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  1. 641
  2. 642

    Structural study, optical properties, thermal stability, and biological activity of a non-centrosymmetric hybrid compound 3,4-Diaminopyridinium perchlorate (3,4-DAPP) by Soulayma Mtar, Sameh Sellami, Nassira Chniba-Boudjada, Mohamed Boujelbene

    Published 2025-03-01
    “…However, the supramolecular structure was built from perchlorate anions (ClO4)− and diaminopyridinum organic cations (C5H8N3)+ connected with hydrogen bonds to form a three-dimensional network. …”
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  3. 643

    Capacidad de carga de un pastizal altoandino para la conservación y manejo sostenible de la vicuña by Walter Terrel Payano, Humberto Valenzuela Calderón, Cesar Pantoja Aliaga

    Published 2020-10-01
    “…Los resultados indicaron: a) Área606,78 hectáreas; b) Población de vicuñas 1916; c) Composición florística, 10 familias compuesto por gramineae (40,00%), rosaceae (30,20%), astereaceae (15,29%), leguminaceae (4,71%), plantaginaceae (4,31%), cyperaceae (1,96%), juncaceae (1,57%),apiaceae (1,18%),cactaceae (0,39%), gentianaceae (0,39%); d) Condición del pastizal(Bueno);e) Capacidad de carga(2,77 vicuñas/ha/año); f) Análisis de suelo pH (4,47),materia orgánica(19,77%), textura (FrA); g) Análisis de aguapH (7,63),suma de cationes (1,80), suma de aniones (1,87);h) Análisis químico del pastizalproteína (9,66%),grasa (2,06),fibra cruda (21,32), fosforo (0,23), calcio (0,35). …”
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  4. 644

    Adsorptive Removal of Copper by Using Surfactant Modified Laterite Soil by Tien Duc Pham, Hoang Hiep Nguyen, Ngoc Viet Nguyen, Thanh Tu Vu, Thi Ngoc Mai Pham, Thi Hai Yen Doan, Manh Ha Nguyen, Thi Mai Viet Ngo

    Published 2017-01-01
    “…Surface modification of laterite by anionic surfactant sodium dodecyl sulfate (SDS) induced a significant increase of the removal efficiency of Cu2+. …”
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  5. 645

    The Great Vasyugan Mire of western Siberia: Hydrochemistry and greenhouse gas dynamics of peatland pools of the world’s largest mire by Sergey N. Vorobyev, Yuri Kolesnichenko, Ivan V. Krickov, Alexander E. Berezin, Sergey N. Kirpotin, Oleg S. Pokrovsky

    Published 2025-01-01
    “…In contrast, with increasing pool size, there was a decrease in DOC aromaticity and an increase in pH and concentration of labile elements (anions, alkaline and alkaline-earth metals). This was consistent with an increase in autochthonous production and degree of connection to groundwater reservoirs. …”
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  6. 646

    Investigation of the structure of CaO-Al2O3-SiO2 melts as a basis for the development of new agglomerated welding fluxes and industrial refractories by Sokol’skii V.E., Pruttskov D.V., Busko V.M., Kazimirov V.P., Roik O.S., Chyrkin A.D., Galinich V.I., Goncharov I.A.

    Published 2018-01-01
    “…It is assumed that the calcium ions coordinated aroundthese associates are surrounded by oxygen melt anions. Such a structure can be considered as a colloidal solution. …”
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  7. 647

    A Low-Cost Layered Double Hydroxide (LDH) Based Amperometric Sensor for the Detection of Isoproturon in Water Using Carbon Paste Modified Electrode by Herve Leclerc Tcheumi, Aude Peggy Kameni Wendji, Ignas Kenfack Tonle, Emmanuel Ngameni

    Published 2020-01-01
    “…Various physicochemical techniques such as FT-IR spectroscopy, X-ray diffraction, and thermal analysis were used to characterize this material. The anionic exchange capacity of NiAl-LDH on carbon paste modified electrode was investigated toward [Fe(CN)6]3- using cyclic voltammetry. …”
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  8. 648

