Kurum Yazarı "Uysal, Ülkü Dilek" PubMed İndeksli Yayınlar Koleksiyonu İçin Listeleme
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A Rapid Determination of Patulin Using Capillary Zone Electrophoresis and its Application to Analysis of Apple Juices
Güray, Tufan; Tunçel, Muzaffer; Uysal, Ülkü Dilek (Oxford University Press Inc, 2013)This study describes a capillary zone electrophoretic method for the determination of patulin. An optimum run buffer was found to be 25 mM of sodium tetraborate and 10% acetonitrile (v/v) at pH 10. Optimum conditions were ... -
Separation of catechins and methylxanthines in tea samples by capillary electrochromatography
Uysal, Ülkü Dilek; Aturki, Z.; Raggi, M. A.; Fanall, S. (2009)In this paper, the simultaneous separation of several polyphenols such as (+)-catechin, (-)-epicatechin, (-)-epigallocatechin, theophylline, caffeine in green and black teas by capillary electrochromatography (CEC) was ... -
Time and temperature dependent microbiological and mycotoxin (ochratoxin-A) levels in boza
Uysal, Ülkü Dilek; Öncü Kaya, Elif Mine; Berikten, Derya; Yılmaz, Neşe; Tuncel, Necati Barış; Kıvanç, Merih; Tuncel, Muzzaffer (Elsevier Science BV, 2009)This study describes the examination of microbiological tests and the determination of OTA in boza temperature and time dependently. Prior to the analysis, physicochemical properties of the boza samples such as moisture, ... -
A validated capillary electrophoretic method for the determination of indacaterol and its application to a pharmaceutical preparation
Güray, Tufan; Tunçel, Muzaffer; Uysal, Ülkü Dilek (Food & Drug Adminstration, 2018)Indacaterol is a new inhaled ultra-long acting beta(2)-agonist. It has been recently approved in the European Union for the treatment of chronic obstructive pulmonary disease. This paper reports, for the first time, a ... -
A Validated Capillary Electrophoretic Method for the Determination of Olopatadine and Its Application to a Pharmaceutical Preparation of Eye Drops
Güray, Tufan; Turan, Tuğba; Tunçel, Muzaffer; Uysal, Ülkü Dilek (Aoac Int, 2017)A validated rapid and sensitive capillary zone electrophoretic method for the determination of olopatadine hydrochloride (OLO) is described. Optimum conditions were found: 20 mmol/L sodium tetraborate buffer, acetonitrile ...