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  1. 721

    Understanding Investigational Perspective of Antioxidant and Antibacterial Properties of Rice by Intan Farahanah, Shariza Sahudin, Hannis Fadzillah Mohsin, Siti Alwani Ariffin, Liyana Dhamirah Aminuddin

    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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  2. 722
  3. 723

    Surface Functionalization of Graphene Oxide with Polymer Brushes for Improving Thermal Properties of the Polymer Matrix by Shuangshuang Wang, Houfang Chi, Lin Chen, Wei Li, Yuchao Li, Guang Li, Xiangcai Ge

    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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  4. 724

    Muon spectroscopy of a 12-phosphatetraphene with extremely efficient radical trapping properties by Shigekazu Ito, Kohei Yasuda, Keisuke Ishihara, Victoria L. Karner, Kenji M. Kojima, Iain McKenzie

    Published 2025-01-01
    “…This muoniated radical was produced by the diffusion-controlled regioselective addition of muonium (Mu = [µ+e–]) to the sp2-hybridized phosphorus atom. The assignment of the muoniated radical structure was confirmed by observing a resonance due to the I = 1/2 (31P) nucleus in a muon (avoided) level-crossing resonance (µLCR) spectrum. …”
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  5. 725

    Theoretical Study of C2H5 + NCO Reaction: Mechanism and Kinetics by Nan-Nan Wu, Shun-li OuYang, Liang Li

    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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  6. 726

    Kandungan Kadmium pada Lipstik Warna Coklat Gelap yang Terdaftar dan Tidak Terdaftar di BPOM yang Dijual di Pasar Raya Kota Padang by Titi Isnaini, Elmatris Elmatris, Roza Silvia

    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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  7. 727

    Effects of alloying elements on elastic properties of Al by first-principles calculations by Wang J., Du Y., Shang S.L., Liu Z.K., Li Y.

    Published 2014-01-01
    “…A supercell consisting of 31 Al atoms and one solute atom is used. A good agreement is obtained between calculated and available experimental data. …”
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  8. 728

    Recent Advances in Graphene‐Based Membranes with Nanochannels and Nanopores by Tongxi Lin, Xinyue Wen, Xiaojun Ren, Vanesa Quintano, Daria V. Andreeva, Kostya S. Novoselov, Rakesh Joshi

    Published 2025-01-01
    “…Graphene and its derivates, such as graphene oxide (GO) and reduced GO, are one‐atom‐thick, 2D materials that exhibit outstanding physical and chemical properties. …”
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  9. 729

    Solving Nonnative Combinatorial Optimization Problems Using Hybrid Quantum–Classical Algorithms by Jonathan Wurtz, Stefan H. Sack, Sheng-Tao Wang

    Published 2024-01-01
    “…These methods are demonstrated using a publicly available neutral-atom quantum computer on two simple problems of Max <inline-formula><tex-math notation="LaTeX">$k$</tex-math></inline-formula>-Cut and maximum independent set. …”
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  10. 730

    Dye-Sensitized Solar Cells Prepared with Mexican Pre-Hispanic Dyes by Mario Alberto Sánchez-García, Xim Bokhimi, Sergio Velázquez Martínez, Antonio Esteban Jiménez-González

    Published 2018-01-01
    “…Carmine is an organometallic dye with two molecules of carminic acid and one atom of aluminum in its structure; it is obtained by the interaction of the carminic acid from Nocheztli with aluminum salts. …”
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  11. 731

    Investigation on the Synthesis and Photocatalytic Property of Uranyl Complexes of the β-Diketonates Biscatecholamide Ligand by Qingchun Zhang, Bo Jin, Rufang Peng, Xiaofang Wang, Zhaotao Shi, Qiangqiang Liu, Shan Lei, Hua Liang

    Published 2017-01-01
    “…The analysis revealed that oxygen atom of β-diketonate did not bind to uranyl ion in complexes 1–3. …”
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  12. 732

    Incorporation of Capecitabine Into Extended Chain of N-Acylated Chitosan Carrier by Anita Marlina, Misni Misran, Witta Kartika Restu

    Published 2024-01-01
    “…X-ray photoelectron spectroscopy results show that there is no nitrogen atom in ChC18, which means that the acyl group is oriented inward and bound to the stearoyl group via van der Waals forces. …”
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  13. 733

    p‐Orbital Ferromagnetism Arising from Unconventional O− Ionic State in a New Semiconductor Sr2AlO4 with Insufficiently Bonded Oxygen by Xu‐Guang Zheng, Chao‐Nan Xu, Tomoki Uchiyama, Ichihiro Yamauchi, Tomasz Galica, Eiji Nishibori, Ying Chen

