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Kimya: Recent submissions

Now showing items 181-200 of 222

ANALYSIS OF ADSORPTION AND KINETIC OF LIPASE ENZYME ON KAOLINITE

Alkan, Salih; Turgut, Umit (PARLAR SCIENTIFIC PUBLICATIONS (P S P), ANGERSTR. 12, 85354 FREISING, GERMANY, 2017)

The properties of the clay kaolinite as a support for enzyme immobilization were studied using the enzyme lipase. Lipases are biocatalysts of great importance due to their ability to catalyze diverse reactions. They are ...
Paper Based Glucose Biosensor Using Graphene Modified with a Conducting Polymer and Gold Nanoparticles

Gokoglan, Tugba Ceren; Kesik, Melis; Soylemez, Saniye; Toppare, Levent; Unalan, Husnu Emrah; Yuksel, Recep (ELECTROCHEMICAL SOC INC, 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA, 2017)

In this work a novel approach was reported for glucose detection using disposable paper based electrodes consisting graphene modified with a conducting polymer, glucose oxidase (GOx) and gold nanoparticles. For the first ...
Energy Applications: Fuel Cells

Celebi, Mutlu Sonmez (SCRIVENER PUBLISHING LLC, 100 CUMMINGS CENTER, STE 541J, BEVERLY, MA 01915-6106 USA, 2017)

Fuel cells are regarded as promising energy sources for the future to replace the traditional systems that use fossil fuels. During the operation of a fuel cell, fuel is oxidized in the anode, whereas reduction of the ...
Conducting Polymer-based Electrochemical DNA Biosensing

Kuralay, Filiz (SCRIVENER PUBLISHING LLC, 100 CUMMINGS CENTER, STE 541J, BEVERLY, MA 01915-6106 USA, 2017)

Deoxyribonucleic acid (DNA) is one of the most important molecules of life since it carries heritage information and instructs the biological synthesis of proteins and enzymes through the process of replication and ...
Antioxidant Activity, Acetylcholinesterase, and Carbonic Anhydrase Inhibitory Properties of Novel Ureas Derived from Phenethylamines

Aksu, Kadir; Goksu, Suleyman; Gulcin, Ilhami; Naderi, Ali; Ozgeris, Bunyamin; Taslimi, Parham (WILEY-V C H VERLAG GMBH, POSTFACH 101161, 69451 WEINHEIM, GERMANY, 2016)

A series of ureas derived from phenethylamines were synthesized and evaluated for human carbonic anhydrase (hCA) I and II, acetylcholinesterase (AChE), and butyrylcholinesterase (BChE) enzyme inhibitory activities and ...
A theoretical insight for solvent effect on myoglobin assay of W(CO)(4)L-2 type novel complexes with DFT/TDDFT

Buyukgungor, Orhan; Coskun, Feyzullah; Demir, Serpil; Kaloglu, Murat; Ozdemir, Ismail; Sahin, Onur; Ustun, Elvan (ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, 2016)

Novel tetracarbonyl complexes of type W(CO)(4)L-2 (L: 4-chlorobenzylimidazoline; 4-methylbenzylimidazoline; 3,5-dimethylbenzylimidazoline; 2,4,6-trimethylbenzylimidazoline; 2,3,5,6-tetramethylbenzylimidazoline) were ...
Biosensing applications of titanium dioxide coated graphene modified disposable electrodes

Bozduman, Ferhat; Kuralay, Filiz; Oksuz, Aysegul Uygun; Oksuz, Lutfi; Tunc, Selma (ELSEVIER, RADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS, 2016)

In the present work, preparation of titanium dioxide coated graphene (TiO2/graphene) and the use of this nanocomposite modified electrode for electrochemical biosensing applications were detailed. The nanocomposite was ...
Investigation of tautomeric behavior of 3-amino-4-[4-(dimethylamino)phenyl]-4,5-dihydro-1,2,5-thiadiazole 1,1-dioxide using Fourier Transform infrared and nuclear magnetic resonance spectroscopic methods: A density functional theory supported study

Alver, Ozgur; Dikmen, Gokhan; Erturk, Aliye Gediz; Gumus, Sedat (ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, 2016)

Sulfonamide derivatives have been widely incorporated in different types of studies, particularly in bioorganics and medicinal chemistry. Molecular conformation or tautomeric forms of molecules are directly related to their ...
Structure, CO-releasing property, electrochemistry, DFT calculation, and antioxidant activity of benzimidazole derivative substituted [Mn(CO)(3)(bpy)L]PF6 type novel manganese complexes

Asci, Gizem; Ayvaz, Melek Col; Celebi, Mutlu Sonmez; Demir, Serpil; Ozdemir, Ismail; Ustun, Elvan (ELSEVIER SCIENCE SA, PO BOX 564, 1001 LAUSANNE, SWITZERLAND, 2016)

Metal carbonyl complexes are prominent group organometallic compounds because of their applications in industrial and pharmaceutical chemistry. In recent years, metal carbonyl complexes have been accepted major for storage ...
Mineralization of chlorobenzene in aqueous medium by anodic oxidation and electro-Fenton processes using Pt or BDD anode and carbon felt cathode

Hamdani, Mohamed; Oturan, Mehmet A.; Oturan, Nihal; Sonmez-Celebi, Mutlu; Zazou, Hicham (ELSEVIER SCIENCE SA, PO BOX 564, 1001 LAUSANNE, SWITZERLAND, 2016)

This study focuses on the in situ destruction of pesticide chlorobenzene (CB) by using two electrochemical advanced oxidation processes, namely anodic oxidation and electro-Fenton. Influence of several operating parameters ...
Carbon monoxide-releasing properties and DFT/TDDFT analysis of [Mn(CO)(3)(bpy)L]PF6 type novel manganese complexes