    A New Perspective on Hydrogen Chloride Scavenging at High Temperatures for Reducing the Smoke Acidity of PVC in Fires—III: EN 60754-2 and the Species in Solution Affecting pH and C... by Iacopo Bassi, Claudia Bandinelli, Francesca Delchiaro, Gianluca Sarti

    Published 2025-01-01
    “…In this paper, different cable PVC compounds were tested carrying out EN 60754-2 at different temperatures and temperature regimes: measurements of pH and conductivity were compared with ions’ concentration determined by ion chromatography, according to ISO 10304-1 and ISO 14911 for anions and cations, and inductively coupled plasma–optical emission spectrometry, according to ISO 11885. …”
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  9. 649

    Innovative Use of Wood Ash for Fluoride Removal from Water: Comprehensive Experiments and Mechanism Insight by Jae-In Lee, Jin-Kyu Kang, Sanghyun Jeong, Chang-Gu Lee, Joon-Weon Choi, Seong-Jik Park

    Published 2024-12-01
    “…An optimal dosage of 6.67 g/L achieved a greater than 98% fluoride removal rate. Coexisting anions affected the fluoride adsorption capacity of WA, with the order of influence being PO<sub>4</sub><sup>3−</sup> > CO<sub>3</sub><sup>2−</sup> >> SO<sub>4</sub><sup>2−</sup> > NO<sub>3</sub><sup>−</sup> ≈ Cl<sup>−</sup>. …”
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  10. 650

    Synthesis, characterization and toxicity assessment of chlorantraniliprole nanoemulsion against Helicoverpa armigera by Geeta Devi, Lomash Kumar, Rahul Kumar Dhaka, Karuna Jain, Rahul Saini, Shubham Saini, Anil Jakhar, Sushil Ahlawat, Mehdi Rahimi

    Published 2025-02-01
    “…While traditional chemical pesticides are widely used for their immediate results and ease of application, nanoemulsions offer a promising alternative, paving the way for advanced, efficient pesticide formulations.The current research aimed to develop oil-in-water (O/W) chlorantraniliprole stable nanoemulsion using combinations of different solvents (butanol, dimethyl sulfoxide and toluene), tween- 80 (non-ionic surfactant) and sodium laurel sulfonate (anionic co-surfactant) to reduce the dose and increase toxicity of chlorantraniliprole as targeted pesticide. …”
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  11. 651

    Triggering Oxygen Redox Cycles in Nickel Ferrite by Octahedral Geometry Engineering for Enhancing Oxygen Evolution by Yang Peng, Xu Zhao, Yiqun Shao, Xin Yue, Zhuofeng Hu, Shaoming Huang

    Published 2025-02-01
    “…Herein, to trigger the LOM pathway while maintaining high stability, iron foam (IF)‐supported Ni0.75Fe2.25O4 (NiFeO) with geometrical defects of [NiO6] (nickel cation coordinated with six oxygen anions) units and higher ratio of Fe to Ni cations in octahedral sites (d‐NiFeHRO/IF) is prepared by ion‐exchanging with polar aprotic solvent followed by annealing. …”
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  12. 652

    New insights into the N-glycomes of Dictyostelium species by Alba Hykollari, Daniel Malzl, Chunsheng Jin, Carina Eschenbach, Kristína Kianičková, Iain B.H. Wilson, Katharina Paschinger

    Published 2025-01-01
    “…All three species have common modifications on their anionic N-glycans: while (methyl)phosphorylated residues are always associated with terminal mannose residues, the sulphation position differs. …”
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  13. 653
  14. 654

    Extracellular domain of TREM2 possess two distinct ligand recognition sites: Insights from machine-learning guided docking and all-atoms molecular dynamics simulations by Sarbani Mishra, Preety Sthutika Swain, Sanghamitra Pati, Budheswar Dehury

    Published 2025-01-01
    “…Besides the known binding site formed by complementarity-determining regions (CDR) 1 and CDR2 loops, which enables the binding of different anionic ligands, our study identifies the presence of second binding site formed by β-strands towards the C-terminal end. …”
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  15. 655

    Floral diversity and conservation status of vascular plants in arid mountainous areas by Sara Hassanen, Elsayeda Gamal Eldin, Wafaa Kamel, Mohamed Saad Zaghloul, Yasmin M. Hassan

