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. 2017 Sep 21;7:12073. doi: 10.1038/s41598-017-12170-4

Figure 2.

Figure 2

Determination of inhibitor detection limit for the optimized Cruzipain assay. Different E-64 concentrations were assessed to determine the inhibitor concentration causing an average inhibition equivalent to the statistically robust cutoff ([I]MINIMAL). For clarity, only E-64 concentrations ranging from 0 (enzyme control) to 4 nM are shown. To accurately describe the data dispersion, 24 replicates were used for each concentration point.