Güncel Gönderiler: Kimya Bölümü Koleksiyonu
Toplam kayıt 75, listelenen: 21-40
-
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 ... -
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 ... -
Synthesis, Thermal and Morphological Properties of Polyurethanes Containing Azomethine Linkage
(Springer, 2014)This paper presents synthesis, photophysical, electrochemical, thermal and morphological properties of Schiff bases containing various side-group substitutions and polyurethanes (PUs) containing azomethine linkage. ... -
Photophysical, Electrochemical, Thermal and Morphological Properties of Polyurethanes Containing Azomethine Bonding
(Taylor & Francis Inc, 2014)In this paper, three new low band gap Schiff bases were prepared by using 3-etoxy-4-hydroxybenzaldehyde and different o-phylene diamines. Then, these Schiff bases were converted to low band gap polyurethane derivatives, ... -
Photoelectrochemical Biosensing Approach for Alcohol Determination by "Wiring" of Alcohol Oxidase Photonically with P(SNS-NH2)/AOx/CNT/[Ru(bpy)(3)](2+) Modified Electrodes
(Taylor & Francis Inc, 2014)A photoelectrochemical alcohol biosensor was designed through photonic wiring of alcohol oxidase (AOx) onto conducting polymer of 4-(2,5-di(thiophen-2-yl)-1H-pyrrol-1-yl)benzenamine (SNS-NH2) and carbon nanotubes (CNTs) ... -
The Novel Poly(azomethine-urethane): Synthesis, Morphological Properties and Application as a Fluorescent Probe for Detection of Zn2+ Ions
(Springer, 2015)In this paper reports synthesis of a new kind of Schiff base-polyurethane containing azomethine linkage and uses of this poly(azomethine-urethane) as fluorescence probe for determination of transition metal ions in aqueous ... -
New low-band gap polyurethanes containing azomethine bonding: Photophysical, electrochemical, thermal and morphological properties
(Elsevier Science Bv, 2016)In this paper, a series of new Schiff bases with different substituents were prepared via condensation reaction of vanillin and different diamines. These monomers were converted to polyurethane derivatives using aliphatic ... -
2,4-Diamino-6-Hydroxypyrimidine Based Poly(azomethine-Urethane): Synthesis and Application as a Fluorescent Probe for Detection of Cu2+ in Aqueous Solution
(Springer/Plenum Publishers, 2015)A novel poly(azomethine-urethane)-based 2,4-diamino-6-hydroxyprimidine was synthesized with chemical reaction and it designed as fluorescence probe for determination of Cu2+ in aqueous solution. The photoluminescence (PL) ... -
Melamine-based poly(azomethine) hydrogels: Mechanical, biodegradability, drug loading and antibacterial properties
(Pergamon-Elsevier Science Ltd, 2018)In the present paper, a new series of biodegradable poly(azomethine) gels were prepared to investigate the usability as biomaterials. The structures of the hydrogels were characterized by using FT-IR and SEM analyses. ... -
A highly selective, sensitive and stable fluorescent chemosensor based on Schiff base and poly(azomethine-urethane) for Fe3+ ions
(Elsevier Science Inc, 2017)In this paper, Schiff base (PAH) and its poly(azomethine-urethane) derivative (P-PAH) were synthesized and high-quality film sensor of these compounds could be easily fabricated on transparent polyester surface through ...
