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Abstract (1)The effect of light on the fluorescence of the ethylene diamine condensation products of the oxidized catechol amines has been studied. (2)It was found that exposure of the norepinephrine derivative for 30 minutes to light reduced the fluorescence to a very low level. The epinephrine...
Abstract Human serum protein fractions were separated by continuous-flow electrophoresis and purified by dialysis, lipid extraction, lyophilization, and drying to constant weight. Increasing amounts of each of the protein fractions were applied to strips of filter paper. One set of strips was...
Abstract 1. At low temperatures and in the absence of light, ferrous ammonium sulfate exerts a stabilizing effect on the reaction between ferric chloride and phenylpyruvic acid. This reaction is not affected by uranyl nitrate, which has been found by us to be an effective precipitant for...
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