O F Denstedt

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Numerous methods, enzymatic and chemical, have been reported for the determination of small amounts of citric acid in biological fluids. Of the chemical methods the majority involve the conversion of the citric acid to pentabromoacetone, which may be estimated by various gravimetric, titrimetric, or calorimetric procedures. The more recent modifications(More)
In a previous study on the distribution of diphosphopyridine nucleotidase in the rabbit erythrocyte, we found that a nicotinamide-inhibitable DPNase is closely associated with the structural components of the cell. On hemolysis the enzyme remains firmly attached to the insoluble stroma and thus can be completely removed from the hemolysate by(More)