Sorting drops and cells with acoustics: acoustic microfluidic fluorescence-activated cell sorter

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Abstract:

We describe a versatile microfluidic fluorescence-activated cell sorter that uses acoustic actuation to sort cells or drops at ultra-high rates. Our acoustic sorter combines the advantages of traditional fluorescence-activated cell (FACS) and droplet sorting (FADS) and is applicable for a multitude of objects. We sort aqueous droplets{,} at rates as high as several kHz{,} into two or even more outlet channels. We can also sort cells directly from the medium without prior encapsulation into drops; we demonstrate this by sorting fluorescently labeled mouse melanoma cells in a single phase fluid. Our acoustic microfluidic FACS is compatible with standard cell sorting cytometers{,} yet{,} at the same time{,} enables a rich variety of more sophisticated applications.

Publisher's Version

Last updated on 11/13/2020