Fen Bilimleri Enstitüsü: Recent submissions

  • The energy and effect of ionization on cluster formation and post ionization dynamics of energetic materials : a density functional study on (C3H6N6O6)2 
    Kıyak, Güven. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    In this work, structures and energetics of (C3H6N6O6)2 and [(C3H6N6O6)2]+ molecules have been investigated via computational chemistry methods. Using Density Functional Theory, the neutral and positively charged dimer ...
  • Synthesis of potentially active quinoline derivatives against prostate cancer 
    Gül, Turan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Prostate cancer is the major cause of death among elderly men all around the world. According to the recent reports, 15% of the US men are faced with prostate cancer and 3% of them lose their lives. Researches on prostate ...
  • Thiol reactive hydrogels from single precursor 
    Hanay, Saltuk Buğra. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Hydrogels have become very popular materials in last few decades. They have found high potential of use in tissue engineering, drug delivery systems, biosensors and wound healing dressing. Recently, there is a great interest ...
  • Synthesis and effectiveness of low styrene emission agents for unsaturated polyester 
    Erdem, Ahmet. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    The aim of this work is to synthesize linear and branched reactive molecules for use as low styrene emission (LSE) additives for unsaturated polyester (UPE). Maleinization reaction of primary alcohols was a specific way ...
  • Photo-responsive microcapsule systems via supramolecular chemistry 
    Türksoy, Kader Merve. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Supramolecular self-assembly is a reversible process by which nanoparticles or other components spontaneously ordered into well organized functional structures due to their specific noncovalent interactions through their ...
  • Photocatalytic degradation of phthalic anhydride and dicarboxylic acids 
    Ökte, Ayşe Neren. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1994., 1994.)
    Exposure of Ti02 particles to light with an energy equal or greater than its bandgap leads to the creation of electrons and holes which are able to degrade toxic chemicals. In this study, in the presence of Degussa P25 ...
  • Fabrication of thiol reactive polymeric microstructures 
    Gevrek, Tuğçe Nihal. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    PEG-based 3D hydrogel patterns containing thiol reactive maleimide functional groups have been prepared using a novel Diels-Alder/retro Diels-Alder strategy. Bulk-hydrogels and hydrogel patterns containing various amount ...
  • Maleimide based thiol reactive hydrogels and polymers from orthogonally functionalizable biodegradable dendrons 
    Onbulak, Sebla. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Hydrogels and polymers with reactive side chains have gained an increased attention in recent years due to their amenability to efficient post-functionalization. Wide applications of such hydrogels and polymers in biomedical ...
  • Photofunctionalizable hydrogels via orthogonally clickable dendrons 
    Yiğit, Sezin. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Hydrogels are three-dimensional, cross linked hydrophilic polymeric materials that have attracted much attention due to their key role in the development of drug delivery systems, biomolecular sensors and scaffolds for ...
  • Synthesis, characterization, micellar and drug release properties of dihydrophilic / amphiphilic poly (n-isoproplacrylamide) -b-poly (vinyl acetate )/ poly (vinyl alcohol) diblock copolymers 
    Helvacıoğlu, Ekmel. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    In this study, poly(vinyl acetate)-b-poly(N-isopropylacrylamide) block copolymers, which were previously synthesized by macromolecular design via interchange of xanthates (MADIX) process, are partially or fully hydrolyzed ...
  • Modeling cycloaddition reactions 
    Agopcan, Sesil. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    In this study, the selectivities in two types of cycloaddition reactions, namely Diels- Alder and 1,3-dipolar cycloadditions are investigated. In the first part, the diastereoselectivity in the hydrogen bonding assisted ...
  • Synthesis of branched alkyl substituted potential drug molecules active against prostate cancer 
    Çavuşoğlu, Nariye. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Prostate cancer is the second most common malignancy and age related cause of death among males especially in the western world. It is claimed that there is a relation between the probability of getting prostate cancer and ...
  • Thermally cleavable multiarm and miktoarm star polymers via Diels-Alder / retro Diels-Alder strategy 
    Munkhbat, Oyuntuya. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Diels-Alder reaction is a well known [4+2] cycloaddition reaction between a diene and a dienophile. The fact that Diels-Alder reaction takes place even at room temperature without use of any other reagents and reverse ...
  • Dendron-polymer-dendron based micelles as drug delivery systems 
    Manavoğlu, Emine Ece. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Polymeric micelles are known to be good candidates for drug release systems due to their high loading capacities of inner hydrophobic core as well as unique compatibility in the body. Micelles from amphiphilic copolymers ...
  • Synthesis of end-functionalized alkyl α-(hydroxymethyl) acrylate ester ether dimer derived polymers via atom transfer radical polymerization 
    Ryskulova, Kanykei. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    In this research, end group modification, hydroxylation, of the cyclic polymers obtained by the atom transfer radical polymerization of the alkyl- α-(hydroxymethyl) acrylate ester dimers (RHMA) were targeted. The dimers ...
  • Heterogeneous photocatalytic activity of transition-metal cation impregnated TiO2 
    Rakshandeh (Bazargan), Parisa Deljouie. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1993., 1993.)
    Irradiation of aqueous Ti02 dispersions containing metal ions with light of energy equal or greater than the bandgap of the catalyst. leads to a deposition on the semiconductor particle surface. This photodeposition process ...
  • Core reactive biodegradable multiarm star polymers 
    Kılıç, Elif. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Functionalizable macromolecules have attracted increasing attention as polymeric materials due to their wide application in material and biological sciences. Although a lot of work has been done in this area, little attention ...
  • Molecular docking study for novel phosphodiesterase-IV inhibitors 
    Çifci, Gülşah. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    In this study, a molecular docking process for different Phosphodiesterase4 inhibitors is carried out. In the molecular modeling field, the process of docking a ligand to a binding site consists in mimicing the natural ...
  • Recognition mediated fabrication and tailoring of poymeric and colloidal microstructures 
    Yeşilbağ, Gülen. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    Molecular self-assembly is the spontaneous and reversible organization of molecular units into ordered structures by non-covalent interactions. Due to specific non-covalent interactions, the building blocks such as molecules, ...
  • Investigating the roles of important amino acid residues in GTPase activity of Elongation Factor-Tu (EF-Tu) 
    Gül, Şeref. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    A large number of guanosine triphosphate (GTP)/ guanosine diphosphate (GDP) binding proteins (G-proteins), which usually have intrinsic (and/or stimulated) GTPase activity, are involved in a wide range of cellular regulatory ...