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. 2014 Apr 10;3(2):341–355. doi: 10.3390/pathogens3020341

Figure 2.

Figure 2

Results of the general E. coli (ATCC 8739 or Crook’s strain) LF test strip screening experiment with ~104 live E. coli per LF test led to selection of 5ʹ-biotin-EcO 3R-3ʹ-digoxigenin on streptavidin-40 nm colloidal gold (used for all LF strips in this figure) and EcO 4F-5ʹ-amine capture aptamer dot on HF-180 membranes as the best system to pursue further (red arrows). Notice also the strong anti-digoxigenin control (C) lines or dots in each case.