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1781
Removal of Di (2-ethylhexyl) phthalate from groundwater by sodium persulfate activated by hollow micron zero-valent iron: Reaction mechanism and degradation path
Published 2025-01-01“…The degradation of DEHP by H-mZVI/PS system was carried out jointly by the surface reaction on the surface of H-mZVI particles and the homolytic reaction led by Fe2+ ions in the solution. Additionally, the contribution rate of free radicals in the degradation process of DEHP was in the order SO4-· > ·OH > 1O2. …”
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1782
Amorphization and siliconization of silicon carbide as a first wall material
Published 2025-01-01“…Coupled simulation of surface model and impurity transport demonstrates amorphization of crystalline SiC exposed to L-mode plasma due to the accumulation of displacement damages under ion irradiation. This affects the lifetime of SiC plasma facing components. …”
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1783
Effect of ionic strength and mixing ratio on complex coacervation of soy protein isolate/Flammulina velutipes polysaccharide
Published 2023-01-01“…The concentration of NaCl ions increased the content of α-helix. With the increase of FVP, the critical pH values decreased and the content of β-sheet increased through electrostatic interaction. …”
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1784
A hammerhead ribozyme selects mechanically stable conformations for catalysis against viral RNA
Published 2025-02-01“…We identify a conformational set containing five mechanical conformers of the mini ribozyme, where magnesium ions select the active one. Our results are supported by molecular dynamics simulations. …”
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1785
Impact of geochemical reactivity on desulphation requirements in a sandstone reservoir containing carbonate and sulphate minerals
Published 2025-01-01“…The results shows that SO42-, Mg2+, HCO3− and Ca2+ are the major ions that have a very significant effect on the system, and therefore impact on precipitation (4.7E-06gmole) and dissolution (-4E-06gmole) of calcite, barite and the magnesium rich carbonate mineral. …”
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1786
Leveraging Interfacial Electric Field for Smart Modulation of Electrode Surface in Nitrate to Ammonia Conversion
Published 2025-01-01“…Abstract The efficiency of nitrate reduction reaction (NO3RR) at low nitrate concentration is predominantly hindered by the poor affinity of nitrate ions and competitive hydrogen evolution reaction (HER), particularly in neutral and acidic media. …”
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1787
Atmospheric Corrosion, Antibacterial Properties, and Toxicity of Silver Nanoparticles Synthesized by Two Different Routes
Published 2020-01-01“…The most common silver corrosion process occurs by the interaction of AgNPs with sulfur species (H2S) present in the atmospheric air, forming a corrosion layer of silver sulfide around the AgNPs, thus inhibiting the release of the ions responsible for the antimicrobial activity. …”
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1788
TAB2 deficiency induces dilated cardiomyopathy by promoting mitochondrial calcium overload in human iPSC-derived cardiomyocytes
Published 2025-02-01“…Furthermore, TAB2 knockout activated receptor-interacting protein kinase 1 (RIPK1), leading to an increase in mitochondrial calcium uniporter (MCU) expression, thereby augmenting the uptake of mitochondrial calcium ions. Finally, the application of the RIPK1 inhibitor Nec-1s prevents the progression of these phenotypes. …”
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1789
Temporospatial Variation, Chemical Composition, and Source Resolution of PM2.5 in the Southeastern Taiwan Island
Published 2022-12-01“…In terms of chemical composition of PM2.5, secondary inorganic aerosols (SIAs = NO3 −, SO42–, and NH4+) (56.7–67.2%) were the dominant component of water-soluble ions (WSIs) in PM2.5, while crustal elements (Mg, Al, Ca, Fe, and K) (44.0–61.2%) dominated the metallic contents in PM2.5. …”
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1790
Microbial Decontamination of Onion by Corona Discharge Air Plasma during Cold Storage
Published 2018-01-01“…Corona discharge air plasma (CDAP) is a nonthermal decontamination technology which is generating antimicrobial agents such as photons, electrons, positively and negatively charged ions, atoms, and free radicals. We investigated the effect of a corona discharge under atmospheric pressure on the sterilization of postharvest fungal pathogens on onion. …”
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1791
Production of subtilisin proteases in bacteria and yeast
Published 2021-03-01“…., thermal stability, general resistance to detergents and specif ic resistance to various oxidants, high activity in various temperature ranges, independence from metal ions, and stability in the absence of calcium. The vast majority of subtilisin proteases are expressed in producer strains belonging to different species of the genus Bacillus. …”
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1792
Interfacial Acid‐Like Microenvironment and Orbital Modulating Strategy toward Efficient Hydrogen Evolution in Neutral High‐Salinity Wastewater/Seawater
Published 2025-02-01“…It achieves nearly complete removal of contaminants like rhodamine B and heavy metal ions within a rapid 8–20 min, with an energy consumption of only 3.7 kWh Nm−3. …”
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1793
Regulation of the sintering trajectory of Ho,Pr:Y2O3 ceramics for 2.9 μm mid-infrared lasers by atmospheric sintering
Published 2025-01-01“…The codoping of Pr3+ as deactivating ions effectively depopulated the lower energy level 5I7 during the Ho3+:5I6 → 5I7 transition, thereby making the Ho,Pr:Y2O3 ceramics more conducive to promoting population inversion in the 2.9 μm laser wavelength range.…”
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1794
Optimized extraction and kinetic study of cholesterol oxidase from a newly isolated Escherichia fergusonii strain from local whey samples: insights through a combined experimental...
