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The result is reported in EU/mg on the Certificate of Analysis at cell-culture-reference acceptance limits, giving researchers an upfront figure when planning sterile cell-based assays and minimizing the risk of confounding cytokine responses

2006 Apr;97(2):303-9

Then, the cells were trypsinised, fixed with 4% PFA, permeabilised and labelled with Alexa Fluor 647 picolyl azide

Nothing in the table is a recommendation about how much material to use in an experiment it is the arithmetic that tells you what concentration you are holding once you have added a known volume, so that the number you write in the notebook matches what is in the container