Microneedle patch (IMAGE) Karolinska Institutet Caption The microneedle patch consists of miniaturised needles made from a polymer that is loaded with the drug. Credit Jill Ziesmer Usage Restrictions The photo may ony be used in connection to reports about Georgios Sotiriou's research on microneedles. 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.