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541
Effective and selective removal of aromatic amines from water by Cu-treated chitosan/alumina nanocomposite
Published 2017-03-01“…The adsorbent had high selectivity for adsorption of aniline and dimethyl aniline in the presence of chloride, nitrate, sulfate, phosphate, and carbonate as natural waters common anions. The modified adsorbent exhibited good regeneration ability. …”
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542
Antioxidant and Antimicrobial Activity of Ophiurasaponin Extracted from Ophiopholis mirabilis
Published 2014-01-01“…The values of the IC50 of hydroxyl-radicals, superoxide anions, and peroxide were 25.54 mg/mL, 9.98 mg/mL, and 1.37 mg/mL, respectively. …”
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543
Secretory leukocyte protease inhibitor in punch biopsies from human colonic mucosa
Published 2001-01-01“…Free proteolytic activity, mainly pancreatic elastase, anionic trypsin and granulocytic elastase, has been demonstrated in faecal extracts from patients with ulcerative colitis. …”
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544
Chitosan/Silica Hybrid Nanogels by Inverse Nanoemulsion for Encapsulating Hydrophilic Substances
Published 2025-01-01“…Hydrogel nanocapsules are obtained through the ionic interaction of the cationic groups of chitosan with the anionic groups of sodium triphosphate (STP), which is used as a physical cross‐linker. …”
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545
Flunisolide Decreases Exhaled Nitric Oxide and Nitrotyrosine Levels in Asthmatic Children
Published 2006-01-01“…Exhaled nitric oxide (FeNO) has been reported to be elevated in the oxidative stress involved in asthmatic patients, and the reaction of nitric oxide (NO) with superoxide anions results in the formation of nitrotyrosine. …”
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546
Effect of Cl substitution on the microstructure, dielectric and optical properties of CaCu3Ti4O12 ceramics
Published 2025-01-01“…This study investigates the enhanced properties of CaCu3Ti4O12 (CCTO) ceramics by substituting oxygen anions with chlorine to form CaCu3Ti4O10Cl2 (CCTO-Cl2). …”
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547
Crystal structure of di-μ-acetato-κ4O:O′-bis{(acetato-κ2O,O′)tetraaqua[1-(pyridin-2-ylmethylidene-κN)-2-(pyridin-2-yl-κN)hydrazine-κN1]lanthanum(III)} dinitrate hemihydrate...
Published 2025-01-01“…In the crystal, extensive O—H...O hydrogen-bonding interactions involving the coordinated water molecules and the non-coordinating nitrate anions, as well as the oxygen atoms of the acetate groups, generate an overall three-dimensional supramolecular network.…”
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548
Crystal growth, structural phase transitions and optical gap evolution of FAPb(Br1-x Cl x )3 hybrid perovskites (FA: formamidinium ion, CH(NH2)2 +)
Published 2025-01-01“…Abstract Chemically tuned organic–inorganic hybrid halide perovskites based on bromide and chloride anions CH(NH2)2Pb(Br1−x Cl x )3 (CH(NH2)2 +: formamidinium ion, FA) have been crystallized and investigated by neutron powder diffraction (NPD), single crystal X-ray diffraction (SCXRD), scanning electron microscopy (SEM) and UV–vis spectroscopy. …”
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549
Hydrochemistry and Entropy-Based Groundwater Quality Assessment in the Suining Area, Southwestern China
Published 2021-01-01“…By the statistical analysis, the cations followed the concentration order as Ca2+> Na+> Mg2+> K+, while anions’ concentrations were HCO3− > SO42− > Cl− > NO3− > F−. …”
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550
Charge transfer emission between π- and 4f-orbitals in a trivalent europium complex
Published 2025-01-01“…The Eu(III) complex exhibits an eight-coordination structure, comprising three anionic nitrates and two neutral electron-donating ligands containing a carbazole unit. …”
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551
Wetting behaviour of mixed surfactants on the mild steel surface
