A5083140848- Advanced Polymer Synthesis and Characterization
- Bone Tissue Engineering Materials
- Analytical chemistry methods development
- Fuel Cells and Related Materials
- Analytical Chemistry and Chromatography
- Polymer Nanocomposites and Properties
- Synthesis and biological activity
- Advanced Cellulose Research Studies
- Dendrimers and Hyperbranched Polymers
- Thermal and Kinetic Analysis
- Inorganic and Organometallic Chemistry
- Photopolymerization techniques and applications
- Extraction and Separation Processes
- Electrochemical Analysis and Applications
- Polymer Science and PVC
- Adsorption, diffusion, and thermodynamic properties of materials
- Molecular Sensors and Ion Detection
- Polymer Surface Interaction Studies
- Antimicrobial agents and applications
- Titanium Alloys Microstructure and Properties
- Phenothiazines and Benzothiazines Synthesis and Activities
- Advances in Cucurbitaceae Research
- Polysaccharides and Plant Cell Walls
- Chemical Thermodynamics and Molecular Structure
- Free Radicals and Antioxidants
Fırat University
2005-2025
Abstract In this study, firstly chitin was reacted with chloracetyl chloride to synthesize the macroinitiator chitinchloroacetate (Ch.ClAc). Then, graft copolymers of methacrylamide (MAM), diacetone acrylamide (DAAM), N-(4-nitrophenyl)acrylamide (NPA), and 2-hydroxyethyl methacrylate (HEMA) monomers were synthesized by atom transfer radical polymerization (ATRP). All polymers characterized FTIR spectra elemental analysis. According analysis results, mole percent (y) macro initiator found be...
Abstract Styrene (Sty), methyl methacrylate (MMA), methacrylamide (MAm) and acrylomorpholine (AcM) were grafted onto powder cellulose by atom‐transfer radical polymerization. Cellulose chloroacetate (Cell‐ClAc), as a macro‐initiator, was first prepared the reaction of chloroacetyl chloride with primary alcoholic OH groups on cellulose. CuBr 1,2‐dipiperidinoethane used transition‐metal compound ligand, respectively. These reactions monitored FT‐IR weight increase in Cell‐ClAc. In case...
This study investigates the crystal structure, energy gap, band spectroscopy, thermal, and electrical properties of Pr3+-based hydroxyapatites (HAp) co-doped with Zn2+ Ag+ in varying concentrations. The synthesized samples, designated as 0.25Zn-0.25Pr-HAp, 0.50Zn-0.25Pr-HAp, 0.75Zn-0.25Pr-HAp, 0.25Ag-0.25Pr-HAp, 0.50Ag-0.25Pr-HAp, 0.75Ag-0.25Pr-HAp, were prepared using a wet chemical method. materials characterized by Fourier-transform infrared (FTIR) X-ray diffraction (XRD), differential...
In this study, for the first time in literature, a 2-(3-methoxyphenylamino)-2-oxoethyl acrylate (3MPAEA) molecule was synthesized two steps, and 2-chloro-N-(3-methoxyphenyl)acetamide (m-acetamide) obtained step. Experimental results were using FTIR,
In the research described here, to graft chitosan with atom transfer radical polymerization (ATRP) method, acetyl chloride was obtained as a macro-initiator by reacting chloracetyl chloride. This then grafted monomer [acrylamide (AM) or methacrylamide (MAM), diacetone acrylamide (DAAM)] in presence of 2,2'-bipyridine/CuCl catalyst system. Structure characterization all synthesized products performed help elemental analysis and IR techniques. Additionally, metal ions (Cu2+, Co2+, Ni2+, Cd2+)...
The antibacterial, antifungal, and antioxidant activities of 2-chloro-N-(4-methoxyphenyl)acetamide (p-acetamide) 2-(4-methoxyphenylamino)-2-oxoethyl methacrylate (MPAEMA) were investigated by in vitro experiments silico analyses. MPAEMA has an antibacterial effect only against Gram-positive Staphylococcus aureus. It was determined that this did not affect any other bacteria Candida glabrata yeast. On the hand, p-acetamide showed antimicrobial activity S. aureus ATCC 25923, C. 90030, Bacillus...
Abstract Poly(styrene‐ graft ‐ethyl methacrylate) copolymer was prepared by atom transfer radical polymerization (ATRP) with poly(styrene‐ co ‐ p ‐chloromethyl styrene)s in various compositions as macroinitiator the presence of CuCl/1,2‐dipiperidinoethane at 130 °C N , ‐dimethylformamide. Both macroinitiators and copolymers were characterized elemental analysis, IR, 1 H 13 C NMR, differential scanning calorimetry. 1,2‐Dipiperidinoethane an effective ligand CuCl for ATRP copolymerization. The...
