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. 2015 Oct 27;7(10):4381–4389. doi: 10.3390/toxins7104381

Figure 1.

Figure 1

Detection abilities of bead-ELISA for Stx1 and Stx2: (A) Representative standard curve for Stx1 and Stx2 determined by bead-ELISA. Purified recombinant Stx1 or Stx2 at the concentration indicated were assayed by bead-ELISA for Stx1 (black rhombus) or Stx2 (white rhombus), respectively. Standard curves were independently prepared for each analysis. (B, C) Effect of stool specimen on Stx detections. Purified recombinant Stx1 (B) or Stx2 (C) suspended in PBS (black rhombus) or stool specimen obtained from healthy human (white square) were assayed by bead-ELISA for Stx1 (B) or Stx2 (C), respectively. Data are means ± SD of values from three experiments.