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- Browsing Theses (Master's and Ph.D) – Chemistry by Issue Date
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Browsing Theses (Master's and Ph.D) – Chemistry by Issue Date
Now showing items 21-40 of 100
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(Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2013-07)ABSTRACT: In this study chitin and chitosan were blended with sodium alginate. The blends were characterized by FTIR and SEM analysis. The swelling ratios of obtained products in different pH (1.0, 7.0, 11) were determined ...
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(Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2014-01)Perylene chromophore has an excellent aromatic conjugation and offers numerous advantages in many fields of application. One of their greatest advantages is the capability to functionalize the chromophore at its core/bay ...
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(Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2014-01)The perylene chromophore with versatile substituents offers strong absorption in the visible region with high molar extinction coefficients. Moreover, they are capable of emitting light with high fluorescence quantum yields ...
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(Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2014-01)In this study, chitosan was grafted with poly[(2-diethyl amino)ethyl methacrylate] in homogeneous and heterogeneous systems by using potassium persulphate as the initiator. The effect of temperature, time, (2-diethyl ...
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(Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2014-01)ABSTRACT: In this study, an eco-friendly superabsorbent hydrogel was prepared by crosslinking chitosan and starch using glutaraldehyde as the crosslinking agent. The chitosan-starch hydrogel (CSH) as an adsorbent was then ...
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(Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2014-02)Functionalization of perylene chromophore to result in a wide variety of perylene derivatives is a renowned strategy. Functionalization can be achieved by the substitution of corresponding groups at bay and imide positions ...
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(Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2014-02)ABSTRACT: Activated carbon was prepared from Ferula Communis and chemically activated with phosphoric acid. The modified activated carbon was utilized for the removal of malachite green (MG) dye from simulated wastewater. ...
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(Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2014-02)ABSTRACT: In this study, a superabsorbent hydrogel was synthesized by crosslinking chitosan and pullulan by glutaraldehyde. The Chitosan/Pullulan Hydrogel (CPH) as an adsorbent was then successfully used for adsorption of ...
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(Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2014-06)Perylene chromophoric derivatives are versatile compounds for many applications in various fields. Excellent optical properties such as high extinction coefficients and strong fluorescence combined with ease in electron ...
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(Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2014-06)Perylene chromophore has an outstanding aromatic conjugation. The functionalization at the bay and imide positions brings great advantages. Specifically, functionalization at the bay region via long alkyl chain improves ...
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(Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2014-06)Versatile substituents of perylene chrmophores creates higher absorptions in visible region of absorption spectrum and also exhibits higher coefficients of molar extinction. Furthermore, they have the ability to emit light ...
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(Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2014-07)Nowadays, novel organic substances are broadly employed in numerous sensing architectures. Clever organic compounds with profound electrochemical and photophysical properties are important for photonic applications. ...
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(Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2014-07)Nowadays, inhibiting telomerase and consequent disruption of the telomeres via formation of small organic molecule based G-quadruplex DNA structures is extensively studied. The potential of curing cancer cells (preventing ...
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(Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2014-07)Chitin was grafted with poly(2-hydroxyrthyl methacrylate) poly(HEMA) by using ceric ammonium nitrate (CAN) as the initiator. The effect of temperature, time, concentration of the monomer (HEMA), the amount of chitin beads ...
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(Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2014-07)ABSTRACT: This research aimed to propose an alternative cheap and abundantly available adsorbent (Ferula communis) for the removal of basic dyes from aqueous solutions. Chloroacetic acid modified Ferula communis (MFC) shows ...
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(Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2014-07)ABSTRACt: DDT is a very potent and cheap pesticide which was once widely used indoors and outdoors for pest control and in agriculture to increase crops. It was used throughout the world until evidence began to accumulate ...
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(Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2014-08)Chitin gel beads were prepared, crushed into powder and grafted with poly(4- vinylpyridine) (P4VP) under nitrogen gas by using cerium ammonium nitrate(CAN) as a redox initiator under heterogeneous conditions in toluene. ...
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(Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2014-08)In this study, Chitosan TPP beads and Chitosan TPP beads in the presence of PEG was prepared. PEG was added to achieve porosity after the removal of the polymer. The samples were characterized by FTIR and SEM analysis. The ...
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(Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2014-08)Chitosan was modified using citric anhydride to produce film membranes via solvent evaporation. The films dissolved in acidic media which showed that crosslinking was not achieved, but it showed an appreciable amount of ...
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(Eastern Mediterranean University (EMU) - Doğu Akdeniz Üniversitesi (DAÜ), 2014-08)In this study, the potential of Ferula Communis biomass (FC) was evaluated for removal of cationic dye from aqueous solution. Phosphoric acid modified FC was utilized to remove basic red 9 (BR-9) under varying adsorption ...
Now showing items 21-40 of 100
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