Frontiers is one of the world's largest open-access publishers, with over 759,000 peer-reviewed articles across 222 journals. Our portfolio includes Frontiers in Sensors, Frontiers in Electronic Materials, Frontiers in Coatings and Frontiers in Biomaterials -- covering the full spectrum of miniaturisation, lab-on-chip technologies, and smart materials. All research is free to read instantly, maximising the reach and impact of your work.