Biofouling refers to the unfavourable attachment and accumulation of marine sessile organisms (e.g. barnacles, mussels and tubeworms) on the solid surfaces immerged in ocean. The enormous economic loss caused by biofouling in combination with the severe environmental impacts induced by the current antifouling approaches entails the development of novel antifouling strategies with least environmental impact. Inspired by the superior antifouling performance of the leaves of mangrove tree , here we propose to combat biofouling by using a surface with microscopic ridge-like morphology. Settlement tests with tubeworm larvae on polymeric replicas of leaves confirm that the microscopic ridge-like surface morphology can effectively prevent biofouling. A contact mechanics-based model is then established to quantify the dependence of tubeworm settlement on the structural features of the microscopic ridge-like morphology, giving rise to theoretical guidelines to optimize the morphology for better antifouling performance. Under the direction of the obtained guidelines, a synthetic surface with microscopic ridge-like morphology is developed, exhibiting antifouling performance comparable to that of the replica. Our results not only reveal the underlying mechanism accounting for the superior antifouling property of the leaves, but also provide applicable guidance for the development of synthetic antifouling surfaces.
Robust and easy‐cleaning superhydrophobic and superoleophilic copper meshes are fabricated by introducing Cu(OH)2 nanoneedles or CuO nanoplates onto copper mesh surface via facile oxidation and subsequent coating with polydimethylsiloxane. Such copper meshes demonstrate high separation efficiency for mixtures of oils and diverse corrosive aqueous solutions or hot water. More details can be found in article number https://doi.org/10.1002/admi.201900158 by Bo Pang, Kai Zhang, and co‐workers.
Chinese wine has a long history, unique style, and has profound intrinsic cultural traditions. The article analyzed Meiping design in wine packaging design, using a typical example. This paper discussed the Meiping containers historical origin, both the small mouth and wide belly shape. The unique advantages of ceramics in wine packing are also identified. The article highlighted Meiping design as an ancient wine packaging, emphasizing the importance of national culture in the modern wine packaging design education. At the same time, this paper expounds the application of Meiping design in modern wine packaging.
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