Fen Bilimleri Enstitüsü: Recent submissions

  • Reverse Monte Carlo modeling of metakaolin and metakaolin-based geopoymer 
    Arca, Serhat. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    A metakaolin-based geopolymer with an approximate composition of NaAlSi2O6.5.5H2O is synthesized by mixing metakaolin powder with a Na2Si3O7/NaOH solution at ambient conditions. High-energy x-ray diffraction data are ...
  • Oxidative coupling of meathane over Mn/Na2WO4 catalyst supported by monolithic SiO2 
    Uzunoğlu, Çağla. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    In this study, oxidative coupling of methane (OCM) to ethane and ethylene was investigated over Mn/Na2WO4 catalyst supported by monolithic silica. Monolithic silica (monosil), which was prepared using sol-gel method, ...
  • Fabrication of microfluidic devices for yeast culturing 
    Üçpınar, Sevda. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    Microfluidic technology has appreciated extensive success in recent years. Microfluidics is a well understood physic domain and can be used to develop tools for a wide range of platforms comprising engineering, biological ...
  • Bacterial uptake of antimicrobial peptides 
    Irvalı, Deniz. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    The discovery of beta lactam antibiotics has been a groundbreaking improvement in the treatment of bacterial diseases. However, most bacteria have gained resistance against beta lactam antibiotics which rendered them ine ...
  • Nonlinear evolution of the interface between two immiscible fluids in a micro channel subjected to an electric field 
    Ozan, Suat Canberk. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    In this work, the nonlinear evolution of the interface between two immiscible, Newtonian, leaky dielectric uids in a micro channel subjected to a pressure-driven base ow in the presence of an electric eld applied normal ...
  • A finite element thermal hydraulic analysis of a plate type fuel element 
    Kazan, Ş. Nejat. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1986., 1986.)
    In this work a mathematical model and a Computer program developed to perform thermcohydraulic analysis of a plate type fueled, water cooled nuclear core is presented. A finite element numerical solution was obtained for ...
  • Ceria coated microchannel reactor for water-gas shift reaction 
    Koca, Begüm. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    In this study, it is aimed to develop a method for coating Pt/CeO2/Al2O3 catalyst onto the FeCrAlY-based wall of a microchannel reactor and to study watergas shift (WGS) in the context of a parametric study. Firstly, the ...
  • Investigation of novel pharmacological chaperones against gaucher disease 
    Yılmazer, Büge. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    Beta-Glucocerebrosidase (GBA) is a lysosomal protein which is responsible for the hydrolysis of glycosylceramide into glucose and ceramide. Mutations in GBA cause a dramatic decrease in activity and lead to accumulation ...
  • Parametric study of catalytic CO hydrogenation for producing dimethyl ether 
    Can, Hatice Merve. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    The objective of this study is to examine the catalytic performance of bi-functional catalyst systems in direct synthesis of dimethyl ether (DME). Direct synthesis method involves two consecutive steps: methanol synthesis ...
  • Descriptive and predictive statistical modeling of a ring spinning process 
    İşsever, Reyhan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    In the textile industry, spinning process is one of the most important stages to determine the yarn structure, on which the desired fabric properties highly depend, throughout the manufacturing chain. In the production of ...
  • Drug design against antimicrobial resistance 
    Kalyon, Kevser Betül. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    Cell penetrating peptides are extensively studied due to their potential for having antimicrobial properties. The purpose of this study is to understand the mechanisms of certain cell penetrating peptides in bacterial and ...
  • Knowledge extraction from published papers in literature for the catalytic methanol production from synthesis gas using data mining tools 
    Moskov, Dennis. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    In this work, a database for methanol synthesis was constructed from published liter-ature to extract knowledge and to build models to help the future studies. The database was built with 357 data points showing the effects ...
  • Design and development of Pt-based trimetallic WGS catalysts 
    Özer, Özgü (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    The aim of this study is to design and develop Pt-based catalysts having high WGS performance with suppressed methanation activity in HTS-LTS transition temperature region. In this context, a series of trimetallic Pt-Re-V/CeO2 ...
  • Modification and expansion of a computer aided design package for process flowsheet development 
    Dizdaroğlu, Gülseda. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1986., 1986.)
    An interactive design calculation package (DESPAC), prepared under the direction of Prof. A. Westerberg at Carnegie-Mellon University, contains flash, disti'llation and absorption routines. In this study DESPAC was firstly ...
  • Synthesis and characterization of sepiolite - based geopolymers 
    Acar, Göksu. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    Geopolymers are amorphous inorganic polymers that are alternatives to Portland cement (PC) due to their comparable performance such as high mechanical strength and fire resistance. Although geopolymers are traditionally ...
  • Structural characteristics of metakaolin - red mud and c-type fly ash based geopolymer systems 
    Kaya, Kardelen. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    Geopolymers are inorganic polymers that are alternatives to cementitious materials for sustainable construction and building products. In this thesis, metakaolin-red mud- and C type fly ash- (CFA) based geopolymers are ...
  • Application of data mining tools to extract knowledge for dry reforming of methane from published papers in literature 
    Şener, Ayşe Neslihan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    The aim of this thesis is to extract knowledge for dry reforming of methane reaction using data mining techniques that are decision trees and artificial neural networks. Firstly, the experimental data were collected from ...
  • An experimental study on design and characterization of CO2 adsorbents 
    Acar, Burcu. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    The aim of this study is to design and develop AC-based CO2 adsorbent(s) having both high and stable CO2 adsorption capacity, and ability to adsorb CO2 selectively from CO2-CH4 mixture. In this context, a commercial activated ...
  • Design and development of WGS catalysts for small scale hydrogen production units 
    Demirhan, Coşar Doğa. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    The aim of this work is to design and develop Au-based catalysts that suppress secondary methanation activity and show high WGS activity and stability. In this context trimetallic Au-Re-V/CeO2 catalysts were prepared, ...
  • Synthesis and characterization of metakaolin, fly ash and red mud based geopolymers 
    Özer, Işıl. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Geopolymers stand as potential future alternatives to ordinary cement offering to reduce global CO2 emissions with added advantages such as better mechanical strength and increased design lives. In this thesis, metakaolin, ...