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Kimya: Recent submissions

Now showing items 101-120 of 222

Synthesis and Characterization of Novel Aryl Cyclitols: Polycyclitols

Balci, Neslihan; Anil, Baris; Kelebekli, Latif; Sahin, Ertan; Goksu, Suleyman (TAYLOR & FRANCIS INC530 WALNUT STREET, STE 850, PHILADELPHIA, PA 19106, 2013)

New polycyclitols were synthesized starting from 1,4-naphthoquinone. An endo-selective Diels-Alder cycloaddition between 1,4-naphthoquinone and 1-acetoxybutadiene afforded a diketone. Reduction of the diketone with a ...
Cibacron Blue F3GA modified disposable pencil graphite electrode for the investigation of affinity binding to bovine serum albumin

Kuralay, Filiz; Yilmaz, Erkut; Uzun, Lokman; Denizli, Adil (ELSEVIERRADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS, 2013)

In this work, Cibacron Blue F3GA (CB) modified pencil graphite electrodes (PGEs) were prepared and their affinities to bovine serum albumin were investigated. Preparation of the PGEs was performed using cyclic voltammetry ...
Fabrication of a Polyaniline Ultramicroelectrode via a Self Assembled Monolayer Modified Gold Electrode

Bolat, Gulcin; Kuralay, Filiz; Eroglu, Gunes; Abaci, Serdar (MDPIST ALBAN-ANLAGE 66, CH-4052 BASEL, SWITZERLAND, 2013)

Herein, we report a simple and inexpensive way for the fabrication of an ultramicroelectrode and present its characterization by electrochemical techniques. The fabrication of polyaniline UME involves only two steps: ...
Synthesis of new pyrazolone dyes

Gunkara, Omer Tahir; Bagdatli, Emine; Ocal, Nuket (SAGE PUBLICATIONS LTD1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENGLAND, 2013)

New azo- and bisazo-5-pyrazolone dyes have been synthesised by azo coupling of various arylamines and aryl diamines with 5-pyrazolones: 1-methyl-3-phenyl-1H-pyrazol-5(4H)-one, 1-(4-chlorophenyl)-3-isopropyl-1H-pyrazol-5(4H)-one ...
Rhodium-catalysed nucleophilic ring opening reaction of 1-and 3-ethoxy-5,8-epoxy-5,8-dihydroisoquinolines

Kelebekli, Latif (SAGE PUBLICATIONS LTD1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENGLAND, 2013)

2-Ethoxy-3- and 5-chloropyridines were obtained from 2,3- and 2,5-dichloropyridine. Reaction of 2,3- and 2,5-dichlo-ropyridines with tBuLi in the presence of furan gave 1- and 3-ethoxy-5,8-epoxy-5,8-dihydroisoquinolines. ...
Stereoselective Synthesis of Tricyclo[6.2.2.0(2,7)]dodecane-3,6,9,10-tetrol via Selective Reduction of ,-Unsaturated 1,4-DIKetone

Kelebekli, Latif (TAYLOR & FRANCIS INC530 WALNUT STREET, STE 850, PHILADELPHIA, PA 19106, 2013)

Stereoselective synthesis of tricyclo[6.2.2.0(2,7)]dodecane-3,6,9,10-tetrol was developed starting from p-benzoquinone. The endo selective Diels-Alder cycloaddition of p-benzoquinone and 1,3-cyclohexadiene afforded the ...
Phenolic profile, enzyme inhibitory and antioxidant activities of two endemic Nepeta species: Nepeta nuda subsp. glandulifera and N. cadmea

Eskici, M.; Karanfil, A.; Sarikurkcu, C.; Tepe, B. (ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, 2019)

It is known that the local people commonly use some Nepeta species as diuretic, spasmolytic, bronchodilator and sedative agents. In addition, these species are also used topically due to their antiseptic properties. This ...
Fabrication of a Novel Polymeric Scaffold for Amperometric Laccase Biosensor

Bekmezci, Siddika Aybuke; Goker, Seza; Soylemez, Saniye; Toppare, Levent (WILEY, 111 RIVER ST, HOBOKEN 07030-5774, NJ USA, 2019)

Present work displays the preparation of an electrochemical biosensor using a conjugated polymer and laccase enzyme for catechol quantification in samples. The biosensing system is based on an enzyme immobilization on ...
Synthesis and characterization of new N-substituted 2-aminopyrrole derivatives

Aksu, Kadir; Ozgeris, Bunyamin; Tumer, Ferhan (ACG PUBLICATIONS, YENIKENT MAHALLESI, FIRAT CADDESI, 1-3, GEBZE-KOCAELI, 41400, TURKEY, 2019)

In this work, new N-substituted 2-aminopyrrole derivatives were synthesized. Initially, some crotonitriles were prepared by condensation of malononitrile with arylmethylketones, which was followed by conversion of them to ...
A thiazolothiazole containing multichromic polymer for glucose detection

Kaya, H. Z.; Soylemez, S.; Toppare, L.; Udum, Y. A. (BUDAPEST UNIV TECHNOL & ECON, DEPT POLYMER ENG, MUEGYETEM RKP 3, BUDAPEST, H-1111, HUNGARY, 2019)

Donor-acceptor (DA) type monomers namely 2,5-di(thiophen-2-yl)thiazolo[5,4-d]thiazole (TTzTh) and 2,5-bis(3-methylthiophen-2-yl)thiazolo[5,4-d]thiazole (TTzMTh) were synthesized and their electrochemical and optoelectronic ...
A newly designed anthracene and isoindigo based polymer: synthesis, electrochemical characterization and biosensor applications