Published 2025-01-01“…However, other case studies of metal ions showed an unfavorable effect on enzymatic performance. …”
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1795
Electrokinetic in situ leaching of U from low-permeability uranium ore
Published 2025-02-01“…Under electrical stimulation, the leaching agent exhibited uniform penetration ability through combined electromigration and electroosmosis effects, significantly improving the directed migration of the target ions. Various characterization techniques, such as Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy-energy dispersive X-ray spectrometry (SEM-EDS), three-dimensional computed tomography (CT) pore scanning and Brunauer-Emmett-Teller (BET), showed that the electrokinetic-induced action overcame the preferential flow phenomena, promoted the dissolution of the target minerals and gangue rocks, and notably improved the pore structure to ultimately enhance the uranium leaching efficiency. …”
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1796
Luminescence Nanothermometry Based on Pr3+ : LaF3 Single Core and Pr3+ : LaF3/LaF3 Core/Shell Nanoparticles
Published 2019-01-01“…The formation of the NP shell led to increasing of effective luminescence lifetime τeff of the 3P0 state of Pr3+ ions for the core nanoplates, core/shell nanoplates, core nanospheres, and core/shell nanospheres the values of τeff were 2.3, 3.6, 3.2, and 4.7 μsec, respectively (at 300 K). …”
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1797
Adsorptive Removal of Copper by Using Surfactant Modified Laterite Soil
Published 2017-01-01“…Removal of copper ion (Cu2+) by using surfactant modified laterite (SML) was investigated in the present study. …”
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1798
Simultaneous Determination of Multiple Active Components from Bushen Pills and Application in a Pharmacokinetic Study in Rats
Published 2020-01-01“…The target fragment ions were m/z 525.3 ⟶ 449.5 for PF, 336.2 ⟶ 320.2 for BBR, and 180.1 ⟶ 163.1 for IS. …”
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1799
A New Nanocomposite for Inducing Demineralized Dentin Remineralization
Published 2025-02-01“…Guifei Ban,1,2,* Jindong Long,1,2,* Kaiqi Yan,1,2,* Qiurong Li,1,2 Xiaoman Huang,1,2 Xiaolang Wei,1,2 Fangfang Xie1,2 1College & Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, 530021, People’s Republic of China; 2Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, College of Stomatology, Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China; Guangxi Health Commission Key Laboratory of Prevention and Treatment for Oral Infectious Diseases, College of Stomatology, Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, 530021, People’s Republic of China*These authors contributed equally to this workCorrespondence: Fangfang Xie, Email xiedualfang@163.comObjective: This study aimed to investigate a method for promoting the remineralization of demineralized dentin collagen fibers, with the objective of enhancing the bonding strength and durability of dentin resin while reducing the incidence of secondary caries.Methods: A mineralized solution, PAMAM-COOH/ACMP-MDP ethanol solution, was prepared, consisting of the dendritic organic macromolecule PAMAM-COOH, magnesium ions, and methacryloyloxydecyl dihydrogen phosphate (MDP). …”
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1800
Estudo Comparativo dos Efeitos da Corrosão Acelerada em Concretos Convencionais e em Concretos com Agregados Reciclados
Published 2025-01-01“…O método de corrosão acelerada por imersão modificada foi utilizado para comparar a perda de massa no aço pela ação de íons cloreto. Enfim, a análise dos resultados obtidos demonstrou comportamentos mecânicos semelhantes para ambas as formulações, sendo os concretos de agregados reciclados menos suscetíveis à corrosão acelerada. …”
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