Browsing M.S. Theses by Issue Date

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  • Drifts study of selective CO oxidation on Au/Al2O3 catalyst 
    Leba, Aybüke. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    The aim of this study was to investigate the surface species formed during the selective CO oxidation over 1 wt. % Au/Al2O3 catalyst prepared by homogeneous deposition-precipitation method. The surface analyses were carried ...
  • Investigation of coupling between collective dynamics and function of enzymes 
    Kocaman, Duygu. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    To bridge the structure and function of an enzyme through dynamics is an important problem in protein science. For this aim, the vibrational dynamics for a set of enzymes with different biological units and fold types are ...
  • Catalytic microchannel configurations for hydrocracking of Fischer-Tropsch hydrocarbons 
    Hösükoğlu, Mehmet İrfan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Petroleum crude oil is an important commodity as the primary source of energy and petrochemical industry but su ers from decreasing reserves and quality. Hydrocarbon commodities can also be produced synthetically by ...
  • Prox kinetics over Pt-Sn/AC under fully realistic reaction conditions 
    Eropak, Belkız Merve. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    This experimental study comprises a kinetic study of preferential CO oxidation (PROX) in the presence of H2, CO2, H2O, and CH4 over HNO3-oxidized activated carbon supported 1wt.%Pt 0.25wt.%Sn/AC catalyst prepared by the ...
  • A theoretical study on dry reforming of methane (CDRM) over cobalt metal 
    Çimenoğlu, Vasfiye. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    The aim of this study is to analyze the adsorption and reaction steps of CDRM on the Co(111) surface by using DFT calculations. In this context, the adsorption/coadsorption of reactants, reaction intermediates, and the ...
  • Investigation of CO oxidation kinetics over gold catalysts 
    Ülgüel, Caner. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    This experimental study involves preliminary work conducted over 0.5wt%Au/Al2O3 and kinetic study of low-temperature CO oxidation over 1wt%Au/1.25-wt%MgO/Al2O3 prepared by the homogeneous deposition-precipitation method. ...
  • Investigation of linear paths in human wnt signaling network 
    Nalbantoğlu, Bahar. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Recently, the evolutionarily conserved signaling pathways which are involved in embryonic development are on the march for many research since the deregulations seen in the mechanism of these patways results in several ...
  • A mechanistic view on rRNA - antibiotics binding 
    Güneş, Mehmet Ünal. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    The ribosome, which is the macromolecular machine for protein synthesis, is one of the most striking targets for the antimicrobial drugs. Antibiotics that block the protein synthesis in various ways in ribosome have different ...
  • Investigation of the interfacial instability between a newtonian fluid and a polymeric fluid under the influence of an electric field for microfluidics applications 
    Ersoy, Gülsüm. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Microfluidic devices are widely used in various industries as they provide many advantages such as easy control of chemical reactions, heat and mass transfer, short analysis time and consumption of chemicals in small ...
  • Catalyst screening and testing for steam reforming of methane to synthesis gas 
    Aktürk, Nilay. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    The major aim of this study is to investigate the effects of different metals and supports on methane conversion and carbon monoxide selectivity in steam reforming (SR) of methane. The test matrix involves the investigation ...
  • Beta-lactamase binding to blip and blip based peptides 
    Doğan, Aslıgül. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Extensive use of antimicrobial agents has generated selective pressure on bacteria and resulted in development of resistance to beta-lactam antibiotics. The main resistance mechanism of bacteria is the production of ...
  • Integrated analysis of drug resistance in Saccharomyces Cerevisiae identification of key transcription factors involved in drug resistance 
    Öç, Şebnem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    In this study, the transcriptome data from the three homozygous deletion mutants, Δqdr3/Δqdr3, Δpdr3/ Δpdr3, and Δho/Δho, of Saccharomyces cerevisiae grown in glucose or ammonium limited continuous cultures were investigated ...
  • Catalyst development for hydrocarbon production by carbon monoxide hydrogenation 
    Erol, Murat. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    The aim of this work was the development and testing of supported rhodium catalysts for hydrocarbon production by CO hydrogenation. Four different catalysts were prepared by sequential or co-impregnation to incipient wetness ...
  • Three dimensional modeling of autothermal reforming of methane in a Pt-Ni washcoated micro-channel reactor 
    Aksakal, Kerem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    Steady state behavior of hydrogen production from oxidative steam reforming of methane in a Pt-Ni bimetallic washcoated Al2O3 microchannel reactor was modeled and simulated three dimensionally by using CFD program. Internal ...
  • An experimental study on the effect of metal loadings on WGS performance of Au-Re system 
    Yoğurtçu, Burcu. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    The aim of the current work is to understand the effect of Au and Re loadings and Au:Re loading ratio on the WGS performance of the Au-Re/CeO2 system under the flow of realistic feeds. In this experimental work, water-gas ...
  • Beta-lactamase ligand recognition 
    Menekşedağ, Deniz. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    Beta-lactamases hydrolyze the beta-lactam ring of antibiotics, rendering them ineffective. Understanding the inhibitor recognition mechanism of beta-lactamases will give important information toward the fight against ...
  • Functional analysis of the genes in the glucose metabolic network by a system based modular approach 
    Yüzüak, Okan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    In this study, all proteins associated with the Process Gene Ontology (GO) term “Glucose Metabolic Process” were collected and a network of all reported interactions among these entities was constructed with a stringent ...
  • Catalytic oxidation of methane in a microchannel reactor under oxygen-lean conditions 
    Kara, İsmail Bahadır. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    The aim of this study is to investigate methane oxidation in a microchannel reactor under the effect of Pt, Rh and Ru catalysts supported on δ-Al2O3. Methane oxidation is an integrated part of the oxidative steam reforming ...
  • Multiple and alternate optima of LP problems via recursive MILP : a MATLAB implementation 
    Sayın, Ridade. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    In this thesis, the Recursive Mixed Integer Linear Programming (RMILP) algorithm invented by Prof. Grossman's group at the Carnegie Mellon University is studied. The algorithm is guaranteed to find all the alternate optima ...
  • Understanding the membrane penetration of antimicrobial 
    Alaybeyoğlu, Begüm. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    The studies on β-lactam antibiotics have found great interest since the use of antimicrobial therapy became widespread and as a result, bacteria started to develop resistance against β-lactam antibiotics. The most effective ...

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