A Color-Changing “Invisible Tattoo” for Long-Term Health Monitoring

Gold-studded nanoparticles continuously track biomolecules and drugs

German researchers have developed an innovative method for continuously tracking and monitoring biomarkers and drugs circulating in the body. This implantable device sits under the surface of the skin and measures spikes and dips in the concentrations of these molecules over the course of weeks and months, opening up a wealth of possible applications in personalized medicine or pharmaceutical development.