Boğaziçi Üniversitesi Tezleri: Recent submissions

  • Construction and testing of a low-temperature water-gas shift reaction system 
    Şen, Özlem. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    The objective of this study was to construct and test of a low-temperature water-gas shift reaction system. A system consisting of mass flow controllers for gases, HPLC pump for water, an evaporation and gas-mixing section, ...
  • Collective dynamics and conformational sampling of triosephosphate isomerase 
    Cansu, Sertan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Molecular dynamics simulations (30-60 ns runs) are performed on free/apo triosephosphate isomerase (TIM) to determine any correlation between collective motions and loop 6 dynamics. Native TIM is active only as a homo-dimer ...
  • Kinetics of low temperature co oxidation over activated carbon supported Pt-SnOx catalysts 
    Acun, Seda. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    This experimental study comprises a kinetic study of low-temperature CO oxidation both in the absence and presence of H2 over air-oxidized activated carbon supported 1wt.%Pt-0.25wt.%SnOx catalyst prepared by the sequential ...
  • Production of citric acid from Turkish molasses by fermentation 
    Mutluay, Işın. (Thesis (M.S.) - Robert College. Faculty of Graduate School of Engineering, 1969., 1969.)
  • Modeling of selective CO oxidation over CuOx-CoOx-CeO2 catalysts using artificial neural networks 
    Kantar, Ufuk. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    This study is aimed to model design and reaction parameters of CO oxidation over CuOx-CoOx-CeO2 catalyst using neural and modular neural networks. Since there are many possible architectures for modular networks, the best ...
  • Structure and dynamics of catabolite gene activator protein by molecular modeling and simulations 
    Fas, Ayşe Burcu Aykaç. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    The activities of proteins are regulated by interactions with other molecules through various types of local to global motions. Such internal motions may occur at different time scales and involve complex correlations ...
  • Structure-function relationships of type II restriction endonucleases 
    Uyar, Arzu. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Restriction endonucleases (REs) constitute an enzyme family, which can recognize and cleave specific foreign DNA sequences to protect prokaryotic cells. The vibrational dynamics of Type II REs are investigated by elastic ...
  • Sphingolipidomics: qualification and quantification of sphingolipids in yeast 
    Yücel, Esra Börklü. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    BY4743 parent strain and three homozygous deletion mutants, ino1D/ino1D, slc1D/slc1D and ser2D/ser2D, along with four heterozygous deletion mutants INO1/ino1D, SLC1/slc1D, LCB1/lcb1D, and LCB2/lcb2D of S. cerevisiae are ...
  • Studies on the role of HAP4, MIG1 and MIG2 in transcriptional control network of Saccharomyces Cerevisiae 
    Dereli, Elif. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    In this study, transcriptional responses of HAP4, MIG1, MIG2 and GSM genes to transient perturbations under glucose and nitrogen limited conditions were investigated in order to understand glucose sensing and signaling ...
  • 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 ...