Microneedle Patches: Gelatin Methacryloyl Microneedle Patches for Minimally Invasive Extraction of Skin Interstitial Fluid (Small 16/2020)

In article number 1905910, Wujin Sun, Ali Khademhosseini, and co-workers develop a transdermal microneedle patch from gelatin methacryloyl for minimally invasive extraction of interstitial fluid. Metabolites and drugs can be efficiently extracted for timely and accurate analysis, making the patch a potential platform to facilitate clinical diagnosis.