Başlık için Fakülteler listeleme
Toplam kayıt 3281, listelenen: 2104-2123
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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 ... -
N-vinylcaprolactam-based microgels: synthesis, characterization and drug release applications
(Springer Netherlands, 2016)In this study, N-vinylcaprolactam, metacrylic acid sodium salt and itaconic acid sodium salt-based copolymeric and terpolymeric microgels were synthesized by precipitation polymerization method with 2,2?-azobis(2-methylp ... -
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 ... -
Nadir bir akut karın nedeni: Jejunal divertikül perforasyonu
(Gazi Üniversitesi Tıp Fakültesi, 2018)Jejunal divertikülozis nadir görülen bir hastalıktır. Prevalansı yaşla doğru orantılı olarak artmakta, 6. ve 7. dekadlarda en üst düzeye ulaşmaktadır. Jejunal divertiküller genellikle asemptomatik seyirlidir ancak, ... -
Nadir Görülen Benign Akciğer Kitlesi: Endobronşial Lipom
(2021)Akciğerin benign tümörleri nadir görülmektedir. Endobronşiyal Lipom akciğerin çok nadir görülen benign bir tümörüdür. Yavaş büyüme gösteren bu tümör bronş obstrüksiyonuna neden olarak postobstüktif pnömoni, kalıcı parankim ... -
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 ... -
Nanofibers by electrospinning of nylon 6 doped with boron
(Hacettepe University, 2009)In this study, Nylon 6 was successfully cross-linked with boron using formic acid as solution. Electrospinning process was performed by putting hybrid nylon 6/boric acid solutions at different applied voltage in a range ... -
Nanosized Drug Carriers for Oral Delivery of Anticancer Compounds and the Importance of the Chromatographic Techniques
(Elsevier, 2017)Cancer is the primary leading cause of mortality in the world. The key of a successful cancer treatment depends on many important parameters, such as the application route, anticancer compound, and dosage form. Among the ... -
Nasal chondromesenchymal hamartoma, a rare pediatric tumor: Case report
(Turkish Journal of Pediatrics, 2016)Nasal chondromesenchymal hamartoma has characteristic clinicopathological features and it is accepted as the upper airway analogue of mesenchymal hamartoma of the chest wall. It is a rare lesion and only 31 cases have been ... -
A natural approach, the use of killer toxin produced by Metschnikowia pulcherrima in fresh ground beef patties for shelf life extention
(Elsevier, 2021)A novel killer toxin produced by yeast Metschnikowia pulcherrima was purified and added into ready to cook meatballs to enhance their microbial safety and extension of their shelf life. The agent was added into ready to ... -
Natural co-occurrence of aflatoxins and ochratoxin A in spices
(Elsevier, 2012)The present study aims to determine the co-occurrence of aflatoxins (AFs) and ochratoxin A (OTA) in spices marketed in Turkey. During the period from November 2010 to August 2011, 105 samples of spices were checked for ... -
Nazik olmayan bazı söz ve davranışlar karşısında Hz. Peygamber
(2010)İnsanlar bazen beşeriyetlerinin de bir gereği olarak hata eder, nazik olmayan davranışlarda bulunabilirler. Sünnet kültürünün korunması ve ileriki nesillere taşınmasında büyük hizmetler üstlenen sahâbe-i kiram da beşer ... -
Negative life events have detrimental effects on in-vitro fertlization outcome
(Taylor and Francis Ltd, 2015)The aim of this study was to investigate the effect of negative life events on in-vitro-fertilization (IVF) outcome. Depression and negative life events were measured using Beck Depression Inventory (BDI) and List of Recent ... -
Neural therapy for fibromyalgia: Myth or improving quality of life?
(John Wiley and Sons Inc, 2021)Background: Fibromyalgia is a common rheumatic disease, which is thought to be a neuroendocrine dysregulation disorder. Patients’ quality of life (QOL) is severely affected by this disease. Though neural therapy, as a ... -
Neuroprotective effects of Quercetin on radiation-induced brain injury in rats
(Oxford University Press, 2018-04-24)Extensive research has been focused on radiation-induced brain injury. Animal and human studies have shown that flavonoids have remarkable toxicological profiles. This study aims to investigate the neuroprotective effects ... -
Neutrophil to lymphocyte ratio is predictor of atrial fibrillation recurrence after cardioversion with amiodarone
(SAGE Publications Inc., 2015)Background: In this study, our aim is to examine the role of the neutrophil to lymphocyte ratio (NLR) in the predictions of recurrence under long-term follow-up in patients whose sinus rhythms (SRs) were restored with ... -
A new adsorptive square-wave stripping voltammetric method for the trace analysis of germanium
(Hacettepe University, 2008)The adsorptive stripping voltammetric determination of trace amounts of germanium(IV) based on the adsorptive accumulation of the germanium(IV)-N-(2-hydroxyphenyl)-3-hydroxysalicylaldimine complex on the hanging mercury ... -
A new ape from Türkiye and the radiation of late Miocene hominines
(NATURE PORTFOLIO, 2023)Fossil apes from the eastern Mediterranean are central to the debate on African ape and human (hominine) origins. Current research places them either as hominines, as hominins (humans and our fossil relatives) or as stem ... -
A New Approach for Cu and Fe/FexB Production from Chalcopyrite by Molten Salt Electrolysis
(Springer, 2020)In the present study, copper (Cu) and iron boride -( FexB) were produced for the first time through molten salt electrolysis using chalcopyrite -(CuFeS2) in an oxide- based borax electrolyte. Molten salt electrolysis was ... -
A new approach to automation of black tea fermentation process with electronic nose
(KoREMA, 2018)Manufacturing of black tea is a complex process consisting of plucking, withering, curling, fermenting, drying, determining of quality, and packaging stages. Nowadays, tea quality is determined by two methods. Either ...
