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Well-to-well variation observed
Incorrect dispensing and/or experimental setup parameter used. A fluorescence microplate reader with automatic dispensing should be used for assays requiring precise…
Tue, Jul 18, 2023
More than two populations appear upon apoptosis induction.
It's the property of the dye. Apoptosis is a multi-stage process and Nuclear-ID green dye can distinguish different levels of…
Tue, Jul 18, 2023
Healthy cells show very high fluorescence intensity
PMT setting is too high. Lower PMT setting on flow cytometer. Incubation temperature. Incubation with the dye should be at…
Tue, Jul 18, 2023
Poor Mito-ID staining observed.
Stained cells may have been exposed to strong light. Mito-ID® MP dye is light sensitive; be sure to protect samples…
Tue, Jul 18, 2023
Untreated cells have calcium response
Inconsistent DMSO concentration. Ensure that buffer used for the negative control wells has the same final concentration of DMSO as…
Tue, Jul 18, 2023
Mito-ID cell staining is too strong
Mitochondrial membrane potential dye is too concentrated for the cell type used. Optimize for different cell types by diluting the…
Tue, Jul 18, 2023
What type of media is best for use in ADI-907-012 and ADI-907-015 H2O2 assays?
Media containing phenol red as a pH indicator will interfere in the assay. Most media are available with this removed…
Tue, Jul 18, 2023
Do I need a luminometer with double injectors for this assay?
Yes. A single injector will not provide good results. You cannot pre-mix the arachidonic acid and substrate to make a…
Tue, Jul 18, 2023
Can I use cell culture samples in the COX Activity assay?
Cell culture samples are compatible with this kit. Since this is an activity assay rather than a quantitative immunoassay, there…
Tue, Jul 18, 2023
In the sPLA2 activity kit (ADI-907-002), how is a Unit defined?
One unit of phospholipase activity is the amount of enzyme needed to hydrolyze 1.0 µmole of L-a-phosphatidylcholine to L-a-lysophosphatidylcholine and…
Tue, Jul 18, 2023