A simple method for measuring neopterin in serum using HPLC.
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Biopterins↗
Biomedical subjects
S M Palfrey
Publications and source records attributed to S M Palfrey.
Determination of 4-hydroxy-3-methoxymandelic acid in urine using HPLC with electrochemical detection.
A method is described for the assay of 4-hydroxy-3-methoxymandelic acid (HMMA) in urine using HPLC coupled with electrochemical detection. In this method acidified urine is extracted with ethyl acetate which is then washed with the chromatography solvent to back extract HMMA. The solvent is a pH 5.0 citrate buffer. At this pH, HMMA separates clearly from all other electroactive compounds present in urine.
Chromatography, High Pressure Liquid↗
Cost effectiveness and efficacy of below knee against above knee graduated compression stockings in the prevention of deep vein thrombosis.
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Adult↗