A modified inactivation - inhibition method for determining the serum activity of alkaline phosphatase isoenzymes - Stepan, J.; Volek, V.; KolaR, J. (Elsevier)
A procedure using heat inactivation and L-phenylalanine inhibition to quantitate the activities of bone, liver and intestinal alkaline phosphatase isoenzymes in human serum was confirmed by alkaline phosphatase isoenzyme analysis using an electrophoretic procedure. The results of this assay were compared with the radionuclear ^8^5Sr test, and gamma-glutamyl transpeptidase activity in a group of patients with hepatobiliary and bone diseases.
http://linkinghub.elsevier.com/retrieve/pii/0009-8981(76)90465-4
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