Forget Blood—Your Skin Might Know If You’re Sick

After making the mice generate IL-6, Singamaneni’s team could just rinse off the patches and analyze them directly. They ran ultrasensitive diagnostic tests by mixing the microneedles with a plasmonic fluor, a fluorescent dye solution containing nanoparticles designed to attach to IL-6. If those biomarkers were present, the glowing nano-labels would stick to them, making […]