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Question: What does the number result on the SystemSURE II mean?
Answer:
The SystemSURE II luminometer displays results in RLU (Relative Light Unit) values. The light produced from the reaction between ATP and the enzyme in the Ultrasnap device reagent is emitted in the form of photons. The SystemSURE II detects these photons, quantifies them, and displays them as an RLU value. This RLU value and the ATP on a surface are in a 1:1 ratio. Therefore, more ATP present on a surface means more light is emitted in the Ultrasnap reaction, giving a greater RLU number detected by the SystemSURE II.
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