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The slippery peristome of the pitcher plant Nepenthes has attracted much attention due to its unique function for preying on insects. Recent findings on the peristome surface of Nepenthes alata demonstrate a fast and continuous unidirectional liquid transport, which is enabled by the combination of a pinning effect at the sharp edges and a capillary rise in the wedge, deriving from the multiscale...
A novel unidirectional liquid spreading surface with an inclined arc pitted groove, inspired by the continuous unidirectional liquid spreading mechanism on the peristome surface of N. alata, is explored and fabricated by two‐step UV lithography. Its superior unidirectional liquid spreading capability to that of other surface patterns is demonstrated, and its unidirectional liquid spreading mechanism...
A novel unidirectional liquid spreading surface inspired by the N. alata peristome is proposed and fabricated by H. Chen and co‐workers in article number 1601676, via two‐step UV photolithography. Its superior unidirectional liquid spreading capability is demonstrated, and the underlying mechanism of unidirectional spreading is investigated. This bio‐inspired surface will advance a variety of applications...
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