Makale Koleksiyonu: Recent submissions

Now showing items 401-420 of 753

A preliminary study on the determination and availability of aluminum in drinking water supplies of Sakarya province, Turkey

Dündar, Mustafa Şahin (DUSTRI-VERLAG DR KARL FEISTLE, 2002)

The aim of this paper is to determine the level of aluminum in Sakarya province and to discuss possible links of aluminum to the Alzheimer's disease. A method for the direct determination of aluminum in drinking water ...
The Enzymatic Decolorization of Textile Dyes by the Immobilized Polyphenol Oxidase from Quince Leaves

Arabacı, Gülnur (HINDAWI LTD, 2014)

Water pollution due to release of industrial wastewater has already become a serious problem in almost every industry using dyes to color its products. In this work, polyphenol oxidase enzyme from quince (Cydonia Oblonga) ...
SIMULTANEOUS DETERMINATION OF GUAIFENESIN AND EPHEDRINE HCl BINARY MIXTURE IN SYRUP DOSAGE FORMS AND HUMAN PLASMA BY USING RP-HPLC-DAD

Küçük Tunca, Aysel (TAYLOR & FRANCIS INC, 2014)

A new and simple quantitative analysis method for the determination of Guaifenesin (G) and Ephedrine HCl (E) binary mixtures was developed and validated. Phosphate buffer-methanol combination (60:40, v/v) was chosen as an ...
Characterization of activated carbon prepared from agricultural waste and its applications for decolorization of textile dyes

Ayse Usluoglu; Altıntığ, Esra; Arabacı, Gülnur (CURRENT BIOLOGY LTD, 2013)
Synthesis, characterization and photodynamic activity of a new amphiphilic zinc phthalocyanine

Armagan Atsay; Sevgi Nalbantoglu; Neslihan Saki; A. Lale Dogan; Ahmet Gul; Makbule Burkut Kocak (ELSEVIER SCI LTD, 2013)

A new phthalonitrile derivative bearing hexyloxy groups in the 3,6- positions and p-sulfonylphenoxy-and chloro groups in the 4 and 5- positions was synthesized. The new hexadeca-substituted zinc phthalocyanine was obtained ...
The investigation of risk factors which predict postpartum depression in seasonal farm workers

Nebioğlu, Mehmet (CUMHURIYET UNIV TIP FAK PSIKIYATRI ANABILIM DALI, 2013)

Objective: The aim of this study is to investigate risk factors which predict risk of postpartum depression (PPD) for seasonal farm workers in sanliurfa province. Methods: Within this research, Sociodemographic Questionnaire ...
Total Phenols, Antioxidant Potential and Tyrosinase Inhibitory Activity of Walnut (Juglans regia L.) Leaf, Husk and Seed

Arabacı, Gülnur (ASIAN JOURNAL OF CHEMISTRY, 2013)

The present study reports the total phenolic contents, antioxidant potentials and tyrosinase inhibitory activity of the leaf, green husk and seed of walnut (Juglans regia L.) produced in Turkey. The total phenolic contents ...
SIMULTANEOUS DECOLORIZATION OF TERNARY DYE MIXTURE FROM AQUEOUS SOLUTION BY ELECTROCOAGULATION

Özdemir, Abdil (2013)
Synthesis of 8-substituted 4,4-difluoro-4-bora-3a,4a- diaza-s-indacene Dyes (BODIPY)

Tutar, Ahmet (2013)
Inﬂuence of process parameters on the surface and chemical properties of activated carbon obtained from biochar by chemical activation

Altıntığ, Esra; Angın, Dilek (2013)
SIMULTANEOUS DECOLORIZATION OF TERNARY DYE MIXTURE FROM AQUEOUS SOLUTION BY ELECTROCOAGULATION

Özdemir, Abdil; Şengil, İsmail Ayhan (2013)
Selective Extraction of Cadmium from Multicomponent cidic Leach Solutions by Emulsion Liquid Membrane sing Amberlite LA-2 as Extractant.

Kumbasar, Recep Ali (2013)
Influence of variety and geographical region on mineral contents of hazelnut (Corylus avellana L.) varieties

Dündar, Mustafa Şahin (SLOVENSKO KEMIJSKO DRUSTVO, 2002)

The mineral contents of three different varieties of hazelnut, namely Karafindik, Tombul, and Delisava, which are cultivated in Sakarya-Turkey, were studied for variety and geographical region and analysed by using flame ...
Synthesis of Bromoaminoindane and Bromoaminoindanone derivatives

Tutar, Ahmet (2013)
Biotransformation of some steroids by Mucor hiemalis MRC 70325

Yıldırım, Kudret; Kuru, Ali (SAGE PUBLICATIONS LTD, 2013)

In this work, incubations of testosterone, dehydroepiandrosterone and pregnenolone with Mucor hiemalis MRC 70325 have been reported. Incubation of testosterone afforded androst-4-en-3,17-dione (3%), 14 alpha-hydroxyandrost-4- ...
Selective Determination of Cr(VI) by FAAS After Solid Phase Extraction on Bis(3-aminopropyl)amine-Bonded Silica Gel

İmamoğlu, Mustafa; Altundağ, Hüseyin (PERKIN-ELMER CORP, 2013)

The recovery of the Cr(VI) ions was not affected by anions and cations widely found in environmental water samples. Adsorbed Cr(VI) on the column could be easily eluted using 5.0 mL of a 2.0M HCl solution. Cr(VI) adsorption ...
SPECIATION OF HEAVY METALS IN STREET DUST SAMPLES FROM SAKARYA I. ORGANIZED INDUSTRIAL DISTRICT USING THE BCR SEQUENTIAL EXTRACTION PROCEDURE BY ICP-OES

Altundağ, Hüseyin (CHEM SOC ETHIOPIA, 2013)

This paper focuses on the concentrations of heavy metals (Cd, Co, Cr, Cu, Mn, Ni, Pb and Zn) in 20 dust samples collected from the streets of the Organized Industrial District in Sakarya, Turkey using sequential extraction ...
Synthesis and Evaluation of New Phthalazine Urea and Thiourea Derivatives as Carbonic Anhydrase Inhibitors

Arslan, Mustafa (HINDAWI PUBLISHING CORPORATION, 2013)

A new series of phthalazine substituted urea and thiourea derivatives were synthesized, and their inhibitory effects on the activity of purified human carbonic anhydrases (hCAs I and II) were evaluated. 2H-Indazolo[2,1-b ...
Preparation and Antibacterial Activity of Silver Coated Activated Carbon from Rice Husks

Altıntığ, Esra; Arabacı, Gülnur (RESEARCH JOURNAL BIOTECHNOLOGY, 2013)

Silver has been in use since time because of its antibacterial effects. In the present century, the use of antibacterial metals in industry as disinfectant, by loading into inorganic materials is increasing and developing. ...
Influence of silver on the catalytic properties of the cryptomelane and Ag-hollandite types manganese oxides OMS-2 in the low-temperature CO oxidation

Özacar, Mahmut (ELSEVIER SCIENCE BV, 2013)

Manganese oxide octahedral molecular sieves (OMS) are important materials in environmental chemistry, electrochemistry, and heterogeneous catalysis. Cryptomelane and Ag-hollandite type manganese oxides (OMS-2) were synthesized ...