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The content of each sample in AChE in vitro assay.
| Samples | ATCI | DTNB | Buffer | Chalcone | AChE |
|---|---|---|---|---|---|
| Control blank sample with enzyme (A0E) | + | + | + | − | + |
| Blank sample (A0) | + | + | + | − | − |
| Tested sample (AC) | + | + | + | + | + |
| Blank test sample (A0C) | + | + | + | + | − |
+: present; −: absent.
