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781
Impact of Molecular and Crystal Structure on the Melting Points in Halo-Substituted Phenyl-Quinazolinones
Published 2024-12-01“…Regarding the halogen atom type, the order of melting points is Cl ≈ Br > F > I for enantiopure and Br > I ≈ Cl > F for racemic compounds. …”
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782
Antioxidant Properties of Lapachol and Its Derivatives and Their Ability to Chelate Iron (II) Cation: DFT and QTAIM Studies
Published 2020-01-01“…In this latter tridentate coordination in gas phase, the topological analysis of complexes exhibits the fact that the electron density is concentrated between the O3 oxygen atom of the ligand attached to Fe2+ and this metal cation. …”
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783
Characteristics of the IBEX Ribbon and Their Implications for a Source Region Outside the Heliopause
Published 2025-01-01“…This paper presents a comprehensive exploration of the Interstellar Boundary Explorer energetic neutral atom (ENA) ribbon, focusing on its spatial and temporal variations over 14 yr. …”
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784
A DFT study of lithium intercalation and metallization on oxygen-vacancy containing TiO2(110)
Published 2025-03-01“…When N-lithium (N = 1, 2, 3) is considered in the defective system, the bonding order of Li atoms increases with the amount of adsorbed alkali metal atoms. …”
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785
Coordinated conformational changes in P450 decarboxylases enable hydrocarbons production from renewable feedstocks
Published 2025-01-01“…Combining X-ray crystallography, molecular dynamics simulations, and machine learning, we have identified intricate molecular rearrangements within the active site that enable the Cβ atom of the substrate to approach the heme iron, thereby promoting oleate decarboxylation. …”
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786
The Gas-Sensing Properties of Ag-/Au-Modified Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub> (T=O, F, OH) Monolayers for HCHO and C<sub>6</sub>H<sub>6</sub> Gases
Published 2025-01-01“…Based on density functional theory calculations, this study analyzed the gas-sensing performance of Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub> (T=O, F, OH) monolayers modified with precious metal atoms (Ag and Au) for HCHO and C<sub>6</sub>H<sub>6</sub> gas molecules. …”
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787
Revealing enhanced dilution effect of conjugated polymers in partially miscible blends
Published 2025-01-01“…In this work, we propose a cascade analysis by combining multiple fluorescence microscopic techniques and all‐atom molecular dynamics simulations to study the solid‐to‐solid dilution of poly[2‐methoxy‐5‐(2‐ethylhexyloxy)‐1,4‐phenylenevinylene] (MEH‐PPV) in MEH‐PPV/polystyrene (PS) blends and MEH‐PPV/poly(vinylcarbazole) (PVK) blends. …”
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788
<i>o</i>-Halogenation and -Alkoxylation of Phenylglycine Derivatives by Pd-Mediated C-H Functionalization: Scope and Limitations
Published 2025-01-01“…The reaction is general and tolerates a variety of functional groups (R<sub>1</sub> to R<sub>4</sub>) at the aryl ring, the Cα, and the N atom. On the other hand, the reaction of [Pd(μ-Cl)(C<sub>6</sub>H<sub>3</sub>R<sub>1</sub>C(R<sub>2</sub>)(R<sub>3</sub>)N(R<sub>4</sub>)<sub>2</sub>]<sub>2</sub> (<b>1</b>) with PhI(OAc)<sub>2</sub> in the presence of a variety of alcohols R<sub>5</sub>OH (<b>4</b>) gives the o-alkoxylated phenylglycines C<sub>6</sub>H<sub>3</sub>(OR<sub>5</sub>)R<sub>1</sub>C(R<sub>2</sub>)(R<sub>3</sub>)N(R<sub>4</sub>)<sub>2</sub> (<b>5</b>), also as a general process. …”
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789
SOLEDGE3X full vessel plasma boundary simulations of ITER non-active phase plasmas
Published 2025-01-01“…The erosion contributions from neutrals and ions are considered in each case, and the charge-exchange atoms fluxes and energy distributions are provided, highlighting the two atom populations (cold and charge-exchange).…”
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790
Theoretical study of the Sb-substitution effect on the optoelectronic properties of Cs2AgBiBr6 double perovskite
Published 2025-01-01“…We analyzed the structure of the double perovskite Cs2AgBiBr6 utilizing Density Functional Theory (DFT), adding different doping concentrations of the Sb atom (Cs2AgBi1-x SbxBr6, with x = 0.0625, 0.125, 0.1875). …”
