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Reference type: Journal
Authors: Pebdani AA, Shabani AMH, Dadfarnia S, Khodadoust S
Article Title: Solid phase microextraction of diclofenac using molecularly imprinted polymer sorbent in hollow fiber combined with fiber optic-linear array spectrophotometry.
Publication date: 2015
Journal: Spectrochimica Acta Part A-Molecular and Biomolecular Spctroscopy
Volume: 147
Page numbers: 26-30.
DOI: 10.1016/j.saa.2015.03.057
Alternative URL: http://www.sciencedirect.com/science/article/pii/S1386142515003534

Abstract: A simple solid phase microextraction method based on molecularly imprinted polymer sorbent in the hollow fiber (MIP-HF-SPME) combined with fiber optic-linear array spectrophotometer has been applied for the extraction and determination of diclofenac in environmental and biological samples. The effects of different parameters such as pH, times of extraction, type and volume of the organic solvent, stirring rate and donor phase volume on the extraction efficiency of the diclofenac were investigated and optimized. Under the optimal conditions, the calibration graph was linear (r2 = 0.998) in the range of 3.0-85.0 μg L-1 with a detection limit of 0.7 μg L-1 for preconcentration of 25.0 mL of the sample and the relative standard deviation (n = 6) less than 5%. This method was applied successfully for the extraction and determination of diclofenac in different matrices (water, urine and plasma) and accuracy was examined through the recovery experiments
Template and target information: diclofenac
Author keywords: molecularly imprinted polymer, Hollow fiber, solid phase microextraction, diclofenac, Spectrophotometry

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