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AZAK, Hacer | KURBANOĞLU, Sevinç | YILDIZ, Hüseyin Bekir | ÖZKAN, Sibel Ayşıl
The synthesis of derivatives of dithionepyrrole is a hot subject that has been studied extensively. In this study, a novel approach for constructing different glucose biosensors using conducting polymers of 4-(4H-dithyinol[3,2-b:2′,3′-d]pyroll-4-yl)aniline and 4-(4H-dithyinol[3,2-b:2′,3′-d]pyroll-4-yl)-[1,1′-biphenyl]-4-amine is proposed. After the synthesis and characterizations of the dithionepyrrole type monomers, they were used in glucose biosensing applications. The surface of gold electrode was modified with mercaptoethane sulfonic acid and p-aminothiophenol functionalized gold nanoparti ...Daha fazlası
Minimal invaziv tekniklere ilginin artmasıyla birlikte girişimsel işlemlerde ve nöroşirürji pratiğinde intraoperatif manyetik rezonans görüntüleme (ioMRG) teknolojisine olan ilgi artmıştır. Özellikle nöroşirürjikal girişimlerde multiplanar, gerçek zamanlı görüntüleme yapılabilmesi ve mükemmel yumuşak doku çözünürlüğü olması nedeniyle oldukça avantajlıdır. Konvansiyonel horizontal alanlı manyetik rezonans görüntüleme (MRG)’de alan oldukça dar olduğu için hastaya ulaşmak zor ve cerrahın manevra kabiliyeti düşüktür. Ayrıca uzun enstrümanların kullanılmasına izin vermez ve operasyon esnasında MRG ...Daha fazlası
In this work, T-shaped mould design was used to generate hot spot and the effect of Sr and B on the hot tearing susceptibility of A356 was investigated. The die temperature was kept at 250°C and the pouring was carried out at 740°C. The amonut of Sr and B additions were 30 and 10 ppm, respectively. One of the most important defects that may exist in cast aluminium is the presence of bifilms. Bifilms can form by the surface turbulence of liquid metal. During such an action, two unbonded surfaces of oxides fold over each other which act as a crack. Therefore, this defect cause many problems in t ...Daha fazlası
Mycotoxins are toxic natural contaminants of food and feeds and are produced by various fungi fromAspergillus,Alternaria,Fusarium, andPenicilliumgenera. Molds and their toxins have attracted much attention worldwide dueto the important economic losses related to their effects on human health and domestic and international trade.Although more than 400 mycotoxins have been identified, most studies have focused on aflatoxins, ochratoxin A,fusarium toxins, zearalenone, patulin, and trichothecenes owing to their relationships with food safety andeconomic losses. In Turkey, the dramatic variations i ...Daha fazlası
Selenium is a nutritionally essential trace element majorly obtained from food. The bioavailability of selenium to the food chain depends on soil organic-matter content, pH, and selenium speciation, presence of ions that complex with selenium and food-processing. Selenium is a constituent of more than two dozen selenoproteins that have a pleiotropic effect ranging from DNA synthesis to antiinflammatory and antioxidant effects. This aimed to highlight the degree of variation of selenium in Turkish foods. High amounts of selenium were found in pistachio (54.57 µg/g), walnut (30.77 µg/g), fish (2 ...Daha fazlası
The paper argues that for individuals to develop intercultural identity, they do not necessarily need to experience intercultural experiences. A questionnaire devised by the author is administered to 227 Turkish learners of English aged 19-23. The findings of self-reported responses to a 37-item questionnaire as well as the qualitative data reveal that learners feel they have a slightly different identity and that English is an asset, a passport to a world of new experiences in socialization and cross-cultural communication. The paper concludes that it is legitimate to speak of intercultural i ...Daha fazlası
6698 sayılı Kişisel Verilerin Korunması Kanunu kapsamında yükümlülüklerimiz ve cerez politikamız hakkında bilgi sahibi olmak için alttaki bağlantıyı kullanabilirsiniz.