Babak Ziaie, Purdue University (IMAGE) Purdue University Caption Babak Ziaie, a Purdue professor of electrical and computer engineering and biomedical engineering, shows a new type of pump for drug-delivery patches that might use arrays of "microneedles" to deliver a wider range of medications than now possible with conventional patches. Credit Purdue University photo/Mark Simons Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.