Abstract:This simplified HPLC method for measurement of high-molecular-mass alkaline phosphatase (high-Mr AP; EC 3.1.3.1) in serum and bile is rapid (time for column preparation and separation 30 min), reproducible (CV 4.2%), and highly sensitive (detects high-Mr AP in healthy controls at 1-3% of total AP activity in serum), and is suitable for processing small batches of sample. We characterized high-Mr AP in serum and bile by incubating samples with L-phenylalanine, neuraminidase, 1-butanol, or wheat-germ lectin, and… Show more
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