Tag Archives: CE

Trace determination of sulfonylurea herbicides in water and grape samples by capillary zone electrophoresis using large volume sample stacking

Posted on 23 May, 2010 by fqm302

A sensitive and reliable method using capillary zone electrophoresis with UV-diode array detection has been developed and validated for trace determination of residues of sulfonylurea herbicides in environmental water samples and grapes from different origins. The analytes included are triasulfuron, … Continue reading →

Posted in CZE, Electrophoresis, Food, Fruit, Pesticides, Stacking, Sulfonylurea, UV-vis, Water | Tagged | Comments Off on Trace determination of sulfonylurea herbicides in water and grape samples by capillary zone electrophoresis using large volume sample stacking

Advances in chemiluminescence detection in HPLC and capillary electrophoresis

Posted on 23 April, 2010 by fqm302

During the last two decades, the use of chemiluminescence (CL) in liquid phase has provided a well-established and widely applied spectrometric branch of Analytical Chemistry. The versatility of this technique permits the determination of a great variety of species that … Continue reading →

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Laser induced fluorescence coupled to capillary electrophoresis for the determination of fluoroquinolones in foods of animal origin using molecularly imprinted polymers

Posted on 17 February, 2010 by fqm302

A method for the simultaneous determination of four fluoroquinolones of veterinary use (ciprofloxacin, danofloxacin, enrofloxacin and sarafloxacin) in two complex matrixes, such as bovine raw milk and pig kidney, has been established and validated. The method is based on the … Continue reading →

Posted in Antibiotics, CZE, Electrophoresis, Fluorescence, Food, LIF, MIPs, Milk, Pig kidney, Quinolones, Sample treatment | Tagged | Comments Off on Laser induced fluorescence coupled to capillary electrophoresis for the determination of fluoroquinolones in foods of animal origin using molecularly imprinted polymers

Sensitive determination of fluoroquinolone residues in waters by capillary electrophoresis with laser induced fluorescence detection

Posted on 9 February, 2010 by fqm302

A sensitive capillary electrophoresis –laser-induced fluorescence method has been developed for the determination of six fluoroquinolones of human (ofloxacin, lomefloxacin, and norfloxacin) and veterinary use (danofloxacin, enrofloxacin, and sarafloxacin) in different kinds of water. Fluorescence detection was achieved using a … Continue reading →

Posted in Antibiotics, CZE, Electrophoresis, Fluorescence, LIF, Quinolones, SPE, Water | Tagged | Comments Off on Sensitive determination of fluoroquinolone residues in waters by capillary electrophoresis with laser induced fluorescence detection