To barcode the cells we developed a microfluidic device with four inlets for the bhms cells rt lysis reagents and carrier oil and one outlet port for droplet collection figure 3 and s2 the device generates monodisperse droplets that can be varied in the range of 1 ndash 5 nl at a rate of 10 ndash 100 drops per second simultaneously mixing aliquots from the inlets figures 3a ndash 3c movies s1.

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