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791
An Exceptionally Powerful, Radiatively Driven Ultrafast Outflow in the Rapidly Accreting AGN RE J1034+396
Published 2025-01-01“…Modelling of these data confirms the presence of the UFO and constrains its equivalent hydrogen column density, log N _H /(atom cm ^−2 ) = ${21.7}_{-0.2}^{+0.1}$ . The RGS data also reveal at least two warm absorber components with a modest outflow velocity ( $168{0}_{-50}^{+40}$ km s ^−1 ). …”
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792
Syntheses, structures and anticancer activities of CuII and ZnII complexes containing 1,1′-[(3-fluorophenyl)methylene]bis[3-(3-fluorophenyl)imidazo[1,5-a]pyridine]
Published 2025-01-01“…The results reveal mononuclear structures in which the central metal atoms are coordinated by two N atoms from the imidazole rings and two Cl ligands. …”
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793
Disrupting the network of co-evolving amino terminal domain residues relieves mitochondrial calcium uptake inhibition by MCUb
Published 2025-01-01“…Further, we conducted 1 μs all-atom molecular dynamics (MD) simulations in the presence and absence of Ca2+ and Mg2+ ions, not only finding increased MCU-NTD stability at high temperatures compared to MCUb-NTD but also discrete Ca2+-binding sites on the two domains. …”
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794
Fisiologi dan Gangguan Keseimbangan Natrium, Kalium dan Klorida serta Pemeriksaan Laboratorium
Published 2012-09-01“…Hipoterjadi<br />bila konsentrasi elektrolit tersebut dalam tubuh turun lebih dari beberapa miliekuivalen dibawah nilai normal<br />dan hiper- bila konsentrasinya meningkat diatas normal.Pemeriksaan laboratorium untuk menentukan kadar<br />natrium, kalium dan klorida adalah dengan metode elektroda ion selektif, spektrofotometer emisi nyala,<br />spektrofotometer atom serapan, spektrofotometri berdasarkan aktivasi enzim, pemeriksaan kadar klorida dengan<br />metode titrasi merkurimeter, dan pemeriksaan kadar klorida dengan metode titrasi kolorimetrik-amperometrik.…”
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795
Molecular structures and adsorption of dyes on bismuth oxychloride surfaces using density functional theory and Monte Carlo dynamic simulation
Published 2025-01-01“…Moreover, the calculated highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) energy levels of the dyes demonstrated that they have distinct electronic characteristics, with respective values of HOMO approximately −4.25, −5.70, and −5.53 eV respectively, whereas their corresponding LUMO levels were −4.25, −5.70, and −5.53 eV, respectively. Quantum theory of atoms in molecules analysis shows three critical points (atom, bond and ring) were observed in each dye. …”
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796
Septuple XBi2Te4 (X=Ge, Sn, Pb) intercalated MnBi2Te4 for realizing interlayer ferromagnetism and quantum anomalous hall effect
Published 2025-01-01“…Using first-principles calculations, we demonstrate that the p z orbital of the X atom mediates interactions between interlayer Mn atoms, enabling FM coupling. …”
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797
Tuning the selectivity of NH3 oxidation via cooperative electronic interactions between platinum and copper sites
Published 2025-01-01“…Here, we report a bi-metallic surficial catalyst (PtSCuO/Al2O3) with improved Pt atom efficiency that overcomes the limitations of current catalysts. …”
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798
Effect of hard segment content on the phase separation and properties of hydroxyl-terminated polybutadiene thermoplastic polyurethane
Published 2025-02-01“…A combination of analytical techniques was employed to elucidate the effect of hard segment content on phase separation. Additionally, all-atom molecular dynamics simulations were conducted to determine the number of hydrogen bonds. …”
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799
Isothermal section of the Ni-Mn-Sb ternary system at 773K
Published 2019-01-01“…However the five single phases in the Ni-Mn system and the two binary compounds MnSb and NiSb showed more or less homogeneity ranges formed by substitution of Mn and Sb for Ni atom. The Heusler compound μ (Ni2MnSb) has L21-type ordered structure with space group Fm-3m, a = 0.6017 nm. …”
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800