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3361
Neurotoxic Effect of Myricitrin in Copper-Induced Oxidative Stress Is Mediated by Increased Intracellular Ca<sup>2+</sup> Levels and ROS/p53/p38 Axis
Published 2025-01-01“…Although commonly appreciated for their anti-oxidative and neuroprotective properties, flavonoids can also exhibit pro-oxidative activity, potentially reducing cell survival, particularly in the presence of metal ions. Disrupted copper homeostasis is a known contributor to neuronal dysfunction through oxidative stress induction. …”
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3362
Sol-Gel Synthesis, X-Ray Diffraction Studies, and Electric Conductivity of Sodium Europium Silicate
Published 2013-01-01“…O(4) atoms not related to silicate ions are placed at the centers of Eu(2) triangles. …”
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3363
Potentiometric Studies on Transition Metal Complexes of Substituted Derivative of Coumarin-Part 1
Published 2009-01-01“…The formation constants of binary complexes of d10 metal ions Cu(II), Ni(II), Co(II) and Mn(II) with 3-[{3-(3’-chloro phenyl}-prop-2-enoyl]-4-hydroxy-6-methyl-2H-chromen-2-one have been studied by using Irving-Rossoti method at constant temperature 30±1 °C and ionic strength μ=0.1 M dM-3 was held constant using sodium nitrate as an electrolyte. …”
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3364
Photodegradation of lincomycin in aqueous solution
Published 2006-01-01“…The mineralization of the molecule led to the formation of sulfate, ammonium, and nitrate ions.…”
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3365
Synthesis by Reversed Phase Transfer Catalysis and Characterization of Naphthol AS-D Pigment
Published 2013-01-01“…This method consists in the transfer of the aryldiazonium cation 4-nitrobenzenediazonium from aqueous medium into the organic phase (nitrobenzene) in the form of a lipophilic ions pair by the catalyst used (perfluorooctyl potassium sulfonates). …”
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3366
Synthesis of Poly(hydroxamic Acid)-Poly(amidoxime) Chelating Ligands for Removal of Metals from Industrial Wastewater
Published 2011-01-01“…The binding property of metal ions was performed and maximum sorption capacity of the copper was 3.20 mmol/ g and the rate of exchange of some metals was faster, i.e. t½ ≈ 7 min (average). …”
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3367
Dielectric Properties of the System GdCo 1-xFexO3 Synthesized by Chemical Route (x = 0.10, 0.20)
Published 2006-01-01“…It is observed that dielectric constant increases with increasing Fe2+ ions concentration. The frequency dependence of dielectric constant in these materials indicates that space charge polarization contributes significantly to their observed dielectric parameters. …”
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3368
Structural, Optical and Electrochromic Properties of Nanocrystalline TiO2 Thin Films Prepared by Spin Coating
Published 2004-01-01“…The transmission of the blue colored films decreased and their absorption edge was less sharp and shifted to higher wavelengths as a result of the intercalation of Li+ ions.…”
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3369
Nitric Acid-treated Bentonite Clay: A Novel Oxidation Supported Reagent
Published 1990-09-01“…The reactive species is believed to be nitrate ions present in the interlamellar species, together with an interlamellar acidic aluminium species which is useful in maintaining the crystallinity of the acid-washed clay. …”
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3370
Abnormal Capacitance Increasing at Elevated Temperature in Tantalum Capacitors with PEDOT:PSS Electrodes
Published 2018-01-01“…Capacitance-voltage measurement supposed that residual ions in the PEDOT:PSS dispersion caused an accumulation of charges at the dielectric-cathode interface which contributed to an increase in the dielectric constant and resulted in the capacitance increasing at high temperature. …”
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3371
Electrodeposition of tin from EMI⋅BF4⋅Cl room temperature molten salts
Published 2003-01-01“…The electrochemistry of Sn(II) was investigated with cyclic voltammetry and chronoamperometry in the 1-ethyl-3-methylimidazolium tetrafluoroborate molten salt containing free chloride ions (EMI ⋅BF4 ⋅Cl) originated from the mixture of EMIC and NaBF4 (60:40 mol%). …”
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3372
Mechanistic Pathways in Cyanide-Mediated Benzoin Condensation: A Comprehensive Electron Localisation Function (ELF) and Catastrophe Theory Analysis of the Umpolung Reaction
Published 2025-01-01“…The study achieves a comprehensive understanding of the evolution of chemical bonds and non-bonding electron density in the reaction of benzaldehyde and cyanide ions. The results reveal that the reaction proceeds through five transition state structures, with the formation of Lapworth’s cyanohydrin being the rate-determining step. …”
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3373
High-quality 100% Ce3+:(Lu1−xYx)2SiO5 single crystals grown by the hydrothermal technique
Published 2024-01-01“…In contrast, crystals grown from melt by the standard Czochralski technique possess intrinsic defects and undesirable Ce ^4+ ions as charge compensators. The growth of large-size single crystals with improved scintillation properties at a low cost is envisaged.…”
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3374
Kinetics and Mechanism of Oxidation of Isoleucine by N-Bromophthalimide in Aqueous Perchloric Acid Medium
Published 2011-01-01“…A decrease in the dielectric constant of the medium increases the rate. Addition of halide ions or acrylonitrile has no effect on the kinetics. …”
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3375
Synthesis and Crystal Structure Characterization of Zinc (II) Tetronic Acid Complexes
Published 2010-01-01“…The synthesis and characterization of two new tetronic acid zinc (II) complexes of the empirical formulae [Zn(L–H)2(H2O)2] (1) and [Zn(L–H)2(H2O)(MeOH)]H2O (2) found within the same crystal are reported. The zinc ions bind through alkoxide and carbonyl groups of the ligand 3-methoxycarbonyl-5-phenyl tetronic acid (LH) as indicated by H NMR and X-ray crystallographic studies. …”
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3376
Elements for a social history of american social sciences: A chronicle
Published 2023-12-01Get full text
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3377
A questão do trabalho: análise conceitual de uma variável fundamental na reprodução social
Published 2005-01-01Get full text
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3378
Studying regenerated soybean lines for their useful agronomic and biochemical characteristics
Published 2024-07-01“…The effect of heavy metal ions can cause ionic stress in plants – the problem of significant interest among researchers. …”
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3379
Efficacy of malic and tartaric acid in mitigation of cadmium stress in Spinacia oleracea L. via modulations in physiological and biochemical attributes
Published 2025-01-01“…These supplements also prevented excessive accumulation of Cd metal ions as indicated by lowered Cd metal contents in MA and TA treated plants. …”
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3380
Transparent Celadon with Phase-Separated Structure: Study on the Technological Characteristics and Coloring Mechanism of Celadons from the Lieshan Kiln
Published 2025-01-01“…Glaze coloration was modulated by the interaction of Fe<sup>3+</sup> and Fe<sup>2+</sup> ions, and chemical coloration by Fe ions prevailed when phase-separated particles were minute enough to avoid Rayleigh or Mie scattering. …”
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