Figure 5.
Cross-reactivity and specificity of the colorimetric MDPV-CBSAzyme-based assay. Photographs of samples containing (A) buffer-only control sample or 11 synthetic cathinones and (B) MDPV or 5 interferents after 15 min of reaction. All drugs or interferents were present at 250 μM. [Each fragment] = 1 μM.