Table 2.
Issue | Contingency | Grade |
---|---|---|
Aspirator breaks. | Use multi‐channel pipette to remove wash. | Green |
No precoated plates prepared. | Masterplate stored in fridge at 4°C for up to 72 h. | Green |
Barcode scanner breaks. | Manually record the barcode number in the paper log and on the 2 ml tube, proceed as normal. | Amber |
Clumpy/hemolyzed sample upon aliquoting. | Record this information in log and continue. | Amber |
Plate reader failure. | Add 50 μl of 1 M NaOH to quench plate at 15 min after addition of substrate, store in dark by wrapping in foil at room temperature until problem can be resolved. | Red |
If >12 h repeat assay. | ||
Any steps not completed as per SOP/missed. | Terminate assay and repeat next day. | Red |