EN
Maruchin, J. E. and Olesiński, J.: Isolation and fluorometric determination of homovanillic acid in urine and tissues. Acta physiol, pol., 1988, 39 (2): 129-135. The fluorometric method is described for determination of the final product of dopamine metabolism homovanillic acid in urine, amniotic fluid and tissue extracts. The metabolit was isolated using three chromatographic columns (1-Amberlit CG-50, 2-Dowex AG 1X2, 8-Aluminium oxid). Oxidation of eluates to emitter was done with potassium ferricyanide in alkalic medium. The use of internal standards made high recovery of compound and a good specificity and sensitivity of detection.