Güncel Gönderiler: Fen Edebiyat Fakültesi
Toplam kayıt 135, listelenen: 41-60
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Superhydrophobic EVA copolymer fibers: the impact of chemical composition on wettability and photophysical properties
(Springer, 2018)Fibers of poly(vinyl acetate) (PVAc) homopolymer and ethylene vinyl acetate (EVA) copolymers with varying vinyl acetate (VAc) contents between 25 and 40wt.% have been prepared to investigate wettability and photophysical ... -
Synthesis of fluorinated polypropylene using CuAAC click chemistry
(Wiley, 2019)Synthesis of fluorine containing polypropylene (PP-F) from chlorinated polypropylene (PP-Cl) via Cu(I) catalyzed Huisgen type 1,3-dipolar cycloaddition (CuAAC) and its water repellency properties are demonstrated. Initially, ... -
The effect of drop size on contact angle measurements of superhydrophobic surfaces
(Royal Soc Chemistry, 2014)In this study, the effect of drop volume on contact angle (CA) values and also on the applicability of the Cassie-Baxter equation is experimentally investigated. To do this, dimethyldichlorosilane (DMDCS) coated different ... -
Consistent enlargements of the core in roommate problems
(Springer, 2015)In this paper, we study consistent enlargement of a solution. By computing it, one actually evaluates the extent to which the solution would have to be expanded in order to be well-defined and consistent. We show that the ... -
On some classes of 3-dimensional generalized (?, µ)-contact metric manifolds
(2015)The object of the present paper is to obtain a necessary and sufficient condition for a 3 -dimensional generalized (κ, µ) -contact metric manifold to be locally ϕ-symmetric in the sense of Takahashi ... -
Synthesis, biocompatibility and gene encapsulation of poly(2-Ethyl 2-Oxazoline)-dioleoyl phosphatidylethanolamine (PEtOx-DOPE) and post-modifications with peptides and fluorescent dye coumarin
(Taylor and Francis Inc., 2020)Liposome surface modifications serve great potential applications of liposomes, for instance, increasing stability, bioactive liposome conjugates, and targeted drug, gene, and image agent delivery. In this study, novel ... -
A dual responsive colorimetric sensor based on polyazomethine and ascorbic acid for the detection of Al (III) and Fe (II) ions
(Pergamon-Elsevier Science Ltd, 2021)In the present paper, a novel double cation target colorimetric sensor was developed for the detection of Al (III), and Fe (II) ions. It was composed of ascorbic acid in a polyazomethine matrix, and polyazomethine was used ... -
Effect of flow rate on wetting and optical properties of electrospun poly(vinyl acetate) micro-fibers
(Springer, 2019)In this work, extremely hydrophobic micro-fibers from polyvinyl acetate (PVAc) were obtained by changing the flow rate of the solution in electrospinning process. Surface morphologies and wettability of the fiber surfaces ... -
Preparation and characterization of electrically conductive multiwalled carbon nanotube/polyoxazoline nanocomposite films using spray coating
(Springer, 2019)Multiwalled carbon nanotube/poly(2-ethyl-2-oxazoline) (MWCNT/PEtOx) nanocomposites with different MWCNT content were successfully prepared by amidation reaction between amine-terminated PEtOx (PEtOx-NH2) and carboxylic ... -
Development of self-assembled poly(2-ethyl-2-oxazoline)-b-poly(epsilon-caprolactone) (PEtOx-b-PCL) copolymeric nanostructures in aqueous solution and evaluation of their morphological transitions
(Budapest Univ Technol & Econ, 2020)Amphiphilic block copolymers are known to self-assemble into various morphologies, including ellipsoids, tubular structures, toroids, vesicles, micellar structures. In this paper, we discuss the synthesis of copolymeric ... -
Synthesis of poly(2-ethyl-2-oxazoline)-b-poly(epsilon-caprolactone) conjugates by a new modular strategy
(Springer, 2020)Amphiphilic block copolymers where hydrophobicity and hydrophilicity coincide are essential building blocks for many supramolecular systems. By this time, polyethylene glycol (PEG) has been a conventional choice to constitute ... -
Synthesis and characterization of bile acid, poly (epsilon-caprolactone) and (L)-lysine diisocyanate ethyl ester based polyurethanes and investigation of their biodegradability properties
(Pergamon-Elsevier Science Ltd, 2021)A series of environmentally friendly polyurethane (PU) films are successfully synthesized. For this purpose, ringopening polymerization (ROP) of epsilon-caprolactone (epsilon-CL) in the presence of cholic acid (CA) initiator, ... -
A comprehensive study on electrospinning of poly (Vinyl alcohol): Effects of the TCD, applied voltage, flow rate, and solution concentration
(Turkish Chemical Society, 2020)In the present work, the electrospun fibers of poly (vinyl alcohol) (PVA) are fabricated from its solution in water under ambient conditions, and the effect of altered working parameters used such as tip-to?collector ... -
Study on the Synthesis and Characterization of Antibacterial Polystyrenes
(2019)In the present work, a series of quaternized antibacterial polystyrenes (anti-PSts) with various molecular weights is synthesized and characterized. Initially, ?-bromo end functional polystyrenes with different molecular ... -
The emerging applications of click chemistry reactions in the modification of industrial polymers
(Royal Soc Chemistry, 2019)Polymer modification has been practiced since the very early technological development of human kind by transforming natural resources into value-added commodities. Ever since the middle of the last century in which ... -
A Theoretical Study On Rh(I) Catalyzed Enantioselective Conjugate Addition Reactions of Fluoroalkylated Olefins
(Amer Chemical Soc, 2014)In this study, quantum mechanical calculations have been performed to elucidate the mechanism and enantioselectivity in rhodium-catalyzed 1,4-conjugate addition reaction of a series of aryl groups to electron-deficient ... -
A robust optimization approach for the breast cancer targeted design of PEtOx-b-PLA polymersomes
(Elsevier, 2021)The equipping of nanoparticles with the peptide moiety recognizing a particular receptor, enables cell or tissue specific targeting, therefore the optimization of the targeted nanoparticles is a key factor in the formulation ... -
Synthesis and characterization of biodegradable polyurethanes made from cholic acid and L-lysine diisocyanate ethyl ester
(Elsevier Sci Ltd, 2019)In this work, a series of biodegradable polyurethanes (PURs) based on cholic acid (CA) and L-lysine diisocyanate ethyl ester (L-LDI) that are renewable difunctional building blocks is synthesized by step growth polymerization. ... -
Synthesis of new bio-based hydrogels derived from bile acids by free-radical photo-polymerization
(Wiley, 2021)In this article, the study on the swelling and thermal behaviors of a new series of bile acid-based polymeric hydrogels is reported. For this purpose, in the first step, the reduction of carboxyl acid groups of some common ... -
Bile acid bearing poly (vinyl chloride) nanofibers by combination of CuAAC click chemistry and electrospinning process
(Elsevier, 2020)This study aims to deposit most common bile acids such as lithocholic acid (LCA) and chenodeoxycholic acid (CDCA) bearing poly (vinyl chloride) nanofiber (PVC-LCA and PVC-CDCA) coatings on glass slides surface using a ...