نتایج جستجو برای: high performance liquid affinity chromatography hplac

تعداد نتایج: 3079557  

Journal: :Journal of Japan Oil Chemists' Society 1980

Journal: :Clinical chemistry 1983
B Kågedal A Pettersson

A phenylboronate affinity gel has been investigated for use in the prepurification of urine before "high-performance" liquid chromatography and electrochemical determination of 5-S-L-cysteinyl-L-dopa. At pH 5.6 this naturally occurring 5-S-cysteinyldopa was adsorbed on a phenylboronate column and was quantitatively eluted with trichloroacetate, pH 3.0. This pretreatment of urine before "high-pe...

Journal: :Journal of Japan Oil Chemists' Society 1983

Journal: :Journal of Clinical Pharmacy and Therapeutics 1990

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