    Published 2025-01-01
    “…As a result, it loses its magnetic nature of a single atom, wherein two unpaired electrons exist in its outer 2p orbitals. …”
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  14. 734

    Analisis Kandungan Timbal pada Lipstik yang Terdaftar dan Tidak Terdaftar di Badan Pengawas Obat dan Makanan yang Dijual di Pasar Raya Kota Padang by Feby Febriatama, Endrinaldi Endrinaldi, Zelly Dia Rofinda

    Published 2018-12-01
    “…Instrumen penelitian ini adalah spektrofotometer serapan atom. Hasil studi menunjukkan 20 lipstik yang terdaftar dan 13 lipstik yang tidak terdaftar di BPOM mengandung timbal, namun masih memenuhi syarat yang telah ditentukan BPOM 2011. …”
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  15. 735

    The degradation mechanism of multi-resonance thermally activated delayed fluorescence materials by Byung Hak Jhun, Yerin Park, Hwang Suk Kim, Ji Hye Baek, Joonghyuk Kim, Eunji Lee, Hyejin Moon, Changjin Oh, Yongsik Jung, Seunghee Choi, Mu-Hyun Baik, Youngmin You

    Published 2025-01-01
    “…Comprehensive chemical analyses corroborate that the degradation byproducts originated from intramolecular cyclization of radical cation, followed by hydrogen atom transfer. The mechanism is further supported by enhanced stability observed in a deuterated MR-TADF emitter, attributed to a secondary kinetic isotope effect. …”
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  16. 736

    Integrated analysis of cellulose structure and properties using solid-state low-field H-NMR and photoacoustic spectroscopy by Levente Csóka, Worakan Csoka, Ella Tirronen, Ekaterina Nikolskaya, Yrjö Hiltunen, Bunsho Ohtani

    Published 2025-01-01
    “…Specifically, we employ low-field proton nuclear magnetic resonance (H-NMR) to delve into the diverse hydrogen atom types within the cellulose molecule. The low-field H-NMR technique allows us to discern these hydrogen atoms based on their distinct chemical shifts, providing valuable insights into the various functional groups present in cellulose. …”
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  17. 737

    Novel Derivatives of Phenylisoxazole-3/5-Carbaldehyde Semicarbazone: Synthesis, Characterization, and Computational Studies by Fernando Carrasco, Wilfredo Hernández, Oscar Chupayo, Rodolfo Pumachagua, Evgenia Spodine, Jackeline Mosquera, Olivio N. Castro, Jesus M. Rodilla, Celedonio M. Álvarez, Juan Z. Dávalos

    Published 2024-01-01
    “…The MEP descriptors indicate that the oxygen atom of the carbonyl group C=O is susceptible to electrophilic attack, while the hydrogen atoms of the amide and hydrazone fragments are sensitive to nucleophilic attack. …”
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  18. 738

    Investigation on the Structure and Electrochemical Properties of La-Ce-Mg-Al-Ni Hydrogen Storage Alloy by Yuqing Qiao, Jianyi Xi, Minshou Zhao, Guangjie Shao, Yongchun Luo, Limin Wang

    Published 2013-01-01
    “…EDS analyse shows that the content of Mg is 3.48% (atom) which coincide well with the designed composition of the electrode alloy. …”
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  19. 739

    Achieving a Near-Infrared Absorption by A−DA’D−A Type Isoindigo-Based Small Molecular Acceptors for Organic Photovoltaics by Hui Liu, Yu Wu, Dong-Nai Ye, Na Chen, Xu-Min Huang, Shi-Yong Liu

    Published 2025-01-01
    “…In this study, two A−DA’D−A type unfused ring acceptors (URAs), IDC8CP-IC and IDC6CP-IC, were designed and synthesized using cyclopentadithiophene (CPDT) and IID core units, each functionalized with different alkyl chains (2-hexyldecyl and 2-octyldodecyl), through an atom- and step-efficient direct C–H arylation (DACH) method. …”
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  20. 740

    Fluctuations Driven by Multicomponent Pickup Ion Distributions in the Outer Heliosheath by Ameneh Mousavi, Vadim Roytershteyn, Federico Fraternale, Nikolai Pogorelov

    Published 2025-01-01
    “…The stability of a realistic multicomponent pickup ion (PUI) velocity distribution derived from a global model of neutral atoms in the heliosphere, which treats hydrogen and helium atoms self-consistently and includes equations for electrons and helium ions, is investigated using linear instability analysis and hybrid simulations. …”
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