Demir, Serpil; Koc, Sefika; Ozdemir, Ismail; Ustun, Elvan (ELSEVIER SCIENCE SA, PO BOX 564, 1001 LAUSANNE, SWITZERLAND, 2016)

Novel manganese(I) carbonyl complexes of the general formula [Mn(CO)(3)(bpy)L]PF6 (bpy = 2,2-bipyridyl, L = N-(2-methylbenzyl)imidazoline, N-(3-methylbenzyl)imidazoline, N-(4-methylbenzyl)imidazoline, N-(2,4,6-trimethylb ...
Electrochemical investigation of the effects of V(V) and sulfuric acid concentrations on positive electrolyte for vanadium redox flow battery

Gencten, Metin; Gursu, Hurmus; Sahin, Yucel (PERGAMON-ELSEVIER SCIENCE LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND, 2016)

0 In this study, the concentration effects of sulfuric acid solution and V(V) on positive electrolyte component of vanadium redox batteries were investigated by cyclic voltammetry and electrochemical impedance spectroscopy ...
Laser-perforated polymer films for possible use in tissue engineering

Carr, Kelley Bondor; Catiker, Efkan; Sancaktar, Erol; Stakleff, Kimberly Sloan (ICE PUBLISHING, INST CIVIL ENGINEERS, 1 GREAT GEORGE ST, WESTMINISTER SW 1P 3AA, ENGLAND, 2016)

Ablation experiments were carried out to modify surfaces of poly(3-hydroxybutyrate) (PHB), poly(lactic acid) (PLA), poly(methyl methacrylate) (PMMA), and polyurethane (PU)/poly(dimethylsiloxane) (PDMS) films using a krypton ...
Static magnetic field inhibits 5 ' nucleotidase activity in cancerous and non-cancerous human gastric tissues

Buber, Suleyman; Durak, Zahide Esra; Kocaoglu, Ender Hilmi; Ozturk, Bahadir (TAYLOR & FRANCIS INC, 530 WALNUT STREET, STE 850, PHILADELPHIA, PA 19106 USA, 2016)

The aim of the present study is to investigate possible effects of static magnetic field (SMF) on 5 nucleotidase (5NT-CD73) and xanthine oxidase (XO) activities in cancerous and non-cancerous human gastric tissues in order ...
CO-releasing properties and anticancer activities of manganese complexes with imidazole/benzimidazole ligands

Coskun, Kubra A.; Demir, Serpil; Ozdemir, Ismail; Ozgur, Aykut; Tutar, Yusuf; Ustun, Elvan (TAYLOR & FRANCIS LTD, 2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND, 2016)

Carbon monoxide (CO) is an important signaling molecule which plays significant roles in the pathogenesis of cancer. CO is produced by enzymatic degradation of heme in mammals. Heme oxygenase 1 (HO-1) catalyzes the breakdown ...
High cholesterol diet leads to oxidant load and peroxidation in the rabbit kidney tissue

Billur, D.; Durak, I; Durak, Z. E.; Kizil, S.; Ozer, O.; Ozturk, B.; Ozturk, H. S. (COMENIUS UNIV, SCH MEDICINE, SPITALSKA 24, BRATISLAVA I, SK-813 72, SLOVAKIA, 2016)

OBJECTIVES: The aim of this study was to investigate possible effects of high cholesterol diet on oxidant/antioxidant status in rabbit kidney tissues. BACKGROUND:Although a number of experimental animal models have ...
Syntheses and Electrochemical Characterization of Low Oxidation Potential Nitrogen Analogs of Pedot as Electrochromic Materials

Ermis, Emel; Gullu, Mustafa; Hacioglu, Serife O.; Soylemez, Saniye; Toppare, Levent; Yigit, Deniz (ELECTROCHEMICAL SOC INC, 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA, 2016)

In this study, the electropolymerization of ethyl andmethyl substituted asymmetrical nitrogen analogs of 3,4-ethylenedioxythiophene (OEt and OMe) were synthesized, characterized and their electrochemical properties were ...
Polymer/carbon nanotubes coated graphite surfaces for highly sensitive nitrite detection

Dumangoz, Mehmet; Kuralay, Filiz; Tunc, Selma (ELSEVIERRADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS, 2015)

This study describes the preparation of poly(vinylferrocenium)/multi-walled carbon nanotubes (PVF+/MWCNTs) coated electrode and its use for sensitive electrochemical nitrite detection. PVF+/MWCNTs composite coated disposable ...
Direct Synthesis of Hyperbranched Poly(acrylic acid-co-3-hydroxypropionate)

Catiker, Efkan; Filik, Tahsin (HINDAWI LTDADAM HOUSE, 3RD FLR, 1 FITZROY SQ, LONDON W1T 5HF, ENGLAND, 2015)

Hyperbranched poly(acrylic acid-co-3-hydroxypropionate) (PAcHP) was synthesized by base-catalyzed hydrogen transfer polymerization of acrylic acid through one step. Thecopolymers obtained through solution and bulk ...
Acid-catalyzed hydrolysis of 5-substituted-1H, 3H-2,1,3-benzothiadiazole 2,2-dioxides (5-substituted benzosulfamides): kinetic behavior and mechanistic interpretations

Bekdemir, Yunus; Erturk, Aliye Gediz (WILEY111 RIVER ST, HOBOKEN 07030-5774, NJ, 2015)

The acid-catalyzed hydrolysis of a series of 5-substituted-1H,3H-2,1,3-benzothiadiazole 2,2-dioxides has been investigated in aqueous solutions of sulfuric, perchloric, and hydrochloric acid at 85.0 +/- 0.05 degrees C. ...

Now showing items 181-200 of 222

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