Fen Bilimleri Enstitüsü: Recent submissions

  • Game theoric analysis of MAPK signaling pathways in Saccharomyces cerevisiae 
    Çavlı, Can. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Understanding cellular signaling is central for gaining insight into the molecular mechanisms behind diseases as well as adaptation of living cells to changes in the environment. Signaling pathways are often branched in ...
  • Studies on the controlling network of S. Cerevisiae via expression profiling 
    Cankorur, Ayça. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    This study aimed to identify whether the signature of phosphorylation or dephoshorylation of the proteins involved in glucose sensing, signal transduction and glucose repression pathways can be observed at the transcription ...
  • Effects of promoters on selective CO oxidation in hydrogen-rich streams over Pt/Al2O3 catalysts 
    Uğuz, Kamuran Erdem. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    The objective of this study was to investigate the second promoter effects on Pt-X- Ce/Al2O3 and Pt-Co-Y/Al2O3 catalyst for selective CO oxidation. Seven promoters were tested in two groups; Ni, K and Co as one group (as ...
  • Glucose avidase immobilization by polymer matricies in supercritical carbon dioxide environment for biosensor preparation 
    İnoğlu, Nilay. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    In this study, immobilization of glucose oxidase (GOX) by polyurethane (PU) film and PU foam matrices using supercritical carbon dioxide (scCO2) was realized and proposed as a new technique to be used in biosensor preparations. ...
  • Structural analysis of epidermal growth factor receptor and yeast signaling networks 
    Tekir, Saliha Durmuş. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    The recent progress in high-throughput technologies is allowing the reconstruction of large-scale models of signaling networks and development of corresponding analysis methods. Network properties of the most comprehensive ...
  • Kinetics of low temperature CO oxidation over activated carbon supported Pt-CeOx catalyst 
    Gülyüz, Berrin. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Kinetics of low-temperature CO oxidation was studied both in the presence and in the absence of carbon dioxide and hydrogen over air-oxidized activated carbon supported Pt-CeOx catalyst prepared by sequential impregnation ...
  • A study on the production of antimony trioxide from its ores by volatilization process and its properties 
    Kohen, Marko. (Thesis (M.S.) - Robert College. Faculty of Graduate School of Engineering, 1969., 1969.)
  • Steam reforming of ethanol over Pt-Ni/Al2O3 catalyst 
    Baltacıoğlu, Fatma Soyal. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    This experimental work involves a parametric study of the bimetallic Pt-Ni/δ-Al2O3 catalysts with different Pt and Ni loadings (0.2wt%Pt-10wt%Ni, 0.3wt%Pt-10wt%Ni, 0.2wt%Pt-15wt%Ni, 0.3wt%Pt-15wt%Ni) for hydrogen production ...
  • Integrated neurovascular coupling (NVC) model: an fNIRS study on migraine 
    Taşdöğen, Selin. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Functional imaging techniques play a major role in monitoring the changes in brain hemodynamics. Migraine is one of the weirdest illnesses that have ever been described. It does not leave any symptom in patients like the ...
  • Metabolite footprinting and fingerprinting in Saccharomyces cerevisiae 
    Aygök, Ali Erdem. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    The metabolic response of S. cerevisiae cells of galactose metabolic pathway genes, hexose transporter genes, transcription regulation and respiration related genes were investigated. Homozygous deletion mutants rgt1Δ/ ...
  • A computational approach for analysis of communication in proteins 
    Özel, Sinem. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Allostery and communication in proteins are crucial for the regulation of protein functions. The binding of a ligand changes the affinity of the protein at a distal ligand binding site and leads to conformational changes ...
  • Numerical investigation of hydrogen production from methane for small scale stationary PEM fuel cell applications 
    Tan, Özgür. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    The steady-state behaviour of the fuel processor system consisting of a catalytic indirect partial oxidation reactor (combined total oxidation/steam reforming), a water-gas shift converter and a preferential carbon monoxide ...
  • Design of bench-scale methane processing reactors for hydrogen-driven PEM fuel cells 
    Maşalacı, Emre. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    The steady state behaviour of conversion of methane to hydrogen in the fuel processor system is investigated using computer-based modeling/simulation techniques for use in small scale fuel cell applications. The fuel ...
  • Carbon dioxide adsorption on flat Pt3Sn surfaces 
    Başaran, Duygu. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    The experimental studies have shown that the PROX activity of the Pt{Sn/AC catalyst is either unaffected or positively affected from the presence of carbon dioxide in the feed mixture. The catalyst characterization studies ...
  • Cleaning of contaminated soils using ionic liquids and supercritical carbon dioxide 
    Keskin, Seda. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    The aim of this research was to utilize the ability of ionic liquids (IL) to dissolve contaminants at near ambient conditions from soil along with the ability of scCO2 to recover the contaminants from the IL extract, in ...
  • Allosteric communication in biding domain of nicotinic acetylcholine receptor 
    Tuna, Levent. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    Allosteric interactions have been thought to be of great importance in regulating the gating mechanism of the receptors. The term allostery comes from the Greek words allos, "other," and stereos, "shape”, meaning that ...
  • Optimization of transferable molecular step potentials 
    Üçyiğitler, Sinan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    To study thermodynamic properties for hydrocarbons and oxygenated compounds, discontinuous molecular dynamics and thermodynamic perturbation theory have been used. Accurate thermodynamic predictions require realistic and ...
  • Activation of some Turkish clays to be used in bleaching of edible oils 
    Taner, Meral. (Thesis (M.S.) - Robert College. Faculty of Graduate School of Engineering, 1968., 1968.)
  • Physical properties and preferential CO oxidation performance of Pt-Co-Ce/Al2O3 catalysts 
    Gözaçan, Zehra Tuğçe. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    The objective of this study was to examine the effects of design parameters on the physical properties and on preferential CO oxidation (PROX) activity of Pt-Co-Ce/Al2O3 catalysts. The major catalyst design parameters ...
  • Gating mechanism in nicotinic acetylcholine receptor channel 
    Karadağ, Serkan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    Nicotinic acetylcholine receptor (nAChR) is a ligand gated ion channel. Aberrations of nAChR is the primary reason of many congenital myasthenic syndromes. The mechanism behind the function of nAChRs is still unclear. In ...