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Wilhelm Barthlott, Thomas Schimmel, Sabine Wiersch, Kerstin Koch, Martin Brede, Matthias Barczewski, Stefan Walheim, Aaron Weis, Anke Kaltenmaier, Alfred Leder and Holger F. Bohn Superhydrophobic Coatings: The Salvinia Paradox: Superhydrophobic Surfaces with Hydrophilic Pins for Air Retention Under Water (Adv. Mater. 21/2010) Advanced Materials 22

Version of Record online: 31 MAY 2010 | DOI: 10.1002/adma.201090075

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The cover shows the sophisticated surface design of the floating water fern Salvinia. The unique surface architecture is composed of complex hydrophobic eggbeater-shaped hairs with hydrophilic terminal cells. The evenly distributed hydrophilic patches stabilize the air layer by pinning the air/water interface in place. The paradox combination of hydrophilic patches on superhydrophobic surfaces (the “Salvinia Effect”) provides an innovative concept for smart biomimetic surfaces in maritime coatings and underwater applications, as reported by Wilhelm Barthlott, Thomas Schimmel, and co-workers on p. 2325. Cover: © Martin Oeggerli / www.Micronaut.ch, original SEM scan by Prof. Barthlott.

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