Abstract
Blood-repellent superhydrophobic surfaces aim toward reducing the thrombogenicity of the surfaces of blood-contacting devices and implants. In article number 1705104, Ville Jokinen, Esko Kankuri, Robin H. A. Ras, and co-workers highlight several recent examples of such surfaces, where, for example, blood droplets in the superhydrophobic Cassie state roll off a micro and nanostructured PDMS–titania hybrid surface easily, without leaving a stain. Several mechanisms that lead to blood repellency are proposed, focusing mainly on platelet antiadhesion. Image credits: Sasha Hoshian (preparing material samples and set up), and Valeria Azovskaya (photography and graphic design).
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