An analytical method for the preconcentration of nickel (Ni) and lead (Pb) in water samples on polystyrene-graft-ethylmethacrylate copolymer resin has been developed. The determinations metal ions were performed by flame atomic absorption spectrometry. experimental parameters, such as solution pH, sample flow rate, type concentration eluent, amount resin, optimized recovery Ni Pb ions. Adsorbed eluted 6 mL 2 M HNO3. Under conditions, LOD was found to be 0.92 1.44 μg/L ions, respectively....
AbstractIn the present study, a solid phase extraction procedure has been presented for separation and preconcentration of aluminium (Al) lead (Pb) in various matrixes such as water, cola fruit juice samples. 4-[(3-amino-5-{[(2-hydroxyphenyl) methylidene] amino}-1H-pyrazol-4-yl) diazenyl] benzoic acid (AHPMAPDAB) was used ligand. AHPMAPDAB chelates Al Pb ions aqueous solutions were adsorbed on polystyrene-graft-ethyl methacrylate copolymer (Poly S15-g-EMA120). Various experimental analytical...
In this study, the specific retention volumes, Vg o, were determined for poly(styrene‐g‐ethly methacrylate) obtained from grafting of poly(styrene‐co‐p‐chloromethyl styrene) having a 54% (by mole) chlorine content with ethyl methacrylate and series nonsolvent as probe, five n‐alkans, alcohols carbon tetrachloride, aid inverse gas chromatography, in temperature range 333 to 463 K. Some thermodynamic properties, such sorption enthalpy, ΔHs, free energy, ΔGs, entropy, ΔSs, 373–403 K range,...
Abstract: Blends of poly(methyl methacrylate) (PMMA) and poly(2-methacrylamidopyridine) (PMAP) obtained from free radical polymerization were prepared by casting films CHCl3 solution, followed drying for a few days. The blends characterized differential scanning calorimetry Fourier transform infra-red spectroscopy. Single glass transitions indicate that the blend components are miscible. Thermogravimetric analysis shows thermal stabilities low compared to those homopolymer components. At...
Some new cellulosic materials having water‐and dye‐uptake capacity and being suitable for the sorption of metal ions were synthesized by grafting cellulose with amide monomers such as 4‐acryloylmorpholine, 2‐methacrylamidopyridine N‐phenylmethacrylamide. At first, methacrylate was prepared esterification primary ‐OH group methacryloyl chloride a 16.7% yield mole. The grafted into via free radical polymerization using α,α′‐azobisisobutyronitrile (AIBN) an initiator in acetonitrile. graft...
Abstract Poly[styrene‐ graft ‐(acryloylmorpholine‐ co ‐methyl methacrylate)] copolymers in various compositions, poly(styrene‐ ‐acryloylmorpholine), and methacrylate) were prepared by atom transfer radical polymerization with ‐ p ‐chloromethylstyrene) (62/38) as the macroinitiator presence of CuBr/1,2‐dipiperidinoethane at 130 °C N,N ‐dimethylformamide. The characterized elemental analysis, IR, 1 H 13 C NMR, differential scanning calorimetry. thermal stabilities investigated...
Ethanol and acetone extracts of Cucurbita pepo leaves were in vitro analyzed to determine the vitamin contents, antioxidant, anticancer, antimicrobial activity leaves. According HPLC analyses, contained slight amounts C, A, E. The analysis for antioxidant revealed that both ethanol exhibited high values against ABTS+•, OH•, DPPH• radicals. total phenols flavonoid assay extracts. MTT test cytotoxic toward human breast cancer cells (MCF-7). But no significant activities observed hepatocellular...
Poly (acryloylmorpholine -co- 2-hydroxyethyl methacrylate) were prepared by traditional free radical polymerization. Copolymerization with acryloylmorpholine(ACM) and methacrylate(HEMA) monomers carried out in tetrahydrofuran solution at 60 o C using 2,2'-azobisisobutyronitrile(AIBN) as initiator. The copolymers characterized FT-IR , 1 H 13 nuclear magnetic resonance (NMR). Monomer compositions of the established nitrogen results elemental analysis. reactivity ratios ACM(r ) HEMA(r 2...
α-Br-polystyrene (Br%7PS) and polystyrene p-acetyl chloride (Cl%5PS) were obtained by modification of on its main chain side groups using N-bromosuccinimide acetyl chloride, respectively. The graft copolymers prepared via atom transfer radical polymerization (ATRP) with Br%7PS Cl%5PS as the macro-initiators, methacrylamide (MA) monomer, 1,2-dipiperidinoethane ligand, CuBr a transition metal compound. Characterization reaction products was done Fourier transform infrared (FTIR) spectroscopy,...
In this study 4-phenyl-5-(2-thienyl)-2, 4-dihydro-3H-1,2,4-triazol-3-thion was synthesized using experimental method and later characterized spectroscopic methods. The titled molecule is then designed, optimized charaterized with theoretical first principle method. result compared the solvated polar non-polar solvent to see effect of their interaction changes that occurs in results.