Hello,

I am doing a cytotoxicity test. I am using the CellTiter Glo 2.0 Assay, to measure ATP with Luminescence. I use the Cytation 5 to do my luminescence readings.

I have a lot of variability between my duplicates.

I have tried a lot of things to remove this variability, such as recalibrating my pipettes, making sure I am consistent in my pipetting action. I use a 96well plate with white walls and a clear bottom. I have read that the clear bottom could be the issue.

In one test, I measured the luminescence with the clear bottom and with the bottom covered with white tape. There was no difference with the variability of my duplicates.

Does someone have other suggestions?

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