Chemical Papers
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Synthesis, characterization, and ethylene oligomerization of three novel dendritic nickel catalysts
Chemical Papers - Tập 71 - Trang 895-904 - 2017
Three dendritic nickel complexes C1–C3 were synthesized from three poly(amido
amine) dendrimers, salicylic aldehyde and nickel chloride hexahydrate via Schiff
base condensation reaction and coordination reaction. The structures of the
dendritic ligands and nickel complexes were characterized by FT-IR, UV, 1H NMR,
ESI–MS, and elemental analysis. When activated with aluminum co-catalysts, three
comp...
Mass transfer examination in electrodialysis using limiting current measurements
Chemical Papers - Tập 69 - Trang 553-559 - 2017
The impact of electrodialysis module characteristics on mass transfer was
examined using the limiting current method. The current-voltage curves of
different electrodialysis modules were measured and limiting currents were
determined using the derivative method. The mass transfer coefficients were
calculated and the parameters of their dependence on linear flow velocity were
estimated. From these ...
Multigram-scale synthesis of GSK 2,256,294, an inhibitor of soluble epoxide hydrolase in clinical evaluation
Chemical Papers - - 2022
Alternative two-step route to khellactone analogues using silica tungstic acid and sodium hydrogen phosphate
Chemical Papers - Tập 67 - Trang 1474-1478 - 2013
A series of coumarins was synthesised via the silica tungstic acid-catalysed
Pechmann reaction; some of these were employed for known three-component
reactions with aromatic aldehydes and malononitrile in the presence of sodium
hydrogen phosphate (Na2HPO4) as a basic catalyst, affording a variety of
potentially anti-HIV active khellactone analogues.
Thermally stable oligomer—Metal complexes based on oligo-ortho-aminophenol and oligophenylazomethinephenol
Chemical Papers - Tập 60 - Trang 306-310 - 2006
The oligo-ortho-aminophenol was synthesized by the oxidative polycondensation of
ortho-aminophenol with air oxygen. The oligophenylazomethinephenol was
synthesized by the condensation of aniline with oligosalicylaldehyde. Metal
complexes of these oligomers with Cu(II), Co(II), Zn(II), and Ni(II) were
synthesized and characterized. Based on the results of thermogravimetric
analysis, synthesized oli...
Low-cost composite electrode consisting of graphite, colloidal graphite and montmorillonite with enhanced electrochemical performance for general electroanalytical techniques and device fabrication
Chemical Papers - Tập 78 - Trang 633-643 - 2023
Further advancement of the graphite–clay composite electrodes is an essential
necessity, which improves performance, resulting in a better alternative for
commercial electrodes. In this respect, a novel composite electrode is
fabricated using graphite, colloidal graphite and montmorillonite clay
(GCGMMTCE), exhibiting ideal electrode behavior, which results in an improved
electrochemical performan...
Aluminium powder as a reactive template for preparation of carbon flakes from CCl4
Chemical Papers - Tập 74 - Trang 4599-4607 - 2020
This work presents a simple procedure for the preparation of 2D carbon flakes by
a catalyst-free redox reaction in the range of 400–600 °C at atmospheric
pressure. Tetrachloromethane (CCl4) was reduced by aluminium flakes (Al), which
also serve as a template for carbon flakes, for either 60 min or 120 min.
Gaseous aluminium chloride (AlCl3) was released from the synthesis. According to
BET analysi...
Investigating the chemical and physical aspects: optical and electrical properties of TiO2, TiO2: Fe, and Fe/ TiO2 (111) through DFT analysis
Chemical Papers - - 2023
The development of a thin film titanium dioxide (TiO2) depends on an
understanding of complex electronic structure and charge transport properties.
The utilization of simulation studies will help us understand the complicated
system at the atomic level. Here, utilizing Hubbard's modified first-principles
density functional theory (DFT + U), a theoretically created thin film TiO2
(111) interface mo...
Metabolomic approach to Alzheimer’s disease diagnosis based on mass spectrometry
Chemical Papers - Tập 66 - Trang 829-835 - 2012
Alzheimer’s disease is the most common neurodegenerative disease, but there is
still no cure and early diagnosis remains very difficult. For this reason, the
discovery of new biomarkers is of great importance. The application of
metabolomics is emerging in this field, based on the use of mass spectrometry as
a technique of analysis. In this work, blood serum samples (from Alzheimer’s
disease patie...
Experimental and computational studies of perillaldehyde isolated from Ammodaucus leucotrichus essential oil as a green corrosion inhibitor for mild steel in 1.0 M HCl
Chemical Papers - Tập 75 - Trang 1103-1114 - 2020
Corrosion inhibition of mild steel in 1 M HCl by perillaldehyde (PER), isolated
from the essential oil of Ammodaucus leucotrichus, was evaluated by the weight
loss (WL) analysis, potentiodynamic polarization (PDP) and electrochemical
impedance spectroscopy (EIS). Using WL measurements, the inhibitory effect was
increased with the increase in both the inhibitor concentration and the
temperature. Th...
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