Malzeme Bilimi ve Mühendisliği Bölümü

Permanent URI for this communityhttps://hdl.handle.net/20.500.12416/18

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Citation - WoS: 34
Corrosion of Metallic Biomaterials
(Springer-verlag Berlin, 2015) Dikici, Burak; Esen, Ziya; Esen, Ziya; Duygulu, Ozgur; Gungor, Serap; 52373; Ortak Dersler Bölümü
Metallic materials have been used as biomedical implants for various parts of the human body for many decades. The physiological environment (body fluid) is considered to be extremely corrosive to metallic surfaces; and corrosion is one of the major problems to the widespread use of the metals in the human body since the corrosion products can cause infections, local pain, swelling, and loosening of the implants. Recently, the most common corrosion-resistant metallic biomaterials are made of stainless steels and titanium and its alloys along with cobalt chromium molybdenum alloys. It is well known that protective surface films of the alloys play a key role in corrosion of the metallic implants. Key documents on the corrosion behavior of the metallic biomaterials in human body have been compiled under this chapter as a review.
Citation - WoS: 0
Citation - Scopus: 0
Synthesis, molecular structure and DFT study of 2-(N-Benzoylbenzamido)pyridine-3-yl benzoate
(Springer/plenum Publishers, 2011) Yuksektepe, Cigdem; Özdoğan, Cem; Kazak, Canan; Ozdogan, Cem; Guvenc, Ziya B.; Buyukgungor, Orhan; Arslan, Figen; Odabasoglu, Mustafa; 42359; 22620; 4292; 49272; 13249; Ortak Dersler Bölümü
The biologically important 2-amino-3-hydroxypyridine reacts with benzoyl chloride to give 2-(N-benzoylbenzamido)pyridine-3-yl benzoate. This synthesized compound has been studied by elemental analysis, X-ray crystallography and also theoretically by density functional theory (DFT) framework with B3LYP/6-311++G(d, p) level of theory. The molecules of this compound crystallize in the orthorhombic space group of P2(1)2(1)2(1) and the crystal packing involves both hydrogen-bonding and C-Ha <-pi interaction. The vibrational normal modes of the molecular structure are investigated by ab initio method for both infrared intensities (IR) and for Raman activities. Furthermore, the corresponding assignments are discussed. Hydrogen and carbon atoms of the benzene rings are found to be highly active. Also, experimentally obtained IR spectrum is presented and compared with the available theoretical data. Experimentally and theoretically obtained IR spectrum are in good agreement.

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