Abstract
The aim of the study was to compare two kinds of extraction of cortisol from human saliva. The first was made with dichloromethane and the second by solid-phase extraction. Saliva was sampled in the evening into plastic tubes then cortisol was extracted and analyzed by LC with detection at 240 nm. The limit of detection was 1 ng mL−1 for extraction with dichloromethane and 3 ng mL−1 for SPE extraction. Both methods of extraction were applied to the analysis of saliva samples without any interference peaks.
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Dziurkowska, E., Wesolowski, M. Evaluation of Two Techniques for Extraction of Cortisol from Human Saliva. Chroma 70, 769–774 (2009). https://doi.org/10.1365/s10337-009-1239-0
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DOI: https://doi.org/10.1365/s10337-009-1239-0