Fen Bilimleri Enstitüsü: Recent submissions

  • Synthesis and polymerization of epoxidized soybean oil - diamino silane adducts 
    Akdemir, Melissa. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    In this study, Epoxidized Soybean oil is reacted with a diamino-functional silane, N-2-aminoethyl-3-Aminopropyltrimethoxysilane, through ring opening of the epoxide. This was done in three different stoichiometry where ...
  • Diene containing polymer brushes for bioimmobilization 
    Üzüm, Yasemin Nursel. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    Reactive polymer brushes have emerged as an active area of research in recent years. The increasing popularity of polymer brushes is due to the multiple advantages that they offer. In fact, they can be obtained with ...
  • Synthesis and characterization of core-shell nanoparticles for proton exchange membrane fuel cells 
    Avrupalı, Kübra. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    In recent years, low-carbon and non-carbon producing methods are investigated and applied all over the world owing to a more environmentally conscious society. Within these methods, fuel cells show great potential for clean ...
  • Difunctional monomeric and polymeric photoinitiators: synthesis and photopolymerization behaviors 
    Cesur, Belgin. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    The first methacrylate monomers with two Type I or Type II side-chain photoinitiating groups (PI1, PI2 and PI3) have been synthesized from reactions of 2-(chloromethyl)acryloyl chloride and 4-hyroxybenzophenone, ...
  • Synthesis and characterization of epoxidized soybean oil / diisocyanate thermoset polymers 
    Kırevliyası, Makbule Gizem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    In this study, novel vegetable oil based thermoset polymers were synthesized from Epoxidized Soybean Oil (ESO) with several diisocyanates, methylene diphenyl diisocyanate (MDI), toluene diisocyanate (TDI), isophorone ...
  • TiO2 and ZnO loaded fly ash catalysts 
    Tuncel, Duygu. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    In this study, two binary catalysts TiO2 supported fly ash (TiO2-FA) and ZnO supported fly ash (ZnO-FA) were sythesized by sol-gel and co-precipitation technique. The as-prepared catalysts were characterized by using several ...
  • Synthesis and polymerization of plant oil monoglyceride maleates 
    Can, Erde. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1999., 1999.)
    In this study, rigid thermoset polymers were synthesized from radical copolymerization of the soybean oil monoglyceride maleates with styrene. In the first part of the study, soybean oil monoglycerides (SOMG) were obtained ...
  • Novel polymeric materials via reactive polymers 
    Cengiz, Nergiz. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    Novel synthetic strategies for fabrication of reactive polymers, multifunctional hydrogels and bio-functionalizable micro-patterned hydrogels are described. A set of highly efficient chemical reactions referred as ‘click’ ...
  • Quantum mechanical investigation of the potential of oligothiophenes and oligoselenophenes as active materials in organic photovoltaic cells 
    Erbay, Tuğçe Gülşen. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    The geometrical, optical and electronic properties of dicyanovinyl substituted oligothiophenes and oligoselenophenes are studied by using Density Functional Theory. The geometry of the oligomers are best predicted using ...
  • Trace metal analysis of fresh and canned food samples by anodic stripping voltammetry 
    Tatar, Şeyma İrem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    The objectives of this study were to develop the parameters of an electroanalytical method, DPASV, for the determination of trace elements Zn, Cu, Pb and Cd in fresh and canned food samples, and to compare the new method ...
  • Effect of hydrophilic segment length on size and stability of core crosslinked micelles 
    Arslan, Rabia Kolat. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    Polymeric micelles are being extensively studied in recent years for their potential use as drug carriers. They consist of hydrophilic and hydrophobic segments and due to the solubility difference between these segments, ...
  • Synthesis of a novel formaldehyde-free crosslinker for waterborne binder dispersions in textile industry 
    Demircioğlu, Gökçe. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    Binders are emulsion polymers used in textile and nonwoven production to impart integrity, strength and durability. However, binders that do not have reactive functional monomers in their formulations are not efficient ...
  • Design of functionalizable polymer coated magnetic nanoparticles drug delivery applications 
    Öz, Yavuz. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    Synthesis of monodisperse, water-dispersible and biocompatible iron oxide nanoparticles with functional groups has gained importance because of the potential applications in biomedicine such as drug delivery, MRI agent, ...
  • Targeted micellar structures for anticancer drug delivery 
    Çalık, Filiz. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    Most of the chemotherapy drugs are hydrophobic and require the use of a solubilizing agent. Polymeric micelle enhance the solubility of such drugs by carrying them in the hydrophobic core. Block copolymers forming the ...
  • Complexation of semi-flexible biopolyelectrolytes 
    Köksal, Alaaddin Faruk. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Complex formation and phase separation of two oppositely charged biopolyelectrolyte solutions were investigated by using turbidimetry. In our study, we have chosen to work with solutions of hyaluronic acid (HA), a polyanionic ...
  • Synthesis of isoquinoline and pyrocatechol derivatives as potential drug molecules active against prostate cancer 
    Zengin, Elif. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Prostate cancer is one of the most common cancer types among male worldwide. It has been found that about 80 percent of prostate cancer patients have high level of androgen levels. Prior researches have stated that reducing ...
  • Sythesis of anti-angiogenic drug conjugates against breast canser 
    Günday, Sedef. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Angiogenesis, formation of new blood vessel, has a primary role in local growth and distant metastasis in breast cancer. By an anti-angiogenic therapy for breast cancer, this process can be inhibited. Different from ...
  • New polymers from triglycerides and silicones 
    Çilka, Samet. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    In this study Maleinized Soybean Oil (SOMA) was used as a crosslinking agent for two functional polydimethylsiloxanes. In the first example, the silicone used was carbinol silicone. IR of the product proved the formation ...
  • The isolation and identification of sesquiterpene lactone constituents of the plants Centaurea Cheirolopha Wagenitz and Centaurea Cuneifolia sm. 
    Yetüt, İzlem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1998., 1998.)
    The aim of this study is the isolation and identification of the physiologically active terpenic constituents of the plants Centaurea cuneifolia Sm. (Compositae) and Centaurea cheirolopha Wagenitz (Compositae). Former ...
  • Synthesis of networks and interpenetrating networks from functionalized castor and soybean oils 
    Avcılar, Şeyma. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    In this study, castor oil is maleated to give maleated castor oil (COMA). This macromonomer is capable of reacting as epoxy curing agent through its carboxylic end as well as undergoing free radical polymerization with ...