Fluorescence Imaging of a Microneedle Patch (image) North Carolina State University Share Print E-Mail Caption Fluorescence imaging of a microneedle patch. Biomedical researchers have developed a technique that uses a patch embedded with microneedles -- like the patch pictured here -- to deliver cancer immunotherapy treatment directly to the site of melanoma skin cancer. In animal studies, the technique more effectively targeted melanoma than other immunotherapy treatments. Credit Yanqi Ye Usage Restrictions Image credit must be given. Share Print E-Mail 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.