Journal
JOURNAL OF FLUORESCENCE
Volume 29, Issue 4, Pages 1039-1047Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10895-019-02417-w
Keywords
Naproxen; DLLME-SFO; Spectrofluoremetry; Central composite design
Funding
- chemical research laboratories in Central Tehran Branch, Islamic Azad University
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A quick, simple and efficient method for extraction, preconcentration, and determination of naproxen in water and plasma specimens with acceptable recovery by dispersive liquid-liquid microextraction based on solidified floating organic drop with spectrofluorimetry is presented. Various parameters affecting the extraction efficiency are optimized by the Central Composite Design. Moreover, under optimal conditions (120 mu L 1-Undecanol with 1 mL Ethanol, pH = 3.5, 2 mL KCl 10% solution), the calibration curve was linear in the range 10.0-120.0 ng/mL. Finally, for naproxen, the detection limit was 2.4 ng/mL.
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