Arun Kota’s superomniphobic device can sort droplets by surface tension. Credit: Sanli Movafaghi/Colorado State University
Imagine being able to instantly diagnose diabetes, Ebola or some other disease, simply by watching how a droplet of blood moves on a surface. That’s just one potential impact of new research led by Assistant Prof. Arun Kota, Colorado State University. Kota’s lab makes coatings that repel not just water, but virtually any liquid, including oils and acids – a property called superomniphobicity.
They did it by making their device’s surface tunable, meaning they can manipulate its surface chemistry to turn up or turn down how well it repels liquids...
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