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Comparison of the DEAE filter to the biotin–avidin microplate assay
| Characteristics | DEAE filter | Microplate assay |
|---|---|---|
| Enzyme specific | No | No |
| Fully commercially available | No | No |
| Z-factor | −0.32 | 0.66 |
| Background | High (∼500 CPM) | Low (∼50 CPM) |
| Ease of assay | Low | High |
| Assay type | End point | End point |
