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Aliquot stretching using different chip designs: (a) 3 cm channel, (b) 5.5 cm channel, (c) 5.5 cm channel with HB, (d) 8.8 cm channel with HB. (e) APD traces for the aliquots containing PE dye and fluorescent beads at the second detection line. The spikes in four images indicated that fluorescent beads triggered sorting at the first sorting junction and passed through the second detection line, along with the aliquot.