Published 2025-01-01“…In this study, the investigation sought to examine the surface-wetting characteristics of mild steel utilizing a blend of the cationic surfactant cetylpyridinium chloride (CPC) and the anionic surfactant sodium dodecyl sulfate (SDS). The wetting behaviour of mild steel surface is quantified in terms of contact angle corresponding to H2SO4, mixed surfactant acid solutions, and methanol for three hours. …”
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552
Colorimetric identification of colorless acid vapors using a metal-organic framework-based sensor
Published 2025-01-01“…In this study, we propose an on-site monitorable acid vapor decoder, MOF-808-EDTA-Cu, integrating the robust MOF-808 with Cu-EDTA, functioning as a proton-triggered colorimetric decoder that translates the anionic components of corrosive acids into visible colors. …”
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553
Phototransformations of non-toxic antioxidants, the derivatives of 1,2-dihydroquinolines, in homogeneous and micellar solutions
Published 1999-01-01“…The same product is formed over the whole range of pH. For the anionic surfactant (SDS) in acidic and alkaline solutions, the apparent rate constant in the micellar solutions is lower than that in the aqueous (negative micellar catalysis). …”
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554
Physicochemical Properties of Bottom Sediments in Maruba Dam Reservoir, Machakos, Kenya
Published 2022-01-01“…The concentration of cations and anions in the bottom sediments was found to be quite high, with a mean value of 0.225 dS⋅m−1. …”
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555
Layered Double Hydroxides as Effective Adsorbents for U(VI) and Toxic Heavy Metals Removal from Aqueous Media
Published 2013-01-01“…[Zn4Al2(OH)12]·EDTA·nH2O is recommended for practical application as one of the most efficient and inexpensive synthetic adsorbents designed for recovery of both cationic and particularly important anionic forms of U(VI) and other heavy metals from aqueous media. …”
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556
Co(II) Complex of Mefloquine Hydrochloride: Synthesis, Antimicrobial Potential, Antimalaria and Toxicological Activities
Published 2012-01-01“…It also revealed that the ligand anions were covalently bonded to the complex. In-vivo evaluation of antimicrobial studies of the metal complex showed greater activities when compared to the free mefloquine.The complex was screened against malarial parasites (Plasmodium yoelii nigeriensis): It was evident from the results obtained that Co(II) mefloquine has highest clearance of about 80% parasitaemia reduction compared to the free mefloquine. …”
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557
Photoetching of Immobilized TiO2-ENR50-PVC Composite for Improved Photocatalytic Activity
Published 2012-01-01“…The presence of SO42−, NO3−, and Cl− anions was detected in the mineralized solution where the solution pH was reduced from 7 to 4.…”
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558
Recognizing Dew as an Indicator and an Improver of Near-Surface Air Quality
Published 2017-01-01“…Analyses included measuring total dissolved solids, total suspended particulates, PM2.5 and PM10 concentrations, major cations (NH4+, Na+, K+, Ca2+, and Mg2+), major anions (F−, Cl−, SO42-, and NO3-), and organic and elemental carbon. …”
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559
Determination of Traces of Pd(II) in Spiked Samples by Using 3,4-Dihydroxybenzaldehydeisonicotinol-hydrazone as a Chelating Agent with UV Visible Spectrophotometer
Published 2011-01-01“…The correlation coefficient and regression coefficient of the Pd(II)-3,4-DHBINH complex were 1.08 and 0.04 respectively. Major cations and anions did not show any interference. Anti-microbial activity of the Pd(II)-3,4-DHBINH has been studied. …”
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560
Assembly of Genetically Engineered Ionizable Protein Nanocage-based Nanozymes for Intracellular Superoxide Scavenging
Published 2025-01-01“…RNA-sequencing analysis highlight the crucial role of these nanozymes in modulating superoxide anions-, hydrogen peroxide- and mitochondrial functions-relevant genes in IR injured cardiac tissue. …”
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