Summary
Several assays of the enzymatic activities of serum cholinesterase, ceruloplasmin and alkaline phosphatase of 30 healthy students during a 9 months period revealed quite constant enzyme levels for each subject. Further, it was observed that most of the subjects maintained a specific enzyme activity value and that the individual range of scatter was characteristic for each one of them.
According to our studies it seems probable that quantitative enzyme assays in adults can also be rated as biochemical parameters of individuality.
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Hosenfeld, D., Schröter, E. Concerning the question of individual constancy and individual specificity of three serum enzyme activities (serum cholinesterase EC 3.1.1.8, ceruloplasmin EC 1.10.3.2, and alkaline phosphatase EC 3.1.3.1). Humangenetik 9, 38–42 (1970). https://doi.org/10.1007/BF00696012
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DOI: https://doi.org/10.1007/BF00696012