Fen Bilimleri Enstitüsü: Recent submissions

  • Effectsof rapamycin and caffeine on TOR signaling pathway in Saccharomyces cerevisiae 
    Kuzu, Güray. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    The aim of this study is to understand the effect of caffeine and rapamycin on the growth of yeast cells and identify flux changes in the presence of these chemicals in yeast. The repression effect of different concentrations ...
  • Reconstruction of cardiomyocyte energy metabolism and investigation of the healthy and disease cases by metabolic engineering techniques 
    Filiz, Çiğdem. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    In the present study, a reaction network of the cardiomyocyte energy metabolism is reconstructed by extensive literature survey and using the information obtained from the online databases of Kyoto Encyclopedia of Genes ...
  • Bistability analysis of an apoptosis model in the presence of nitric oxide 
    Şen, Sercan Murat. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Apoptosis, or programmed cell death, is a normal component of the development and healthy functioning of multicellular organisms. In apoptosis, cells die in response to a variety of stimuli in controlled and regulated ways. ...
  • Study of protein-protein interfaces using Gaussian network model 
    Soner, Seren. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    The interface type of the proteins are useful in determining the functioning mechanism of proteins. The interface type may either be obligatory, non-obligatory or crystal (non biological). Previous studies have tried to ...
  • Comperative study of low temperature water gas shift reaction over partıculate and monolithic catalysts 
    Tuna, Sevinç. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Low temperature water gas shift (LTWGS) performance of supported Pt-ceria catalysts was investigated over particulate and monolithic structures using both pure and mixed realistic feed compositions in the 225-300oC range. ...
  • Prediction of allosteric key residues and their role in protein folding 
    Ekesan, Şölen. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Allostery, an aspect of protein dynamics, is crucial in regulation of protein activity. It is believed that allostery is maintained through communication pathways of key residues residing within distant allosteric sites. ...
  • Modeling of catalytic plate reactors for fuel processor seystems 
    Kırçın, Rafet Murat. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    The mathematical model of a catalytic plate reactor (CPR) in which hydrogen is produced by two different reaction pairs, namely, exothermic methane total oxidation coupled with either ethanol steam reforming or ethane ...
  • Extraction of lignites from Çan, Soma and Tunçbilek with donor and non-donor solvents in soxhlet extractor and autoclave 
    Bolat, Esen. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1983., 1983.)
  • 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 ...
  • Phase transition in homogeneous flow of nematic fluids 
    Bahar, İvet. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1983., 1983.)
    Possibility of fonnation of a highly concentrated anisotropic phase in a dilute soluticn of rodlike molecules is investigated. The free energy expression for quiescent solutions of rodlike particles, introduced by Flory, ...
  • Investigation of noncanonical Wnt signaling network in C. elegans 
    Alazi, Feras. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Wnt proteins, a well conserved family of signalling molecules, initiate signalling mechanisms that play important roles in embryonic development of animals. Wnt proteins activate three distinct signalling pathways. ...
  • An experimental study on CO2 and butane adsorption on activated carbon 
    Oğur, Görkem. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    The aim of this study is to investigate the effect of textural and surface chemical properties of activated carbon (AC) samples on their CO2 and butane adsorption capacities and adsorption behavior. In the first part of ...
  • Drug target identification in sphingolipid metabolisim against G. lamblia 
    Yavuztürk, Fatma Banu. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Sphingolipids are essential cell compounds, mostly found in membranes and participated in cell events such as cell signaling, proliferation and apoptosis. Sphingolipid biosynthesis pathways have recently been highlighted ...
  • 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 ...
  • 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, ...
  • Reconstruction of protein-protein and domain-domain interaction networks of WNT signaling in C. elegans 
    Oruç, Muhammed Enes. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Signaling pathways and gene expression play an important role in living organisms during adult homeostasis. It is important how to behave against the changes in gene expression that is resulted in diseases due to signaling ...
  • Selective CO oxidation over monolithic Au/Al2O3 promoted by metal oxides 
    Özdemir, Seval. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    The objective of this study was to investigate the preparation methods of cordierite monolithic Au/MgO/Al2O3 catalysts for selective carbon monoxide oxidation in a hydrogen rich environment. In this comparative study, the ...

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