Yazar "Başaran, İsmet" için listeleme
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Binding and selectivity of dihydrogen phosphate by h-bond donors and acceptors in a tripodal-based thiourea receptor
Başaran, İsmet; Khansari, Maryam Emami; Pramanik, Avijit; Wong, Bryan M.; Hossain, Md. Alamgir (Pergamon-Elsevier Science Ltd, 2015)Anion binding properties of a quinoline-based tripodal tris-thiourea receptor have been studied for several oxoanions including perchlorate, nitrate, hydrogen sulfate, and dihydrogen phosphate by H-1 NMR and UV-vis titrations ... -
Crystal structure of bis(bis{(E)-[(6-{(E)-[(4-fluorobenzyl)imino]methyl}pyridin-2-yl)methylidene](4-fluorophenyl)amine}nickel(II)) tetrabromide nonahydrate
Başaran, İsmet; Rhaman, Md Mhahabubur; Powell, Douglas R.; Hossain, Md Alamgir (Int Union Crystallography, 2015)In the title complex, [Ni(C21H17F2N3)(2)](2)Br-4 center dot 9H(2)O, there are two independent metal complexes per asymmetric unit and two ligands per metal complex. The structural features (bond lengths and angles) of the ... -
An exclusive fluoride receptor: fluoride-induced proton transfer to a quinoline-based thiourea
Başaran, İsmet; Khansari, Maryam Emami; Pramanik, Avijit; Wong, Bryan M.; Hossain, Md Alamgir (Pergamon-Elsevier Science Ltd, 2014)A new quinoline-based tripodal thiourea has been synthesized, which exclusively binds fluoride anion in DMSO, showing no affinity for other anions including chloride, bromide, iodide, perchlorate, nitrate, and hydrogen ... -
In vitro inhibition effect of some dihydroxy coumarin compounds on purified human serum paraoxonase 1 (pon1)
Erzengin, Mahmut; Başaran, İsmet; Çakır, Ümit; Aybey, Aynur; Sinan, Selma (Humana Press Inc, 2012)Human serum paraoxonase 1 (PON1; EC 3.1.8.1) is a high-density lipoprotein associated, calcium-dependent enzyme that hydrolyses aromatic esters, organophosphates and lactones and can protect the low-density lipoprotein ... -
In vitro inhibition effects of some coumarin derivatives on human erythrocytes glucose-6-phosphate dehydrogenase activities
Hopa, Ersin; Başaran, İsmet; Sinan, Selma; Turan, Yusuf; Çakır, Ümit (Taylor & Francıs Ltd, 2014)Inhibitory effects of some synthesized dihydroxycoumarin compounds on purified G6PD were investigated. For this purpose, initially human erythrocyte G6PD was purified 7069-fold in a yield of 33.6% by using ammonium sulfate ... -
In vitro inhibition of cytosolic carbonic anhydrases I and II by some new dihydroxycoumarin compounds
Başaran, İsmet; Sinan, Selma; Çakır, Ümit; Bulut, Mustafa; Arslan, Oktay; Özensoy, Özen (Taylor & Francis Ltd, 2008)A new series of 6, 7-dihydroxy-3-(methylphenyl) chromenones, including three new derivatives, i.e. 6,7-dihydroxy-3-(2-methylphenyl)-2H-chromen-2-one (OPC); 6,7-dihydroxy-3-(3-methylphenyl)-2H-chromen-2-one (MPC); ... -
A study of complexation-ability of neutral Schiff bases to some metal cations
Topal, Giray; Tümerdem, Recep; Başaran, İsmet; Gümüş, Arzu; Çakır, Ümit (Mdpi Ag, 2007)The constants of the extraction equilibrium and the distribution for dichloromethane as an organic solvent having low dielectric constant of metal cations with chiral Schiff bases, benzaldehydene-(S)- 2- amino- 3- ... -
Synthesis and anion binding properties of a urea-based molecular cleft
Başaran, İsmet; Wang, Xi; Alamgir, Azmain; Wang, Jing; Hague, Syed A.; Zhang, Yazhou; Powell, Douglas R.; Leszczynski, Jerzy (Pergamon-Elsevier Science Ltd, 2015)A new urea-based molecular cleft (L) derived from propylene-linked dipodal amine has been synthesized and its binding affinities for anions have been investigated by H-1 NMR and UV-vis spectroscopic titrations in DMSO. The ... -
