Browsing Kimya Mühendisliği by Issue Date

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  • Study of low temperature water gas shift reaction on promoted Au/Al2O3 catalysts 
    Güneş, Hacer. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    The goal of this research was to test the activity of the promoted Au/Al2O3 catalyst for the low temperature water gas shift (LT-WGS) reaction. First, a series of 1.25 wt.% Au/MOx/γ-Al2O3 (M= Ce, Mg, Fe, Mn, Co, Ni) catalysts ...
  • Modeling of methane autothermal reforming in a cylindrical Pt-Ni washcoated reactor 
    Kurdoğlu, Beyza. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    The catalytic indirect partial oxidation (combined total oxidation and steam reforming) reactor for the conversion of methane to hydrogen for fuel cell applications is investigated using computer–based modeling techniques ...
  • Kinetic study of selective CO oxdidation on Au/ Al2O3 catalyst 
    Demir, Mehtap. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Kinetic study of selective CO oxidation was performed over Au/Al2O3 catalyst prepared using homogeneous deposition-precipitation method. First, the alternative models proposed for the similar catalytic systems in the ...
  • Monte Carlo (MC) path generation and small-world network approach to identify functional residues in proteins 
    Armutlulu, Andaç. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Allosteric mechanism of proteins is crucial for their proper functioning. An important aspect underlying this mechanism is the communication pathways connecting the regulatory and active sites of proteins. Monte Carlo (MC) ...
  • Study of catalytic reaction kinetics using strongly typed genetic programming 
    Basmacıoğlu, Arman. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Kinetic modeling of some generic and real catalytic reactions systems were performed using strongly typed genetic programming. The reaction rate laws were created using the data generated for generic reactions and experimental ...
  • Recontruction of insulin signaling network in H. sapiens 
    Ümit, Pelin. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Insulin is an animal hormone that regulates the glucose levels in blood. It is medically used to treat diabetic patients. Diabetes is characterized by the failure of synthesizing, secreting or responding to insulin and it ...
  • A study on biometallic water gas shift catalysts to be used ın fuel processing 
    Güven, Sabriye. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    The aim of this study is to design and develop a Au-based, bimetallic WGS catalyst which has suitable activity and selectivity characteristics to be used in a fuel processor. The catalyst composition, preparation method, ...
  • A theoretical study on the interaction of bimetallic Pt-Ni surface and the reactants of oxidative steam reforming reaction 
    Ercan, Elif. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Pt-Ni bimetallic system is an efficient catalyst for Oxidative Steam Reforming (OSR) reaction; the detailed experimental test results obtained from Pt-Ni system have been already given in literature. In those research ...
  • Tagging proteins: sumoylation mechanism by molecular modeling and molecular dynamics simulations 
    Korkmaz, Elif Nihal. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    Sumoylation, the covalent attachment of SUMO (Small Ubiquitin Like Modifier) to target proteins is a posttranslational modification that can alter intracellular localization, interactions with other proteins or result in ...
  • Investigation of crosstalk between Wnt and Hedgehog signaling pathways 
    Eren, Aysun. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    In the last few years, an intense interest is being shown in the evolutionarily conserved signaling pathways which have crucial roles during embryonic development. The most intriguing factor behind this interest is that ...
  • An experimental study on Pt-based bimetallic oxidative steam reforming (OSR) catalysts 
    Göçmen, Bayram Ali. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2010.)
    In the current study, Pt-Ni/Al2O3 system was optimized for catalytic hydrogen production via oxidative steam reforming of propane. Oxidative steam reforming of propane was tested over four Pt-Ni/d-Al2O3 bimetallic and one ...
  • Application of data envelopment analysis to chemical engineering 
    Ergün, Gökay Serdar. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    Data Envelopment Analysis (DEA) is a method for measuring relative efficiencies of Decision Making Units (DMUs). DEA is used to rank the DMUs according to their relative efficiencies. For the last three decades, there have ...
  • Identification of key transcription factors in glucose sensing pathway in Saccharomyces Cerevisiae 
    Alazi, Ebru. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    In this study, a genome-scale transcriptional regulatory network (TRN) in S. cerevisiae was constructed and integrated with the transcriptome data available in literature for the mutants of the glucose signaling pathway ...
  • Design, construction and testing of a lab scale fuel processor prototype for dynamic performance studies 
    Başar, Melek Selcen. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    The aim of this study is to design, construct and test a fuel processor prototype for catalyst performance studies under steady-state and dynamic operation conditions. The propane fuel processor consisted of a main oven ...
  • Development of a systems based modular approach to link complex diseases 
    Rende, Deniz. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    A novel systems based modular approach was developed in this study to investigate the shared underlying mechanisms of three prevalent complex disorders: cardiovascular disease (CVD), Type 2 diabetes (T2D) and Alzheimer‘s ...
  • Investigation of PTP1B activation mechanism computational methods 
    Özkaral, Burcu. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    Protein tyrosine phosphatase 1B (PTP1B) is a negative regulator of insulin and leptin signaling, and is a major molecular target for the treatment of type II diabetes and obesity. WPD loop is a key element in the mechanism ...
  • Investigation of the relationship between sphingolipid and insulin signaling pathways 
    Karagöz, Kübra Büyükyanbolu. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    Sphingolipids are the membrane lipids which have significant roles in signal transduction as second messengers and in regulatory pathways including cell cycle arrest, apoptosis, senescence and differentiation. Ceramide ...
  • A theoretical study on catalytic steps of hydrogen production and purification 
    Sümer, Aslıhan. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    The aim of this thesis is to obtain information on catalytic activity of transition metals used in different steps of hydrogen production and purification. Density functional theory calculations with periodic slabs have ...
  • Investigation of in-vivo inhibition of β-lactamase by β-lactamase inhibitor protein 
    Akkaya, Ayşe Ezgi. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    β-lactam antibiotics, which target transpeptidase enzymes that synthesize the bacterial cell wall, are the most widely utilized antimicrobial agents. However owing to the widespread usage, bacteria acquire resistance to ...
  • Computational prediction of protein-protein interactions in sphingolipid signaling network 
    Güngörmez, Yasemen. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    Proteins carry out most of the work in the cell such as immunological recognition, DNA repair and replication, enzymatic activity, cell signaling by interacting with other proteins. Therefore deciphering protein-protein ...

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