Drop Cargo Transfer via Unidirectional Lubricant Spreading on Peristome-Mimetic Surface,ACS Nano

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Drop Cargo Transfer via Unidirectional Lubricant Spreading on Peristome-Mimetic Surface
ACS Nano ( IF 15.8 ) Pub Date : 2018-10-18 00:00:00 , DOI: 10.1021/acsnano.8b06023
Cunlong Yu ₁ , Longhao Zhang ₁ , Yunfei Ru ₁ , Ning Li ₁ , Chuxin Li ₂ , Can Gao ₂ , Zhichao Dong ₂ , Lei Jiang _{1,

2}

Affiliation

To promote drop mobility, lubricating the gap between liquid drop and solid surface is a facile method which has been widely exploited by nature. Examples include lotus and rice leaves using entrapped air to “lubricate” water and Nepenthes pitcher plant using a slippery water layer to trap insects. Inspired by these, here, we report a strategy for transporting drop cargoes via the unidirectional spreading of immiscible lubricants on the peristome-mimetic surface. Oleophilic/hydrophobic peristome-mimetic surfaces were fabricated through replicating three-dimensional printed samples. The peristome-mimetic surface, via unidirectional immiscible hexadecane spreading, can transport a wide diversity of drop cargoes over a long distance with no loss with controllable drop volumes and velocities, hence mixing multiphase liquids and even reacting liquids. We anticipate this unidirectional drop cargo transport technique will find use in microfluidics, microreactors, water harvesting systems, etc.

中文翻译：

通过在模拟蠕动表面上的单向润滑剂扩散来转移货物

为了促进液滴的流动性，润滑液滴和固体表面之间的间隙是一种简便的方法，其已被自然界广泛利用。例子包括使用滞留空气来“润滑”水的荷叶和稻米叶，以及使用湿滑的水层捕获昆虫的猪笼草笼草。受这些启发，我们在此报告了一种通过在蠕动模拟表面上不混溶润滑剂的单向分布来运输散装货物的策略。亲油/疏水的蠕动模拟表面是通过复制三维打印样品而制成的。仿蠕动表面，通过单向不混溶的十六烷散布可以在不损失的情况下以可控的液滴体积和速度在很长的距离内运输各种各样的液滴货物，因此可以混合多相液体甚至反应液。我们预计这种单向下落式货物运输技术将在微流体，微反应器，集水系统等中得到应用。

更新日期：2018-10-18

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