Güncel Gönderiler: FEF, Kimya Bölümü Koleksiyonu
Toplam kayıt 455, listelenen: 121-140
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Toxic efficacy of Cuscuta campestris Yunck. (Solanales: Convolvulaceae) and Lupinus albus L. (Fabales: Fabaceae) plant crude extracts against nymphs and adults of Orosanga japonica (Melichar, 1898) (Hemiptera: Ricaniidae) under laboratory conditions
(Entomological Society of Turkey, 2021)The planthopper, Orosanga japonica (Melichar, 1898) (Hemiptera: Ricaniidae), is an important agricultural pest of grapevine, kiwifruit and tea in Asia and in some countries of Eastern Europe. The efficacy of the crude ... -
Properties of antioxidant and anti-inflammatory activity and phenolic profiles of şevketi bostan (cnicus benedictus l.) cultivated in aegean region from Turkey
(2017)The aim of this work was to evaluate the phenolic profiles and anti-inflammatory, antioxidant and gastro-protective activities of Cnicus benedictus L., a type of milk thistle cultivated in Turkey. The total phenolic content ... -
Non-enzymatic phenol determination in river water over modified electrode with poly(3-methylthiophene)
(2016)T his paper describes non-enzymatic phenol determination using poly(3methylthiophene) coated Pt electrode. Modified electrode was prepared on Pt disc surface in dichloromethane medium containing 500 mM 3-methylthiophene ... -
Water-soluble phthalocyanines containing azo dye; microwave-assisted synthesis and photochemical properties of ZnPcs
(Bilimsel Teknik Araştırma Konseyi Türkiye- TÜBİTAK, 2014)Novel water-soluble metallophthalocyanines (M: Co, Ni, Cu, Zn) containing azo dye were characterized. The structures were confirmed by IR, UV/vis, 1 H NMR, 13C NMR, mass spectroscopy, and elemental analysis. Photochemical ... -
Microwave-assisted synthesis and biological evaluation of some coumarin hydrazides
(2018)In this work, 15 different coumarin hydrazides were successfully synthesized and screened for their antioxidant and antilipase activities. To do this, firstly, salicylaldehyde derivatives and Meldrum's Acid were reacted ... -
Preparation of bentonite-cysteine (Bent-Cys) Micro-composite affinity sorbents for ferritin adsorption
(2007)his study focused on developing bentonite-cysteine micro-composite «affinity sorbents (Bent-Cys) (38-105 |am) for Ferritin adsorption from aqueous solutions. The pseudo-specific affinity ligand L-cysteine was immobilized ... -
Polianilin-poli(3-Metiltiyofen)-poli(3,3'- diaminobenzidin) elektrot üzerinden dopac tayini
(2015)Dopaminin önemli metaboliti olan 3,4-dihidroksifenilasetik asit (DOPAC) önemli bir biyolojik moleküldür [1]. Dopamin ile birlikte DOPAC; şizofreni [2], epilepsi [3], Parkinson [4], alzhemier [5] gibi nörolojik bozuklukların ... -
Bazı yeni potansiyel biyolojik 4-(Arylidenamino)-2, 4-dihidro-3H- 1,2,4-Triazol-3-one bileşiklerinin mikrodalga- destekli sentezi ve pKa değerlerinin belirlenmesi
(2016)Bu çalışmada,sekiz yeni bazı potansiyel biyolojik aktif 4-(arilidenamino)-2,4-dihidro-1H-1,2,4-triazol-3-on bileşikleri mikrodalga yöntemi kullanılarak sentezlendi. Bu bileşiklerin yapıları farklı spektroskopik yöntemle ... -
Isolation, production, and characterization of an extracellular lipase from Trichoderma harzianum isolated from soil
(2011)Bu çalışma, Trichoderma harzianum lipazının karakterizasyonu hakkında ilk rapordur. Yeni bir suş olan Trichoderma harzianum IDM14D topraktan izole edildi. İzole edilen bu suş, lipaz üretimi için çalkalamalı kültürde 30 ... -
Microwave-assisted synthesis of some benzimidazole derivatives containing imine function
