Channel Shapes Split Microdrops
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Free registration required to read the article. “One important component of labs-on-a-chip is the capability of handling tiny volumes of liquid precisely. Researchers from Harvard University have come up with a method for breaking larger drops into daughter drops of specific volumes.
The method is passive; it uses the pressure-driven flow of liquid through microscale channels containing T-shaped junctions or isolated obstacles to create the daughter drops.
The method could be used in future labs-on-a-chip to, for example, break off a portion of a reaction that is taking place in a droplet in order to analyze the reaction at that point.”
