Bubble‐free electrokinetic flow with propylene carbonate
作者： Deepa Sritharan , Abraham Simpson Chen , Prabhath Aluthgama , Bilal Naved , Elisabeth Smela
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摘要: For electroosmotic pumping, a large direct-current (DC) electric field (10+ V/cm) is applied across liquid, typically an aqueous electrolyte. At these high voltages, water undergoes electrolysis to form hydrogen and oxygen, generating bubbles that can block the electrodes, cause pressure fluctuations, lead pump failure. The requirement manage gases constrains system designs. This article presents alternative polar liquid for DC electrokinetic propylene carbonate (PC), which remains free of up at least 10 kV/cm. offers opportunity create devices in closed configurations, we demonstrate with fully sealed microfluidic hydraulic actuator. Furthermore, velocity PC similar PDMS microchannels. Thus, could be substituted by existing pumps.
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