The CheckLite ATP Eliminating Kit is used for microbial biomass studies based on the ATP measurement method. All living cells, including microorganisms, use ATP as an energy source. Therefore, total cell mass can be determined by measuring bioluminescence using the luciferase reaction. Normally, this is done by extracting ATP from the sample, using the ATP-releasing reagent, such as in the CheckLite 250 Plus. However, this requires that the extracellular ATP is low.
A major problem, however, is that extracellular ATP can be several orders of magnitude higher in some samples, hindering sensitive detection of intracellular ATP. The ATP Eliminating Reagent eliminates extracellular ATP to very low concentrations and enables the targeted detection of bacteria.