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Reference type: Journal
Authors: Caro E, MarcÚ RM, Cormack PAG, Sherrington DC, Borrull F
Article Title: Direct determination of ciprofloxacin by mass spectrometry after a two-step solid-phase extraction using a molecularly imprinted polymer.
Publication date: 2006
Journal: Journal of Separation Science
Volume: 29
Issue: (9)
Page numbers: 1230-1236.
DOI: 10.1002/jssc.200500439

Abstract: A molecularly imprinted polymer (MIP) has been prepared for the first time with ciprofloxacin (CIPRO) as the template molecule, via a noncovalent synthetic procedure. Prior to its use as a sorbent in SPE, the MIP was evaluated chromatographically to confirm that it was indeed molecularly imprinted. The MIP was then used to extract CIPRO selectively from urine samples by means of a two-step SPE procedure in which a commercial Oasis cartridge and a molecularly imprinted SPE cartridge were combined in series. This approach allowed the matrix compounds present in the samples to be removed effectively. The urine extracts obtained after this two-step SPE procedure was applied were relatively clean compared to the original samples, and this made it possible to inject directly the extracts into a mass spectrometer and thus quantify CIPRO in urine samples at low levels and reduce the time of analysis
Template and target information: ciprofloxacin, CIPRO
Author keywords: Fluorinated Quinolones, human urine, mass spectrometry, molecularly imprinted polymer, Solid-phase extraction


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