[Determination of common esterase D phenotypes by HPLC]
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1Department of Forensic Medicine, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan.
Abstract:
The analysis of blood Esterase D (ESD) phenotypes was performed by using high performance liquid chromatography (HPLC). The hemolysate was first treated with a cation exchanger to remove hemoglobin, injected into HPLC on a weak anion exchange column, and developed to become fluorescent with reaction reagent. The chromatogram of each ESD phenotype was distinct from those of the other phenotypes. ESD protein was confirmed by isoelectric focusing in the HPLC fraction that was referred for ESD typing. This HPLC method can be used to determine the common ESD phenotypes in blood.
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