expand the possibilities of this system--called transdermal delivery--with the help of a cleverly designed delivery vehicle and an ultrasonic "push," or pressure from sound waves. The advantage of transdermal drug delivery is the ability to regulate the release of medication into the ... More at http://www.nsf.gov/discoveries/disc_summ.jsp?cntn_id=129821&WT.mc_id=USNSF_51&WT.mc_ev=clickThis is an NSF News item.