Browsing Kimya Bölümü by Title
Now showing items 138-157 of 171
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Scale factor database for the vibration frequencies calculated in M06-2X, one of the DFT methods
(2021)Vibrational scale factors were determined for the M06-2X method. The calculated scale factors were supported statistically. The main objective is to determine the concordance between frequencies. Descriptive statistics ... -
Selective extraction and enrichment of 5-hydroymethylfurfural from honey, molasses, jam and vinegar samples prior to sensitive determination by micro-volume UV-vis spectrophotometry
(CADEMIC PRESS INC ELSEVIER SCIENCE525 B ST, STE 1900, SAN DIEGO, CA 92101-4495, 2021)In this study, a new method was developed for the extraction/enrichment of 5-hydroxymethylfurfural (5-HMF) from sample matrix prior to analysis. The method is based on the selective formation of the imine adduct and ionpair ... -
Selective Removal of Mercury(II) Using Hydrogels Prepared by Gamma Radiation
(LVIV POLYTECH NATL UNIV12, LVIV, LVIV OBLAST 79000, UKRAINE, 2022)To selectively remove mercury(II), 2-hydroxy-ethyl methacrylate (HM) and 2-hydroxyethyl methacrylate/acrylamide (HM/ACR) hydrogels were synthesized using radiation. These hydrogels were used in swelling, diffusion, and ... -
Self-adjoint extensions for a class of singular operators
(Turkish Journal of Mathematics, 2021)In this study, we consider the domains of the minimal and maximal operators generated of singular differential-expression-type Sturm–Liouville and obtain all self-adjoint extensions of the operator in terms of ... -
Smart Hydrogels: Preparation, Characterization, and Determination of Transition Points of Crosslinked N-Isopropyl Acrylamide/Acrylamide/Carboxylic Acids Polymers
(MDPI, 2021/9)Smart hydrogels (SH) were prepared by thermal free radical polymerization of N-isopropyl acrylamide (NIPAAm), acrylamide (AAm) with acrylic acid (A) or maleic acid (M), and N,N′-methylene bisacrylamide. Spectroscopic and ... -
Smart Hydrogels: Preparation, Characterization, and Determination of Transition Points of Crosslinked N-Isopropyl Acrylamide/Acrylamide/Carboxylic Acids Polymers
(MDPI, 2021/8/8)Smart hydrogels (SH) were prepared by thermal free radical polymerization of N-isopropyl acrylamide (NIPAAm), acrylamide (AAm) with acrylic acid (A) or maleic acid (M), and N,N '-methylene bisacrylamide. Spectroscopic and ... -
Spatio-temporal change of heavy metal pollution in Sivas City [Sivas kenti'nde agir metal kirliliginin yerel ve zamansal degisimi]
(2000)The anthropogenic heavy metal pollution of Sivas city was traced at seven stations which had the characteristic properties of the city, spatially and temporally, during the summer seasons, between 1992-1994. The heavy ... -
Spectroscopic (FT-IR, NMR, single crystal XRD) and DFT studies including FMO, Mulliken charges, and Hirshfeld surface analysis, molecular docking and ADME analyses of 2-amino-4 -fluorobenzophenone (FAB)
(2022)In this work, synthesis, and crystal structure of molecule 2-amino-4 -fluorobenzophenone (FAB) is con- firmed by using FT-IR, FT-Raman, 1 H and 13 C NMR chemical shifts, compared with calculated parameters using B3LYP/ ... -
Structural, spectroscopic and activity calculations on methanesulfonylhydrazone derivative chromium pentacarbonyl complexes
(Turkish Chemical Society, 2018)The thiophene-2-carboxyaldehyde methanesulfonylhydrazone (msh1), 2-acetylthiophene methanesulfonylhydrazone (msh2) and 2-acetyl-5-methylthiophene methanesulfonylhydrazone (msh3) ligands, a heteroatomic methanesulfonylhydrazone ... -
Synthesis and competitive 7 Li NMR studies of two morpholine-based ligands
(Elsevier, 2021)7 Li NMR spectroscopy was used to investigation the stability, stoichiometry and thermodynamic infor- mation of a Li + complex with one known, N1-(2-morpholinoethyl)-N1-((pyridine-2-yl)methyl)propane- 1,3-diamine (A 1 ) ... -
