Summary
A sensitive and reproducible reversed-phase high-performance liquid chromatography with electrochemical detection for determination of serotonin in human plasma is described. The method has an average coefficient of variation of 3.5%; the recovery of serotonin and 5-hydroxy-N-methyltryptamine (internal standard) accounts for 95±2%. Average serotonin concentrations in platelet-free plasma and in platelet-rich plasma from 21 normal subjects (22-63-year-old) ranged from 0.6 to 4.9 ng/ml (mean 2.8±1.3 SD) and from 38.3 to 106.5 ng/108 platelets (mean 66.8±18.9 SD), respectively. The release of endogenous serotonin from human aggregating platelets challenged by collagen or adenosine diphosphate has been quantitated.
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This work was partially supported by a grant (contract no. 83.02081.04) from theConsiglio Nazionale delle Ricerche (CNR), Roma, Italy.
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Marashini, B., Biondi, M.L., Pietta, P. et al. High-performance liquid chromatographic assay of serotonin in human plasma. La Ricerca Clin. Lab. 15, 63–69 (1985). https://doi.org/10.1007/BF03029163
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DOI: https://doi.org/10.1007/BF03029163