2025-03-14207 Pages
Microneedles are minimally invasive medical devices that consist of tiny needles, typically ranging from 25 to 2,500 micrometers in length, used for a variety of applications such as drug delivery, diagnostics, and monitoring. These needles can be solid or hollow and are designed to penetrate the outer layers of the skin or mucosal membranes, allowing for the delivery of drugs or extraction of flu