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. 2014 Jan 27;9(1):e86341. doi: 10.1371/journal.pone.0086341

Figure 4. ScanDrop: E. coli detection.

Figure 4

A) Microfluidic chip operating inside the imaging system. B) Droplet array as viewed from the top camera. Arrows indicate tubing/chip connection locations as follows: o- oil (inlet); b- beads conjugated with E. coli (inlet); a- fluorescently labeled antibody (inlet); w- waste (outlets). C) Droplet image as seen from the top camera with white LED illumination. D) Antibody green fluorescence indicates the presence of RFP-expressing E. coli (positive control).