一种带有聚合物纹理棘轮的流体装置。
A Fluidic Device with Polymeric Textured Ratchets.
作者信息
Sekeroglu Koray, Demirel Melik C
机构信息
Materials Research Institute and Department of Engineering Science and Mechanics, Pennsylvania State University, University Park, Pennsylvania 16802, USA.
出版信息
Polymer (Guildf). 2015 Feb 10;58:30-35. doi: 10.1016/j.polymer.2014.12.031.
Nanotextured surfaces are widely used throughout nature for adhesion, wetting, and transport. Chemistry, geometry, and morphology are important factors for creating tunable textured surfaces, in which directionality of droplets can be controlled. Here, we fabricated nano textured polymeric surfaces, and studied the effect of tilting on the mobility of frequency modulated water droplet transported on asymmetric nano-PPX tracks. Plastically-deformed tracks guided water droplets for sorting, gating, and merging them as a function on their volume. Polymeric ratchets open up new avenues for the fields of digital fluidics and flexible device fabrication.
纳米纹理表面在自然界中广泛用于粘附、润湿和传输。化学、几何形状和形态是创建可调纹理表面的重要因素，在这种表面中液滴的方向性可以得到控制。在这里，我们制备了纳米纹理聚合物表面，并研究了倾斜对在不对称纳米PPX轨道上传输的调频水滴迁移率的影响。塑性变形轨道引导水滴进行分类、选通并根据其体积进行合并。聚合物棘轮为数字微流控和柔性器件制造领域开辟了新途径。
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