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521
Schiff bases and their possible therapeutic applications: A review
Published 2025-01-01“…Schiff base (SB) represents a category of organic compounds in which a nitrogen atom with a double bond maintains its stereochemistry. …”
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522
Organotin Compound Derived from 3-Hydroxy-2-formylpyridine Semicarbazone: Synthesis, Crystal Structure, and Antiproliferative Activity
Published 2010-01-01“…Two carbon atoms complete the fivefold coordination at the tin(IV) center. …”
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523
First-Principles Calculation of Conductivity of Ce-C Codoped SnO2 Contacts
Published 2021-01-01“…From the charge density and population analysis, the number of free electrons of Ce atoms and C atoms is redistributed after codoping. …”
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524
Fine-tuning d-p hybridization in Ni-B x cocatalyst for enhanced photocatalytic H2 production
Published 2025-01-01“…X-ray absorption fine-structure spectroscopy and theoretical calculations reveal that increasing B-atom amount in the Ni-B x cocatalyst gradually strengthens the d-p orbital interaction between Ni3d and B2p , resulting in a consecutive d-band broadening and controllable d-band center on Ni active sites. …”
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525
Improving radiation tolerance with room temperature annealing of pre-existing defects
Published 2025-01-01“…The pristine and pre-annealed diodes were exposed to 11 MeV Au ^3+ ions at different fluences to induce damage levels of 0.2, 2, 10 and 20 displacement per atom (dpa). Post irradiation characterization showed up to 10 times improvement in radiation tolerance in the pre-annealed devices.…”
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526
Synthesis, Characterization and In Vitro Antibacterial Studies of Organotin(IV) Complexes with 2-Hydroxyacetophenone-2-methylphenylthiosemicarbazone (H2dampt)
Published 2012-01-01“…Spectroscopic data suggested that H2dampt (1) is coordinated to the tin(IV) atom through the thiolate-S, azomethine-N, and phenoxide-O atoms; the coordination number of tin is five. …”
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527
Mechanical characterization of austenitic stainless steel under high-level ion-irradiation using nanoindentation experiment and simulation
Published 2025-01-01“…The irradiation conditions involve a targeted dose of approximately 200 displacements per atom (dpa) at 500 °C and transmission electron microscopy is employed to quantify void parameters (diameter, number density, and swelling) in irradiated specimen. …”
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528
Stress-Driven Evolution on Mismatched Ca2Co2O5 Oxide Material: From Geometry to the Electronic States
Published 2021-01-01“…The geometrical structures, phase stabilities, electron energy band structures, electron density of states, and atom recombination together with the electron conduction behaviors of the sandwiched Ca2Co2O5 with external stress of 1 GPa are intensively studied by the density functional theory method. …”
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529
Nafion®-Containing Solid Lipid Nanoparticles as a Tool for Anticancer Pt Delivery: Preliminary Studies
Published 2017-01-01“…The protonation occurs selectively at nitrogen; hence protonated PTA maintains its ability to coordinate platinum via its phosphorus atom.…”
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530
Cu(II) and Ni(II) Complexes with New Tridentate NNS Thiosemicarbazones: Synthesis, Characterisation, DNA Interaction, and Antibacterial Activity
Published 2019-01-01“…The spectral data showed that the thiosemicarbazone behaves as an NNS tridentate ligand through the nitrogen atoms of the azomethine group and pyrazine ring and the sulphur atom of the thioamide group. …”
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531
Nuclear Industry in the Eyes of Russians: Trust and Its Determinants
Published 2024-12-01“…Russia is one of the oldest countries with a powerful nuclear plant system, but even here the public’s attitude to the “peaceful atom” is ambiguous. Socio-political radiophobia has accompanied the development of the nuclear industry since at least the Chernobyl accident, and sociological publications that would topicalize the mood of Russian citizens, their level of anxiety and trust in nuclear energy are still sparse. …”
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532
Multi-frequency amplitude-programmable metasurface for multi-channel electromagnetic controls
Published 2023-03-01“…A square-split ring meta-atom that can achieve stable single-frequency amplitude control and multi-frequency 1 bit amplitude-programmable features is described as a proof-of-concept. …”
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533
Adsorption removing various basic nitrogen compounds from model diesel over allochroic silica gel
Published 2018-12-01“…The N–Co bond between Co in allochroic silica gel and N atom in the basic nitrogen compounds molecule played a significant role. …”
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534
Physicochemical and Catalytic Properties of Vanadia/Titania Catalysts. III. Acidic Properties
Published 2001-11-01“…Besides reacting with Brönsted and Lewis acid sites, pyridine also underwent hydrogen bonding, with the hydrogen atom serving as a bridge between two electronegative nitrogen atoms.…”
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535
Catalytic Conversion for Hydrogen Sulfide
Published 2021-07-01“…The results confirmed that the transition metal ions successfully replaced the Mo atom. H7PMo11CoO39 showed that the outstanding desulfurization capacity and the H2S removal efficiency can reach more than 90% for 3 h. …”
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536
Understanding Investigational Perspective of Antioxidant and Antibacterial Properties of Rice
Published 2025-01-01“…It focuses on commonly used antioxidant assays, such as the 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity assay, which encompasses both single electron transfer and hydrogen atom transfer mechanisms. Other antioxidant assays are also discussed, alongside methods used to evaluate antibacterial properties, including disc diffusion, well diffusion, broth or agar dilution, and advanced techniques such as flow cytofluorometric and bioluminescent assays. …”
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537
Antibacterial, Cytotoxic Studies and Characterization of Some Newly Synthesized Symmetrical N3,N3′-Bis(disubstituted)isophthalyl-bis(thioureas) and Their Cu(II) and Ni(II) Complexe...
Published 2013-01-01“…The ligands are coordinated to metal atom in a bidentate pattern producing a neutral complex of the type [ML]2. …”
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538
Surface Functionalization of Graphene Oxide with Polymer Brushes for Improving Thermal Properties of the Polymer Matrix
Published 2021-01-01“…The hybrid materials were prepared by coating graphene oxide (GO) with polydopamine (PDA) as a reactive underlayer and reducing agent, subsequently, surface-initiated polymerization of monomers (methyl methacrylate, styrene) based on the activators regenerated electron transfer atom transfer radical polymerization (ARGET-ATRP) technique. …”
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539
Theoretical Study of C2H5 + NCO Reaction: Mechanism and Kinetics
Published 2018-01-01“…The calculated results show that both the N and O atoms of the NCO radical can attack the C atom of C2H5 via a barrierless addition mechanism to form two energy-rich intermediates IM1 C2H5NCO (89.1 kcal/mol) and IM2 C2H5OCN (64.7 kcal/mol) on the singlet PES. …”
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540
Kandungan Kadmium pada Lipstik Warna Coklat Gelap yang Terdaftar dan Tidak Terdaftar di BPOM yang Dijual di Pasar Raya Kota Padang
Published 2019-01-01“…Instrument yang digunakan adalah Spektrofotometri Serapan Atom. Hasil penelitian menunjukkan bahwa 15 lipstik yang terdaftar dan 13 lipstik yang tidak terdaftar di Badan Pengawasan Obat dan Makana (BPOM) didapatkan semua sampel mengandung cadmium namun masih memenuhi syarat yang telah ditetapkan Badan Pengawasan Obat dan Makana (BPOM) 2011. …”
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