Synthesis of diaryl urea derivatives and evaluation of their antiproliferative activities in colon adenocarcinoma
(2022)Colon cancer is one of the leading causes of cancer-related deaths today. Serious research for ideal chemotherapy continues today. In this context, newly synthesized molecules have an essential role in cancer treatment ... -
Synthesis of polystyrene-polyricinoleic acid copolymer containing silver nano particles for dispersive solid phase microextraction of molybdenum in water and food samples
(Elsevier, 2022)Polystyrene-polyricinoleic acid copolymer containing silver nano particles (AgPSrici) was synthesized and used in separation of molybdenum from different aqueous and foodstuff samples during a dispersive-μ-solid phase ... -
Synthesis, docking studies, in vitro cytotoxicity evaluation and DNA damage mechanism of new tyrosine-based tripeptides
(Wiley, 2023)Peptides are one of the leading groups of compounds that have been the subject of a great deal of biological research and still continue to attract researchers' attention. In this study, a series of tripeptides based on ... -
Synthesis, in silico and investigation of anti-breast cancer activity of new diphenyl urea derivatives: Experimental and computational study
(2022)Cancer is a complex disease that requires multidisciplinary treatment. One of the most common cancers is breast cancer, and these cancers are usually estrogen receptor-positive. Today, chemotherapy, as well as surgery, has ... -
Synthesis, In Vitro Cytotoxicity, and DFT Studies of Novel 2- Amino Substituted Benzonaphthyridines as PDK1 Inhibitors
(2022)The present work emphasizes the utility of 2,4-dichloro-5- methylbenzo[h][1,6]naphthyridine as starting precursors. The reaction of 2,4-dichloro-5-methylbenzo[h][1,6]naphthyridine with a variety of aliphatic and aromatic ... -
Synthesis, nanostructuring and in silico studies of a new imine bond containing a macroheterocycle as a promising PBP-2a non-b-lactam inhibitor
(2023)This study is devoted to the synthesis of a 40-membered macroheterocycle with its further nanostructuring by magnetite nanoparticles. The mentioned macroheterocycle was synthesized by the [2+2] cyclocondensation of the ... -
Synthesized of a novel xanthate functionalized polypropylene as adsorbent for dispersive solid phase microextraction of caffeine using orbital shaker in mixed beverage matrices
(Elsevier, 2022)A newly synthesized xanthate functionalized chlorinated polypropylene (PP-Xa) was used as adsorbent for the orbital shaker based on dispersive solid phase microextraction (OS-DSPME) of caffein from several tea, coffee, ... -
Synthesized of a novel xanthate functionalized polypropylene as adsorbent for dispersive solid phase microextraction of caffeine using orbital shaker in mixed beverage matrices
(2022)A newly synthesized xanthate functionalized chlorinated polypropylene (PP-Xa) was used as adsorbent for the orbital shaker based on dispersive solid phase microextraction (OS-DSPME) of caffein from several tea, coffee, ... -
Synthesized of poly(vinyl benzyl dithiocarbonate-dimethyl amino ethyl methacrylate) block copolymer as adsorbent for the vortex-assisted dispersive solid phase microextraction of patulin from apple products and dried fruits
(Elsevier, 2022)A new and novel poly(vinyl benzyl dithiocarbonate-dimethyl amino ethyl methacrylate) block copolymer (Pvb-DMA-Xa) as adsorbent was synthesized for the vortex-assisted dispersive solid phase microextraction (VADSPME) of ... -
Synthesized of poly(vinyl benzyl dithiocarbonate-dimethyl amino ethyl methacrylate) block copolymer as adsorbent for the vortex-assisted dispersive solid phase microextraction of patulin from apple products and dried fruits
(2022)A new and novel poly(vinyl benzyl dithiocarbonate-dimethyl amino ethyl methacrylate) block copolymer (Pvb-DMA-Xa) as adsorbent was synthesized for the vortex-assisted dispersive solid phase microextraction (VA-DSPME) of ...