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Exp Mol Med ; 33(2): 103-5, 2001 Jun 30.
Article in English | MEDLINE | ID: mdl-11460880

ABSTRACT

Albumin is the most abundant protein in human serum. A dye-binding method is commonly used in clinical laboratories for its estimation using different types of dyes. However, all these dye methods were interfered by a variety of compounds. Here we present a method for the detection of albumin in human serum and other biological fluids. The principle is based on the fact that lactate dehydrogenase isoenzyme-5 (LDH-5) binds specifically to Dextran-Blue (DB). Albumin inhibits the binding of LDH-5 with DB. Absence of LDH activity in DB fraction after gel filtration indicates the presence of albumin in sample and vice versa.


Subject(s)
Chemistry, Clinical/methods , Serum Albumin/analysis , Chromatography, Gel , Humans , Isoenzymes/metabolism , L-Lactate Dehydrogenase/metabolism , Lactate Dehydrogenase 5 , Protein Binding , Sepharose/chemistry
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