Synthesis and anion binding studies of tris(3-aminopropyl)amine-based tripodal urea and thiourea receptors: proton transfer-induced selectivity for hydrogen sulfate over sulfate
Khansari, Maryam Emami; Johnson, Corey R.; Başaran, İsmet; Nafis, Aemal; Wang, Jing; Leszczynski, Jerzy; Hossain, Md. Alamgir (Royal Soc Chemistry, 2015)Tris(3-aminopropyl)amine-based tripodal urea and thiourea receptors, tris([(4-cyanophenyl)amino]propyl)-urea (L1) and tris([(4-cyanophenyl)amino]propyl)thiourea (L2), have been synthesized and their anion binding properties ... -
The synthesis and complexation study of some novel 3-methoxyphenyl chromenone crown ethers using conductometry
Gündüz, Cihan; Salan, Ümit; Özkul, Nalan; Başaran, İsmet; Çakır, Ümit; Bulut, Mustafa Orhan (Elsevier Sci Ltd, 2006)7,8-Dihydroxy-3-(3,4-dimethoxyphenyl)-2H-chromenoiies, 7,8-diliydroxy-3-(3,5-dimethoxyphenyl)-2H-chromenones and 7,8-dihydroxy-3-(3,4,5-trimethoxypheiiyl)-2H-chromenones, o-diliydroxy-3-iiiethoxyphenyicoumarins, were ... -
Synthesis and extraction studies of some new anionic dye extractors
Uğraş, H. İbrahim; Gümüş, Arzu; Başaran, İsmet; Çakır, Ümit (Taylor & Francis Inc, 2008)A new series of dodecyl derivatives of non-cyclic and cyclic ethers, as the extractors have been synthesized by imination, reduction of imines and cyclization steps, and the structures were identified by FT-IR, (1)H-NMR, ... -
Synthesis, complexation and antifungal, antibacterial activity studies of a new macrocyclic Schiff base
Ugraş, Halil İbrahim; Başaran, İsmet; Kılıç, Turgut; Çakır, Ümit (Hetero Corporation, 2006)A new macrocyclic ligand, L was synthesized using the high dilution condition with condensation of triethylene glycol diamine and terephtalaldehyde in ethanol. The obtained product, L was identified by FTIR, H-1-NMR, ... -
The synthesis, Na+ binding properties of new coumarin-crown ethers
Başaran, İsmet; Çakır, Ümit (Springer, 2014)o-Dihydroxy-3-(methylphenyl)-chromenones (coumarins; 3a-3c) were synthesized from trimethoxy-benzaldehydes through a reaction with the corresponding methylphenyl-acrylonitrile in pyridine center dot HCl and then H3O+. ... -
A theoretical model for the pyroelectric response in Langmuir-Blodgett films
Çapan, Rifat; Başaran, İsmet; Richardson, Tim H.; Lacey, Ronald; Çapan, İnci (Elsevier Science Bv, 2002)Understanding the structure of pyroelectric materials is important to elucidate the nature of the temperature-dependent microscopic and macroscopic electric polarisation. Pyroelectric materials must have a non-centrosymmetric ... -
Yeni bazı alkenik crown eterlerinin sentezlenmesi ve kompleksleşmesi özelliklerinin incelenmesi
Başaran, İsmet (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2001)Bu çalışmada crown eter benzeri, alkenik bağ içeren bir seri makrohalkalı ester bileşikleri (maleik asidin halkalı dimerik etilen glikol esteri, süksinik asidin halkalı dimerik etilen glikol esteri, ftalik asidin halkalı ... -
Yeni coumerin crown eterlerin sentezi ve kompleksleşme sabitlerin saptanması
Başaran, İsmet (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2007)Coumarin (2H-1-benzopiran-2-on) ve türevleri birçok bitki hücresinde ve laboratuar koşullarında sentetik olarak sentezlenmektedir. Son yıllarda giderek önem kazanan biyolojik aktiviteleri sayesinde birçok coumarin türevi ...
