Correction to Calculating Radiation Exposures during Use of 14C-Labeled Nutrients, Food Components, and Biopharmaceuticals To Quantify Metabolic Behavior in Humans
نویسندگان
چکیده
Theunit ofACE inhibitory activity of identified substances in the Abstract, Results and Discussion, and Table 3 should be corrected to (IC50, μM). The correct ACE inhibitory activities are as follows: Ala-Trp, IC50=10 μM;Gly-Trp, IC50=30 μM;Ala-Tyr, IC50= 48 μM; Ser-Tyr, IC50= 67 μM;Gly-Tyr, IC50= 97 μM; Ala-Phe, IC50=190 μM;Val-Pro, IC50=480 μM;Ala-Ile, IC50=690 μM; Val-Gly, IC50 = 1100 μM; and nicotianamine, IC50 = 0.26 μM.
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Calculating Radiation Exposures during Use of 14C-Labeled Nutrients, Food Components, and Biopharmaceuticals To Quantify Metabolic Behavior in Humans
(14)C has long been used as a tracer for quantifying the in vivo human metabolism of food components, biopharmaceuticals, and nutrients. Minute amounts (< or =1 x 10 (-18) mol) of (14)C can be measured with high-throughput (14)C-accelerator mass spectrometry (HT (14)C-AMS) in isolated chemical extracts of biological, biomedical, and environmental samples. Availability of in vivo human data sets...
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