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Labsystems Diagnostics' Neonatal Galactose is a quantitative fluorometric test for the total galactose from dried blood spot samples. The test is based on the combined determination of free and galactose liberated from the cleavage of the galactose-1-phosphate.
The determination is based on two reactions. In the first reaction galactose is cleaved from galactose-1-phosphate. In the second reaction galactose serves as a substrate for enzymatic reaction that produces a fluorogenic product. Fluorescence intensity of the reaction is therefore proportional to the amount of galactose in the sample.