Kurum Yazarı "Uysal, Ülkü Dilek" Kimya Bölümü İçin Listeleme
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Bazı Flavonoidlerin Yarı-Deneysel Çalışması
Kurt, Gürkan; Uysal, Ülkü Dilek; Berber, Halil (2015)Bu çalışmada, altı flavonol-glikozit ve tautomerlerinin kararlılık, reaktivite, geometri, nükleofilisite, muhtemel H-bağları ve enerji gibi bazı teorik özellikleri MOPAC 2012 paket programı ile PM6 ve PM7 yarı deneysel ... -
Calculation of Acidity Constants of Azo Dyes Derived 4-(Phenyldiazenyl)Benzene-1,3-Diol By Dft Method
Berber, Halil; Uysal, Ülkü Dilek (2015)Bu çalışmada, 4-(phenyldiazenyl) benzene-1,3-diolden türetilmiş altı azo boyar maddenin asitlik sabitleri Gaussian09 [1] program (B3LYP/6-311++G(d,p)) (DFT metodu) ile hesaplanmıştır.[2]. Elde edilen teorik veriler deneysel ... -
Determination of naproxen in tablets by using first derivative potentiometry
Uysal, Ülkü Dilek; Tunçel, Muzaffer (2004)Bu çalışmada, naproksen sodyumun potansiyometrik tayini tanıtılmaktadır. Naproksenin tayini için en iyi çözücü sistemi, sodyum klorür ilavesiyle 0,1 iyonik şiddete ayarlı % 20 etanol (h/h) olarak bulundu. Aktif maddenin ... -
Rapid direct spectrophotometric determination of zirconium(IV) in alloys with 2,2/,3,4-tetrahydroxy-3/-sulpho-5/-carboxyazobenzene reagent
In this study, 2, 2', 3, 4-tetrahydroxy-3'-sulpho-5'-carboxyazobenzene (tetrahydroxyazon SC) has been synthesized for the first time and used for direct spectrophotometric determination of zirconium(IV). Tetrahydroxyazon ... -
A semi-empirical and density functional theory study of 2,2',3,4-tetrahydroxy-3'-sulpho azobenzene derivatives and their zirconium complexes
Uysal, Ülkü Dilek (2013)In this study, certain theoretical properties of three tetrahydroxyazo derivatives and their zirconium complexes, such as stability, reactivity, geometry and energy have been calculated by MOPAC2009 with the PM6 method and ... -
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 ...