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Rapid Patterning of PDMS Microfluidic Device Wettability Using Syringe-Vacuum-Induced Segmented Flow in Nonplanar Geometry
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2018-01-19 00:00:00 , DOI: 10.1021/acsami.7b17132
Chang-Hyung Choi 1, 2 , Hyomin Lee 1, 3 , David A. Weitz 1
Affiliation  

We present a simple and rapid method to spatially pattern the surface wetting properties of PDMS microfluidic devices by layer-by-layer (LbL) deposition of polyelectrolytes using syringe-vacuum-induced segmented flow in nonplanar geometry. Our technique offers selective surface modification in microfluidic chips with multiple flow-focusing junctions, enabling production of monodisperse double- and triple-emulsion drops.

中文翻译:

在非平面几何中使用注射器-真空诱导的分段流动对PDMS微流控装置润湿性进行快速图案化

我们提出了一种简单而快速的方法,通过使用注射器-真空诱导的非平面几何形状的分段流动,通过聚电解质的逐层(LbL)沉积,在空间上对PDMS微流体装置的表面润湿特性进行空间图案化。我们的技术在具有多个流聚焦连接的微流控芯片中提供了选择性的表面修饰,从而能够生产单分散的双乳液和三乳液液滴。
更新日期:2018-01-19
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