(2015)Benzimidazol modern ilaç keşfinde önemli bir farmakofordur. Birçok benzimidazole türevi yeni ilaç adayı bileşikler elde etmek amacıyla organik kimyacılar tarafından sentezlenmektedir. Bu çalışmada, imin fonksiyonu içeren ... -
Evaluation of antioxidant activity of bee products of different bee races in Turkey
(2019)Bee products with high bioactive properties have a very important place in human nutrition. Biochemical properties of these products such as honey, pollen, and propolis vary according to flora, season, bee race, and ... -
Comparison of phenolic profiles and antioxidant activity of three Ornithogalum L. species
(2019)Background: Aboveground parts and bulbs of Ornithogalum species are consumed as food and used in traditional medicine in worldwide. Objective: It is aimed to report the antioxidant capacity and phenolic compounds content ... -
PaCaHa inhibits proliferation of human cancer cells in vitro
(2016)Background/aim: The aim of this study was to investigate the antiproliferative and cytotoxic effects of a newly synthesized molecule named paracetamol acetohydroxamic acid (PaCaHa) on human neoplastic cell lines. Materials ... -
Synthesis and characterization of polycarbazol - polyaniline copolymer in dichloromethane solution
(2015)Aromatik heterohalkalı organik molekülün yükseltgenmesi ile elektrot yüzeyinde veya çözeltide iletken polimerler sentezlenebilmektedir. Polipirol, politiyofen, polianilin, polifuran, polifenilenvinilen, politiyanaften, ... -
Investigation of fastness properties and antibacterial effect of metallophthalocyanine (M: Zn) containing Eugenol printed on cotton fabric
(2013)Araştırmanın temel amacı, dört eugenol substituentli metalloftalosiyaninin (M:Zn) pamuklu kumaş üzerinde antibakteriyel etki sağlamasıdır. Eugenol, karanfilden (Eugenia Caryophillis) ekstrakte edilen esansiyel yağın ana ... -
An investigation of fastness and antibacterial properties of cotton fabric coloured with water-soluble zinc phthalocyanine containing azo groups
(2016)Araştırmanın temel amacı, azo grupları içeren suda çözünebilen çinko ftalosiyanin (Azo-ZnPc) ile boyanmış pamuklu kumaşın boyanma özelliklerini, renk haslık değerlerini (ışık, su, ter, klorlanmış su, sürtme, yıkama) ve ... -
Distribution of coronary artery risk factors: a regional analysis
(2011)Amaç: Bu çalışmadaki amacımız, Rize ili ve civarında koroner arter risk faktörlerinin sıklık ve dağılımını incelemektir. Yöntem ve gereç: Bu gözlemsel çalışmaya, 452 hasta (333 erkek, 119 kadın) alındı. Hastaların demografi ... -
An efficient synthesis of some new bisbenzimidazoles via microwave technique
(2014)2,2’-[1,4 (1,3)-Phenylenedi(methylene)]bis-1 H -benzimidazole derivatives were obtained from the reaction of 1,4- or (1,3)-bisiminoester hydrochloride and o -phenylenediamine derivatives under microwave irradiation. Ester ... -
The effect of polymer capping group to the electrocatalytic water oxidation activities of prussian blue analogues
(Turkish Chemical Society, 2020)Prussian Blue (PB) nanoparticles can be obtained by reacting the hexacyanometal center with metal ions in the existence of polymers such as polyethyleneglycol (PEG). In this study, a pentacyanometal complex, [Fe(CN)5NO]2-, ... -
Efficient synthesis of 2-[(3,4-dichlorophenyl)methyl]-1h-benzimidazole derivatives, and their α-glucosidase inhibitory and antioxidant activities
(Bentham Science Publishers, 2020)In this work, some new 2-[(3,4-dichlorophenyl)methyl]-1H-benzimidazole derivatives containing different five-membered heterocycles like 1,3,4-oxadiazole, 1,3,4-triazole, and 1,3,4-thiadiazole moieties were designed and ...
