Başlık için Kimya Mühendisliği Bölümü listeleme
Toplam kayıt 150, listelenen: 93-112
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N-O tethered carbenoid cyclopropanation facilitates the synthesis of a functionalized cyclopropyl-fused pyrrolidine
(2013)We report a facile approach to a cyclopropyl-fused pyrrolidine, which contains four stereogenic centers, by employing the N-O tethered carbenoid methodology. The synthesis was facilitated by the development of a direct ... -
NaBH4 Hidrolizi İçin Al2O3 Destekli Çok Bileşenli Nanokatalizör Sentezi ve Kinetik Değerlendirmesi
(GAZI UNIV, 2023)Yapılan çalışmada Al2O3 destek üzerinde ikili Co-Fe ve üçlü Co-Fe-Pt katalizörleri emdirme tekniği ile sentezlenmiştir. Üretilen katalizörler ile alkali ortamda NaBH4’ün tepkime vermesi sağlanmış ve hidrojen üretim hızı ... -
Nano Mineralojik Akışkanların Termofiziksel Özelliklerinin Deneysel Olarak İncelenmesi
(2019)Bu çalışmada bentonit, diatomit, sepiyolit ve klinoptilolit malzemeleri içeren nanoakışkanların termofiziksel özellikleri belirlenmiştir. Spex tipi yüksek enerjili öğütücü kullanılarak 50 nm boyutunda nano parçacıklar ... -
A new mathematical approach to the bleaching process of edible oils
(Wiley, 2020)BACKGROUND As energy costs are constantly increasing, industries need to consider efficiency in all processes. Vegetable oils, which are among the daily staple foods, have large energy-consuming processes during refining. ... -
Nickel-based bimetallic nanocatalysts in high-extent dehydrogenation of hydrazine borane
(2012)Hydrazine borane N 2H 4BH 3 (HB) is a promising chemical hydrogen storage material but its development is highly dependent on the catalyst that will be used to dehydrogenate it, that is, to hydrolyze the BH 3 group and ... -
Non-enzymatic sensing of glucose using a glassy carbon electrode modified with gold nanoparticles coated with polyethyleneimine and 3-aminophenylboronic acid
(Springer-Verlag Wien, 2016)A non-enzymatic electrochemical method was developed for sensing glucose by using a glassy carbon electrode modified with 3-aminophenylboronic acid (APBA) immobilized on polyethyleneimine (PEI)-coated gold nanoparticles. ... -
Novel 2D micro-porous metal-organic framework for hydrogen storage
(Elsevier Ltd, 2016)A novel two dimensional Metal-Organic Framework (MOF) structured compound with trimesic acid (TMA), 1,10 Phenantroline (Phen) and Cu(II) building blocks were synthesized and characterized experimentally. Then Grand Canonical ... -
A novel multilayer hydrogel wound dressing for antibiotic release
(Elsevier, 2020)In this study, the novel multilayer (ML) hydrogels were developed as antibacterial wound dressings. ML hydrogels were prepared as four layers using carboxylated polyvinyl alcohol (PVA-C), gelatin (G), hyaluronic acid (HA) ... -
One step effective removal of Congo Red in chitosan nanoparticles by encapsulation
(Elsevier B.V., 2017)Chitosan nanoparticles (CNPs) were prepared with ionotropic gelation between chitosan and tripolyphosphate for the removal of Congo Red. The production of chitosan nanoparticles and the dye removal process was carried out ... -
The orientational behaviour of some aminoanthraquinone dyes in E8 and ZLI-1132 nematic solvents and effect of addition of carbon nanotubes
(2011)Guest-host liquid crystal displays have been widely utilised because of their many advantages such as colour, wide viewing angle and high brightness. For practical guest-host applications, it is important to choose dyes ... -
Oxidative desulfurization of cayirhan lignites by permanganate solution
(2008)Unless important developments record new and renewable energy sources, the role of fossil fuels as an energy resource goes on. It is possible to detect sulfur, heavy metals, and tracer elements such as arsenic and selenium ... -
A parameter identifiability and estimation study in Yesilirmak River
(2009)Water quality models have relatively large number of parameters, which need to be estimated against observed data through a non-trivial task that is associated with substantial difficulties. This work involves a systematic ... -
Pesticide effect on kinetic properties of catalase enzyme
(Hitit Üniversitesi, 2017)Catalase is a metalloenzyme. Contains Cu(II) as the metal ion. It is a detoxification agent for the H2O2 compound and protects tissues and cells from oxidative damage [1]. Cryogels are synthetic materials generally used ... -
Phase transitions and molecular orientation in nematic liquid crystals doped with blue-red dye mixtures and carbon nanotubes
(2013)Phase transitions and molecular orientation in nematic liquid crystals (E7, E8, E63 and ZLI-1132) doped with blue dye (disperse blue 1, 3, 14 or 134) and blue 14 + red dye (disperse red 1, 60 or methyl red) mixtures were ... -
Photocatalytic degradation of remazol yellow using polyaniline–doped tin oxide hybrid photocatalysts with diatomite support
(Elsevier B.V., 2018)Polyaniline (PANI)-doped tin oxide-diatomite hybrid photocatalysts were synthesized by the adding of tin source and diatomite silica support to prepared PANI solution via chemical oxidative polymerization of aniline monomer. ... -
Photocatalytic treatment of baker’s yeast effluent using UV light and TiO2/ZnO composite
(Celal Bayar Üniversitesi, 2016)Baker's yeast effluent is a major source of pollution with high organic load and dark colour. The aim of this study was to examine the photocatalytic degradation of baker's yeast effluent. Wastewater used in this study was ... -
Poli(sodyum 4-stiren sülfonat) Kaplı SnO2 Nanoparçacıklarının Sentezi, Karakterizasyonu ve Gaz Algılama Özelliklerinin İncelenmesi
(2019)Bu çalışmada, poli(etilen glikol)(PEG)-Kalay Oksit/poli(sodyum 4-stiren sülfonat) PEG-SnO2/PSS nanokompozitleri, 2 saat boyuncadimetil formamid (DMF) varlığında hidrotermal işlemle hazırlandı. Bunun için yüzey aktif madde ... -
Poly(vinyl alcohol)/(hyaluronic acid-g-kappa-carrageenan) hydrogel as antibiotic-releasing wound dressing
(Springer Int Publ Ag, 2021)The aim of this research was to investigate the potential of ampicillin-loaded hydrogels based on polyvinyl alcohol (PVA), hyaluronic acid (HA) and kappa-carrageenan ((K)-Carr) as an antibiotic-releasing wound dressing. ... -
Polyvinyl alcohol/CuO nanocomposite hydrogels: facile synthesis and long-term stability
(2019)Within this study, Polyvinyl alcohol/CuO nanocomposite hydrogels were synthesized through dispersing CuO nanoparticles in a PVA solution, using the freeze-thawing procedure in order for physically crosslinking. The average ... -
Pore modification in porous ceramic membranes with sol-gel process and determination of gas permeability and selectivity
(2010)Summary: The aim of the study was to investigate the variation in total surface area, porosity, pore size, Knudsen and surface diffusion coefficients, gas permeability and selectivity before and after the application of ...
