Abstract
Plasma serotonin (5-HT) active pool was monitored in male volunteers by intravenous microdialysis coupled to HPLC–EC with 98.6% efficient probes. 5-HT was monitored from 60 min before to 360 min after an oral dose of fluoxetine, a 5-HT uptake inhibitor, or vehicle. The basal values were within nanomolar range (0.55 to 4.6 ng/ml). After administration of fluoxetine, there was a significant increment of 5-HT with respect to controls. These results showed that intravenous microdialysis is an alternative efficient technique to monitor endogenous unbound 5-HT changes in plasma without extracting blood or sample pretreatment procedures before the chemical analysis.
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Schedule a callMore From: Journal of Chromatography B: Biomedical Sciences and Applications
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