Başlık için Kimya Bölümü Koleksiyonu listeleme
Toplam kayıt 74, listelenen: 15-34
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Development of novel self-assembled polymeric micelles from partially hydrolysed poly(2-ethyl-2-oxazoline)-co-PEI-b-PCL block copolymer as non-viral vectors for plasmid DNA in vitro transfection
(Taylor & Francis Ltd, 2018)A new efficient, non-viral gene delivery cationic polymeric micellar system was developed by partial hydrolysis of poly(2-ethyl-2-oxazoline) (PEtOx) with two different hydrolysis percentages of PEtOx (30% and 60%) to reduce ... -
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 ... -
A DFT approach to discriminate the antagonist and partial agonist activity of ligands binding to the NMDA receptor
(Taylor & Francis Ltd, 2018)The activation of N-methyl-D-aspartate receptors is found to be intimately associated with neurodegenerative diseases which make them promising therapeutic targets. Despite the significantly increasing multidisciplinary ... -
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 ... -
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 ... -
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 ... -
Electrospinning of Poly(1,4-Cyclohexanedimethylene Acetylene Dicarboxylate): Study on the Morphology, Wettability, Thermal and Biodegradation Behaviors
(Wiley-V C H Verlag Gmbh, 2020)This study is conducted to evaluate the biodegradation and thermal features of poly(1,4-cyclohexanedimethylene acetylene dicarboxylate) (PCA) based films and fibers. The PCA is characterized by Fourier transform infrared ... -
Elucidation of the atroposelectivity in the synthesis of axially chiral thiohydantoin derivatives
(Royal Soc Chemistry, 2020)Recently, Sarigul and Dogan have synthesized a number of enantiomerically enriched axially chiral atropoisomeric 2-thiohydantoins by the reaction of c-amino acid ester salts and o-aryl isothiocyanates in the presence of ... -
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 ... -
Exploiting ionisable nature of PEtOx-co-PEI to prepare pH sensitive, doxorubicin-loaded micelles
(Taylor & Francis Ltd, 2020)Aims This study was conducted to evaluate block copolymers containing two different poly(ethyleneimine) (PEI) amounts, as new pH-sensitive micellar delivery systems for doxorubicin. Methods Micelles were prepared with block ... -
Fabrication of polypropylene fibers possessing quaternized ammonium salt based on the combination of CuAAC click chemistry and electrospinning
(Elsevier, 2021)This study provides a straightforward method for preparing fibers of polypropylene possessing quaternary ammonium salt (FPP-QAS) by combining copper (I)-catalyzed azide-alkyne cycloaddition “click” reaction (CuAAC) and ... -
A Fluorescent Film Probe Based On Schiff Base For Determination of Fe3+ Ions
(2017)In this paper, fluorescent film probe based on Schiff base was easily prepared and it was used as fluorescence chemosensor for the detection of transition metal ions in aqueous medium. Fluorescence measurements were done ... -
Graft copolymers from commercial chlorinated polypropylene via Cu(0)-mediated atom transfer radical polymerization
(Wiley-Blackwell, 2016)Commercially available chlorinated polypropylene has been used as a macroinitiator for the Cu(0)-mediated atom transfer radical polymerization of methyl methacrylate and tert-butyl acrylate to obtain well-defined graft ... -
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 ... -
Layer-by-Layer Assembled, Amphiphilic and Antibacterial Hybrid Electrospun Mat Made from Polypropylene and Chitosan Fibers
(Springer, 2021)In this study, hybrid fiber mat (HFPP-CS) consisting of both chlorinated polypropylene and chitosan fibers (FPP-Cl and FCS) is obtained by assembling layer-by-layer for the first time using electrospinning process. ... -
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. ... -
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 ... -
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 ... -
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) ... -
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, ...