A new tool for controlling reactions in microrobots and microreactors

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In a new paper, Thomas Russell and postdoctoral fellow Ganhua Xie, at the University of Massachusetts Amherst and Lawrence Berkeley National Laboratory, report that they have used capillary forces to develop a simple method for producing self-assembling hanging droplets of an aqueous polymer solution from the surface of a second aqueous polymer solution in well-ordered arrays.

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