    Published 2025-01-01
    “…Moisture content, organic matter, electrical conductivity, pH, cations, anions, and total carbonate were identified as the significant factors controlling distribution of plant clusters by detrended correspondence analysis. …”
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  16. 656

    Quantum chemical study of molecular properties of small branched-chain amino acids in water by Roman Boča, Žofia Rádiková, Juraj Štofko, Beata Vranovičová, Cyril Rajnák

    Published 2025-01-01
    “…B3LYP hybrid version of DFT was used for geometry optimization and a full vibrational analysis of neutral molecules, their cations and anions in the canonical and zwitterionic forms (6 forms for each species). …”
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  17. 657

    Biochemistry of the Thrombin-Like TLBpic and Its Purification from Bothrops pictus “Jergon de la Costa” (Reptilia: Viperidae) by Victor Ludgardo Álvarez Tohalino, Hugo Guillermo Jiménez Pacheco, Juan Raúl Jesús Zumaran Farfán, Pavel Kewin Delgado Sarmiento, Paulino Rodolfo Zegarra Panca

    Published 2019-01-01
    “…Within the simple substances, we have free amino acids, peptides, nucleotides, carbohydrates, lipids, and biogenic amines (organic molecules) as well as cations and anions (inorganic constituents). Of the ions, we can highlight calcium, which is an important cofactor of some proteolytic enzymes as well as phospholipases A2. …”
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  18. 658

    Synthesis of Mg-, Al- and Mg/Al-date palm fronds modified biochars: characterization and investigations on phosphorus adsorption characteristics by Jellali, Salah, Hadroug, Samar, Al-Wardy, Malik, Hamdi, Helmi,  Al-Sabahi, Jamal, Bekri, Imene, Al-Raeesi, Ahmed, Hamdi, Wissem,  Jeguirim, Mejdi

    Published 2024-11-01
    “…Batch P recovery assays showed that P recovery efficiency by the three studied biochars was influenced by the contact time, the initial aqueous pH, P concentration and also the presence of foreign anions, especially nitrates and chlorides. Moreover, owing to its attractive properties, the DPF-Mg/Al-B exhibited the highest P recovery capacity (14.1 mg·g–1) which is 1.3 and 1.7 higher than that of DPF-Mg-B and DPF-Al-B, respectively. …”
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  19. 659

    BPZ inhibits early mouse embryonic development by disrupting maternal-to-zygotic transition and mitochondrial function by Zhiming Ding, Huilei Chen, Huiru Cheng, Caiyun Wu, Hongzhen Ruan, Bingjing Zhu, Ping Zhou, Zuying Xu, Huifen Xiang

    Published 2025-01-01
    “…Consequently, BPZ-exposed embryos exhibit elevated levels of reactive oxygen species, superoxide anions, and oxidative DNA damage. Moreover, BPZ exposure is associated with an increase in γ-H2A.X expression. …”
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  20. 660

    CWPO mechanism for toxic dye degradation in the presence of Cu@FbHAp catalyst: DFT study, performance analysis, response surface methodology, regeneration, and cost estimation by Youssef Miyah, Mohammed Benjelloun, Fatiha Mejbar, Salma Ssouni, Mohamed El-Habacha, Soulaiman Iaich, Noureddine El Messaoudi, Marouane Zerrouq, Mohammed Souilah, Anissa Lahrichi, Farid Zerrouq

    Published 2025-01-01
    “…In this framework, x%Cu@FbHAp (copper-impregnated fishbone hydroxyapatite) catalyst was characterized by BET, XRD, pHpzc, FTIR, and SEM-EDX to be applied in the catalytic wet peroxide oxidation (CWPO) of the Brilliant Green (BG) cationic dye and the Methyl Orange (MeO) anionic dye. Contact of the x%Cu@FbHAp catalyst with hydrogen peroxide promotes free radicals responsible for oxidation rates of 91.5 % and 81.43 % for BG and MeO respectively under the following operating conditions: dye concentration (100 mg/L), catalyst dose (1 g/L), H2O2 concentration (0.049 M), copper content (1 %Cu@FbHAp), temperature (20 °C) and pH (6.8). …”
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