Ayşen Demir

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In this study, after a NiCr bond layer was deposited on a pearlitic, grey cast iron rotor disc of the kind used in a production passenger car (Toyota Corolla 1600 cc), Cr3C2-NiCr and Al2O3-TiO2powders were sprayed using High Velocity Oxygen Fuel(HVOF) and plasma spray processes, respectively. The discs were subjected to cosmetic corrosion test according to(More)
The aim of this study was to examine the antibacterial effect of several current orthodontic materials against a certain oral bacterium. The antibacterial activities of six orthodontic composite resins (Transbond LR, Light Cure Retainer (LCR), Light Bond, System 1+, Kurasper F, Transbond XT adhesive), two orthodontic bonding materials (Transbond XT primer(More)
Ni–like and Co–like X–ray resonance line spectra are simulated between 16 Å and 32 Å emitted from silver plasma using Nd:YAG laser and its second, third and fourth harmonics for double pulse configurations. In addition to spectral lines, X–ray intensities obtained from free–bound and free–free continuum emission from Zn–, Cu–, Ni–, Co– and Fe–like ions are(More)
The construction of a double discharge pulsed electron beam generator and the study of the characteristics of the beam are presented in this paper. The electron beam generator consists of a fast filamentary discharge in superposition with an ordinary glow discharge in low-pressure gases. The filling gas is argon or helium at approximately 0.1 Torr pressure.(More)
Microsphere-based biosensors have been attracting the attention of the photonics community due to their high sensitivity, selectivity and implementation. Microspheres, with their high quality-factor (Q-factor) morphology dependent resonances, are very sensitive to refractive index and size changes. The perturbation of the microsphere morphology dependent(More)
Aim: This study aims to assess the presence of alternative airway devices (AAD) in emergency departments (ED) of university and educational and research hospitals in Turkey. Thus, the instrument choices and application status and the qualifications of EDs were determined in this era. Materials and Methods: Survey forms were sent via emails to emergency(More)
Synthesizing supercritical carbon dioxide (scCO2) soluble precursors would be helpful for many processes of material syntheses based on scCO2. Ligand (amphi-(1Z, 2Z)-N-(2-fluoro-3(trifluoromethyl) phenyl)-N'-hydroxy-2-(hydroxyimino) were synthesized from chloro glyoxime and flourus aniline and Pd(II) complex (precursor) prepared. For scCO2 deposition(More)
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