Electrokinetic Desalting and Salting of Water-in-Oil Droplets
Aparna Krishnamurthy,
Robbyn K. Anand
Abstract:Droplet-based microfluidic platforms demand modifications to the droplet composition to facilitate reactions and analyses. However, limited techniques exist to modify the droplet contents post their generation. Here, ion transport across two ionexchange membranes possessing distinct selectivity is employed to introduce ions into (salt) or extract ions from (desalt) water-in-oil droplets. The ion concentration distribution and transport mechanisms are visualized using a precipitation reaction and a charged fluo… Show more
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