Goker, Seza; Soylemez, Saniye; Toppare, Levent (ROYAL SOC CHEMISTRY, THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND, 2019)

A glucose biosensor based on a newly designed and synthesized polymer, poly[(E)-6-methyl-6 '-(10-methylanthracen-9-yl)-1,1 '-diundecyl-[3,3 '-biindolinylidene]-2,2 '-dione] (namely PIIDAnth), and single walled carbon ...
Stereoselective synthesis of a new methyl-substituted inositol derivative

Atli, Ilknur; Kelebekli, Latif (PERGAMON-ELSEVIER SCIENCE LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND, 2019)

The stereoselective synthesis of methyl-substituted inositol derivative is described. Diene diacetate which is a key compound was first prepared via three steps starting from 2-methyl-p-benzoquinone. Osmium-catalyzed regio- ...
Novel copper(II) and palladium(II) complexes with 4-aroyl-5-pyrazolone ligands: Synthesis and characterization

Bagdatli, Emine; Sayin, Ulku; Ulucay, Gorkem; Yildirim, Fatih (ELSEVIER SCIENCE SA, PO BOX 564, 1001 LAUSANNE, SWITZERLAND, 2019)

Novel bidentate 4-aroyl-5-pyrazolone ligands were synthesized and reacted with copper(II) and palladium(II) salts in 1: 2 (metal: ligand) equimolar ratio leading to the formation of eight new coordination compounds. All ...
Phenolic profile of three wild edible mushroom extracts from Ordu, Turkey and their antioxidant properties, enzyme inhibitory activities

Aksu, Figen; Ayvaz, Melek Col; Kir, Filiz (EMERALD GROUP PUBLISHING LTD, HOWARD HOUSE, WAGON LANE, BINGLEY BD16 1WA, W YORKSHIRE, ENGLAND, 2019)

Purpose - Mushrooms have always been treasured and appreciated, thanks to their nutritional as well as medicinal properties. The purpose of this paper is to reveal these properties such as antioxidant activities and enzyme ...
Physicochemical properties, molecular docking and global reactivity descriptors of manganese carbonyl complexes with imidazole ligands

Dasdan, Dolunay Sakar; Gungor, Gaye; Sahin, Neslihan; Ustun, Elvan (SCIENTIFIC PUBL-INDIA, 5-A, NEW PALI RD, PO BOX 91, NEAR HOTEL TAJ HARI MAHAL, JODHPUR, 342 003, INDIA, 2019)

In this study, it was investigated that the solution behavior of two carbon monoxide releasing molecules; Mn(CO)(3)(bpy)(N-imidazole)]PF6 (1), [Mn(CO)(3)(bpy)(N-methylimidazole)]PF6 (2) which showed anticancer activity via ...
Molecular docking and electronic transition analysis of novel [Re(bbim)(bpy)(CO)(3)]OTf complex as a CO-releasing molecule

Celebi, Mutlu Sonmez; Dusunceli, Serpil Demir; Ozdemir, Ismail; Sahin, Neslihan; Ustun, Elvan (SCIENTIFIC PUBL-INDIA, 5-A, NEW PALI RD, PO BOX 91, NEAR HOTEL TAJ HARI MAHAL, JODHPUR, 342 003, INDIA, 2019)

Synthesis of CO-releasing molecules that safely deposit/transport CO has attracted great attention after the discovery of therapeutic properties of carbon monoxide, which is known to be a toxic gas. Metal carbonyl complexes ...
PHYTOREMEDIATION OF CADMIUM IN SOIL AND HYDROPONICS BY TRADESCANTIA FLUMINENSIS

Cay, Cigdem; Cay, Seydahmet; Engin, Mehmet Soner; Guney, Serkan; Uyanik, Ahmet (NORTH UNIV BAIA MARE, FACULTY MINERAL RESOURCES & ENVIRONMENT, DR VICTOR BABES 62-A,, BAIA MARE, 430083, ROMANIA, 2019)

The purpose of this study is to examine the bioaccumulation of ecotoxic metal cadmium (Cd) from soil and waste water by Tradescantia Fluminensis as an ornamental plant. The plants grown in soil and hydroponic systems ...
A promising enzyme anchoring probe for selective ethanol sensing in beverages

Goker, Seza; Soylemez, Saniye; Toppare, Levent (ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, 2019)

A newly designed amperometric biosensor for the determination of ethanol through one-step electrochemical coating of (4,7-di(thiophen-2-yl)benzo[c][1,2,5]selenadiazole-co-1H-pyrrole-3-carboxylic acid) (TBeSe-co-P3CA) on a ...
A Conjugated Polymer and SWCNTs Transducer for an Effective Biosensing Tool

Soylemez, Saniye (ELECTROCHEMICAL SOC INC, 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA, 2019)

Uncontrolled glucose level continues to be part of a threat for civilian populations and badly effects quality of the human life all over the world. Biosensors fabricated with nanomaterial promise faster and more efficient ...
Comparison of phenolic profiles and antioxidant activity of three Ornithogalum L. species

Ayvaz, Melek Col; Barut, Burak; Demir, Adem; Korkmaz, Busra; Ozel, Arzu; Renda, Gulin; Turumtay, Emine Akyuz (WALTER DE GRUYTER GMBH, GENTHINER STRASSE 13, D-10785 BERLIN, GERMANY, 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 ...

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