Yayın tarihi için Kimya Bölümü Makale Koleksiyonu listeleme
Toplam kayıt 88, listelenen: 41-60
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Using Non-Traditional Writing As A Tool In Learning Chemistry
(Eurasia, 2013)This study investigated the effect of using a non-traditional writing task and different audiences on 9th grade students' conceptual understanding of a chemistry unit on mixture. 524 students instructed by 3 chemistry ... -
Validation Of Spectrophotometric Method To Quantify Veranicline Content In Tablets
(Asian Journal Of Chemistry, 2013)Varenicline is a nicotinic receptor partial agonist used to treat smoking addiction. The objective of this work was to develope and validate UV-Vis spectrophotometric method for the determination of veranicline in tablets. ... -
Synthesis of Two Novel Aroyl Thioureas and Their Use as Anion Binding Receptors
(Asian Journal Of Chemistry, 2013)New aroyl thioureas; N-nicotinoyl-N'-(4-nitrophenyl) thiourea (3a) and N-nicotinoyl-N'-(2-nitrophenyl) thiourea (3b) were synthesized and studied as anion-binding receptors. Upon adding tetrabutyl ammonium halides (fluoride, ... -
A Combined First Principles TDDFT and Experimental Study on the Uv-Vis Spectra Properties of M(P-Nitrophenyl Azo Resorcinol)(3) Complexes (M: Fe, Cr)
(Scientific Technical Research Council Turkey-Tubitak, 2014)UV-Vis absorption data of p-nitrophenyl azo resorcinol (Magneson I) and its 2 Fe(III) and Cr(III) complexes were investigated both experimentally and theoretically. The geometries were optimized at BP86/TZVP level. The ... -
Large-Scale Purification of a Bacteriocin Produced by Leuconostoc Mesenteroides Subsp Cremoris Using Diatomite Calcium Silicate
(Tubitak Scientific & Technical Research Council Turkey, 2014)Leuconostoc mesenteroides subsp. cremoris strain W3, isolated from wine, was previously found to produce a bacteriocin with inhibitory activity towards malolactic bacteria and hence inhibit malolactic fermentation in model ... -
Caffeine Degradation in Water by Gamma Irradiation, Zonation and Zonation/Gamma Irradiation
(Inst Nuclear Chemistry Technology, 2014)Aqueous solutions of caffeine were treated with ozone and gamma irradiation. The amounts of remaining caffeine were determined after solid phase extraction as a function of absorbed dose and ozonation time. In addition to ... -
Immobilized Metal Ion Affinity Nanospheres For Alpha-Amylase Immobilization
(Scientific Technical Research Council Turkey-Tubitak, 2014)Immobilized metal chelate affinity chromatography (IMAC) support was practiced for alpha-amylase immobilization. Poly(hydroxyethylmethacrylate-methacryloylamidotryptophan)-Ni2+ [p(HEMA-MAT)-Ni2+] nanospheres, average ... -
Synthesis of Some Substituted Formazans and Bis Formazans
(Asian Journal Of Chemistry, 2014)Novel 1-(p-aniinophenyl)-3-(p-substituted -phenyl)-5-phenylforrnazan compounds (2a-f) and 1,1'-(1,1'-biphenyl]-4-4'-yl)bis(3-(p- substituted pheny1)-5-plienylformazan compounds (3a-f) were synthesized by diazo coupling ... -
Effects Of Curriculum Layered And Creative Drama Methods On 6Th Grade "Force And Motion" Unit On Achievement, Attitude And Retention
(Turkish Education Assoc, 2015)The purpose of this study was to compare layered curriculum and creative drama methods on 'Force and Motion' unit of Science and Technology at 6th grade course, for the academic achievement, attitude towards Science and ... -
Boric Acid: A Simple Molecule of Physiologic, Therapeutic and Prebiotic Significance
(Walter De Gruyter Gmbh, 2015)Boric acid, H3BO3, is a weak acid and at physiological pH is in the form of an uncharged small molecule. Behaving as a Lewis acid, it forms complexes with amino-and hydroxy acids, carbohydrates, nucleotides and vitamins ... -
Analytical, Toxicological And Kinetic Investigation Of Decomposition Of The Drug Diclofenac In Waters And Wastes Using Gamma Radiation
(2015)The radiolytic decomposition of the drug diclofenac (DCF), and in limited extent, also two other widely used drugs, ibuprofen and carbamazepine, was examined using liquid chromatography (LC) methods. The efficiency of DCF ... -
Effect of Sonic Treatment on The Permeation Performance of Cellulose Acetate Membranes Modified By N-Sio2
(Scientific Technical Research Council Turkey-Tubitak, 2015)Cellulose acetate (CA) membranes were modified by nano-silicon dioxide (n-SiO2), and they were exposed to ultrasonic waves at a frequency of 35 kHz. The effect of sonication on their water sorption tendency and permeation ... -
Ionizing Radiation: A Versatile Tool for Nanostructuring of Polymers
(Walter De Gruyter Gmbh, 2016)Very high energies of particulate (accelerated electrons, swift heavy ions) or electromagnetic wave (gamma-, X-rays) radiation can be used to initiate free radical based reactions in solids, liquids or gases. Because of ... -
A Rare Gamma-Pyranopyrazole Skeleton: Design, One-Pot Synthesis and Computational Study
(Royal Soc Chemistry, 2016)Drawing upon a consecutive amide coupling and intramolecular cyclisation pathway, a one-pot, straight-forward synthetic route has been developed for a range of pyrazole fused gamma-pyrone derivatives. The reaction mechanism ... -
Preparation and Characterization of A Thermoplastic Proton-Exchange System Based On Sebs and Polypropylene Blends
(Budapest Univ Technol & Econ, 2017)The paper focuses on a series of blends prepared with different contents of polystyrene-block-poly-(ethylene-ran-butylene)-block-polystyrene (SEBS) and polypropylene (PP) for the purpose of examining the potential as proton ... -
Antibacterial Chitosan/Silk Sericin 3D Porous Scaffolds As A Wound Dressing Material
(Taylor & Francis Ltd, 2017)Antimicrobial mixed dressings have traditionally been used to minimize bacterial infection of burns and other wounds. This study presents the advancement of biocompatible chitosan/silk sericin (CHT/SS) scaffolds combined ...