Fen Bilimleri Enstitüsü: Recent submissions

  • Modeling the selectivity of Diels Alder reactions in various media 
    Bahadır, Gamze. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    The goal of this research is to model and understand the Diels-Alder and 1,3- dipolar cyclo addition type of reactions in divergent media via two main reactions. In the rst part of this dissertation the exo/endo selectivity ...
  • Fabrication of cleavable covalently crosslinked colloidosomes 
    Cengiz, Büşra. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    In this study, cleavable microcapsules were obtained using self-assembly and crosslinking of magnetic nanoparticles at the oil-water interface. To achieve this, iron oxide nanoparticles coated with oleic acid were synthesized ...
  • Stereoisomers resulting from the hindered rotation in N-(o-ARYL)-2,4-oxazolidinedione derivatives 
    Ordu, Öznur Demir. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2001., 2001.)
    In this study, sterically hindered 5-methyl-3-(o-aryl)-2,4-oxazolidinediones and 5,5-dimethyl-3-(o-aryl)-2,4-oxazolidinediones have been synthesized by the reaction of the o-aryl isocyanates with (S)-(-)-ethyllactate or ...
  • Crosslinking of unsaturated polyester by conjugated soybean oil via Diels Alder reaction 
    Esen, Eren. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    In this study, unsaturated polyester (UPE) is crosslinked with conjugated soybean oil (CSO) with using the Diels Alder reaction and to prepare a one component UPE which can be cured in the mold simply by heating. The goal ...
  • Synthesis and evaluation of new bisphosphonate - functionalized (METH) acrylates for biomedical applications 
    Güven, Melek Naz. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    In the first part of this work, new urea dimethacrylates functionalized with bisphosphonate ( 1 a, 1 b) and bisphosphonic acid (2a, 2b) groups were synthesized and evaluated for dental applications. Monomers 1a and 1 b ...
  • Synthesis of photopolymerizable macromers giving novel poly (B-amino ester)s for biomedical applications 
    Akyol, Ece. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    Biodegradability, hemocompatibility, protein adsorption resistance, and strong interactions with hydroxyapatite (HAP)-based tissues such as dentin, enamel, and bone are properties that make phosphorus-containing biomaterials ...
  • Formaldehyde - free crosslinker synthesis in waterborne binder dispersions for textile industry 
    Aracı, Seda. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    In textile industry, the binders used are mostly water based acrylic dispersions. These binders provide strength, elastic recovery, soft hand, flexibility, color retention and also resistance to washing and aging to the ...
  • Surface adsorption of hydroxyapatite nanoparticles with catechol modified hyaluronic acid 
    Ataalp, Nihan (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    Biopolyelectrolytes have been a very popular research field due to their applications ranging from food science to biomaterials. Biopolyelectrolytes can bind with higher affinity to the surfaces of biodevices if their ...
  • Hindered rotation versus racemisation in axially chiral thiohydantoin derivatives 
    Arıca, Oya. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    In this project 5-benzyl-3-(aryl)-2-thiohydantoin and 5-isobutyl-3-(aryl)-2-thiohydantoin derivatives have been synthesized by reacting aryl isothiocyanates with S-phenylalanine methyl ester hydrochloride or with S-leucine ...
  • The production of thermally conductive thermoplastic polymers with metallic or carbon fillers 
    Türel, Tankut. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    Thermal conductivity values of organic polymers are extremely low. Therefore, they are used as thermal insulating materials in many applications. In recent years, especially in electrical and electronics industry, plastic ...
  • New bio-active and surface active plant oil derivatives 
    Çiftçi, Ece. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    The search for biodegradable materials from renewable resources instead of petroleum oil based materials is motivated by the growing concern for sustainability. The vegetable biomass is one of the promising renewable ...
  • Multifunctional nanogels via self - assembly of polymers 
    Aktan, Buğra. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    Water soluble multifunctional nano structures are promising candidates as imaging agents for early and post-treatment diagnostics. In this thesis, design and synthesis of novel multifunctional nanogels have been achieved ...
  • Protein release from redox responsive hydrogels 
    Altınbaşak, İsmail. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    Hydrogel networks that can enable slow release of therapeutic proteins are attractive candidates for various biomedical applications. For example, these materials can serve as valuable coatings on medical implants that can ...
  • Scrap rubber recycling in nitrile rubber composites 
    Şahin, Yeşim Müge. (Thesis (M.S.) - Bogazici University. Institute for Graduate studies in Science and Engineering, 2001., 2001.)
    In this study, scrap rubber were recycled by blending with nitrile rubber composites, having carbon black as filler. Resulting composites have been investigated, in terms of rheological and dynamic-static mechanical ...
  • Novel biofunctional polyester nanofibers 
    Arslan, Evrim. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    In recent years, nanofibers have gained much attention in different scientific fields due to their potential applications. Increased interest arise due to their promising properties such as high surface-to-volume ratio, ...
  • Near - infrared absorbing phthalocyanines: second - generation of photosensitizers for photodynamic therapy in the therapeutic biologic window 
    Okyay, Tuğba Muhlise. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    Photodynamic therapy (PDT) is an alternate cancer therapy and it emphasizes the key role of the light and the photosensitizer as well. A photosensitizer is a chemical compound and has special photophysical properties, which ...
  • Novel polymer-dendron conjugate based micellar carriers for targeted drug delivery 
    Aksoy, Harun Utku. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Due to their hydrophobic nature, most of the chemotherapy drugs have poor solubility in water. To increase their solubility, solubilizing agents are necessary, which can often cause side effects. Conversely, instead of ...
  • Synthesis of isoquinoline derivatives as potential drug molecules active against prostate cancer 
    Karakaya, Halenur. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Cancer is the most common neoplasm of the prostate in developed countries. About 80% of prostatic tumors are based on elevated levels of androgens because androgen stimulates the cellular proliferation of human prostate ...
  • Prepartion and analysis of biodegradable dendritic macromolecules for enhanced tumor accumulation 
    Yener, Janset. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    The most important problem in cancer treatment is that many of the side effects of drugs used. While these drugs kill cancer cells, they also damage healthy cells. To reduce the side effects of these drugs, to extend the ...
  • Redox-responsive colloidosomes via supramolecular chemistry 
    Helvacı, Hasan Can. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    In supramolecular chemistry, molecules can be assembled together through non-covalent interactions without management from an outside source in order to form well-organized structures such as micelles, microspheres, interface ...