Showing 1,321 - 1,340 results of 2,288 for search '"hydrogen"', query time: 0.05s Refine Results
  1. 1321

    Reduction Behavior of Olanzapine and Its Differential Pulse Voltammetric Determination in Human Urine and Pharmaceuticals by Sultan Yağmur

    Published 2020-12-01
    “…The number of transferred electrons was found equal to the number of the hydrogen ions taking part in the electrode reaction. …”
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  2. 1322

    A theoretical prediction for generating isolated attosecond pulse in water window utilizing instantaneous frequency change of two-color driving laser pulse by Masoumeh Dehghanian, Mohammad Sabaeian, Siamak Noorizadeh

    Published 2025-02-01
    “…Abstract This work reports on the theoretical generation of isolated soft-X ray 106 attosecond pulse within the water window spectral region, through interacting a chirped two-color femtosecond laser pulse with a hydrogen atom. To construct this pulse, a chirped 3.5 optical cycle (9.33 fs) laser pulse with a wavelength of 800 nm and an intensity of $$5\times {10}^{14}\frac{\text{W}}{{\text{cm}}^{2}}$$ is used as the main field. …”
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  3. 1323

    trans-Bis(quinoline-8-amine-κ2N,N′)bis(1,1,3,3-tetracyano-2-methoxypropenido-κN)iron(II) by Fatima Setifi, Zouaoui Setifi, Uwe Böhme, Mohammad Hadi Al-Douh, Achouak Satour

    Published 2024-12-01
    “…The crystal structure features hydrogen bonds parallel to the crystallographic b axis and parallel to (110).…”
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  4. 1324

    The edge of chaos is that where consciousness manifests itself through intermittent dynamics by Valeriy Sbitnev

    Published 2024-01-01
    “…At such temperatures, only heavy ions, such as hydrogen ions (protons), can pass robustly through the water medium of the brain. …”
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  5. 1325

    Theoretical Investigation on the Solubilization in Water of Functionalized Single-Wall Carbon Nanotubes by Michael Mananghaya, Emmanuel Rodulfo, Gil Nonato Santos, Al Rey Villagracia

    Published 2012-01-01
    “…The SWCNT model used in the study consists of a finite, (5, 0) zigzag nanotube segment containing 60 C atoms with hydrogen atoms added to the dangling bonds of the perimeter carbons. …”
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  6. 1326

    Pharmacognostic evaluation of Lasimorpha senegalensis schott leaves (Araceae) by Ginikachukwu MaryRose Okoh, Obinna Sabastin Onugwu, Obodike Christopher Ezugwu

    Published 2025-02-01
    “…The qualitative phytochemical test identified tannins, glycosides, alkaloids, terpenoids, phenols, and flavonoids, as well as trace amounts of steroids, saponins, and hydrogen cyanides. This study provided valuable insight into the pharmacognostic standardization of L. senegalensis leaves and can be used to create a monograph and prevent adulteration of this important leaf plant. …”
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  7. 1327

    The Redox Process in Red Blood Cells: Balancing Oxidants and Antioxidants by Dala N. Daraghmeh, Rafik Karaman

    Published 2024-12-01
    “…Oxyhemoglobin autoxidation is the primary source of endogenous RBC oxidant production, which produces superoxide radicals and hydrogen peroxide. Potent exogenous oxidants from other blood cells and the surrounding endothelium can also enter RBCs. …”
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  8. 1328

    Carbon Nanofoam by Pulsed Electric Arc Discharges by David Saucedo-Jimenez, Isaac Medina-Sanchez, Carlos Couder Castañeda

    Published 2018-01-01
    “…The synthesis was carried out in a controlled atmosphere at 200 torr of hydrogen pressure. The pulsed electric arc discharge was established between two graphite electrodes with 22.8 kVA of power and 150 A DC current; the cathode was relatively motionless and was made of a pure carbon rod of 6 mm diameter, and the spinner anode was a pure carbon disc spinning at 600 rpm; over the disc was an annular cavity where the new catalytic mixture of 93.84/2.56/1.43/0.69/1.48 of C/Ni/Fe/Co/S molar fraction was deposited in a geometrically fixed way by 8 catalytic mixture blocks and 8 empty spaces, and the discharge frequency was 80 Hz. …”
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  9. 1329

    Determination of Anthracycline Drug Residual in Cleaning Validation Swabs of Stainless-Steel Equipment after Production of Cytostatic Injections Using HPLC Analytical Method by Zuzana Slivová, Radka Opatřilová

    Published 2015-01-01
    “…The mobile phase consisted of lauryl hydrogen sulphate solution (3.7 g/L) : methanol : acetonitrile (54 : 16 : 30, v/v/v) with pH adjusted to 2.5 using phosphoric acid (85%). …”
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  10. 1330

    Quenching-Chemiluminescence Determination of Trace Amounts of l-Tyrosine Contained in Dietary Supplement by Chemiluminescence Reaction of an Iron-Phthalocyanine Complex by Takao Ohtomo, Shukuro Igarashi, Yoshitaka Takagai, Osamu Ohno

    Published 2012-01-01
    “…The chemiluminescence (CL) signal immediately appeared when a hydrogen peroxide solution was injected into an iron-phthalocyanine tetrasulfonic acid (Fe-PTS) aqueous solution. …”
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  11. 1331

    Chemical Feature-Based Molecular Modeling of Urotensin-II Receptor Antagonists: Generation of Predictive Pharmacophore Model for Early Drug Discovery by Anubhuti Pandey, Sarvesh Kumar Paliwal, Shailendra Kumar Paliwal

    Published 2014-01-01
    “…For a series of 35 piperazino-phthalimide and piperazino-isoindolinone based urotensin-II receptor (UT) antagonists, a thoroughly validated 3D pharmacophore model has been developed, consisting of four chemical features: one hydrogen bond acceptor lipid (HBA_L), one hydrophobe (HY), and two ring aromatic (RA). …”
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  12. 1332

    Preparation and Structural Properties of Free Films from Rapeseed Oil-Based Rigid Polyurethane-Montmorillonite Nanocomposites by Sergey Gaidukov, Ugis Cabulis, Karina Gromilova, Velta Tupureina, Agnese Grigalovica

    Published 2013-01-01
    “…The Fourier transform infrared spectral analysis (FTIR-ATR) is used to determine the urethane group concentration and hydrogen bonds formation in PU and PU/OMMT nanocomposites. …”
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  13. 1333

    Absorbed Pb2+ and Cd2+ Ions in Water by Cross-Linked Starch Xanthate by Kai Feng, Guohua Wen

    Published 2017-01-01
    “…A cross-linked starch xanthate was prepared by graft copolymerization of acrylamide and sodium acrylate onto starch xanthate using potassium persulfate and sodium hydrogen sulfite initiating system and N,N′-methylenebisacrylamide as a cross-linker. …”
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  14. 1334

    Waste-Tire-Derived Activated Carbon as Efficient Adsorbent of P-Nitrophenol from Wastewater by Chunhua Hu, Suliu Hu, Ping Fang, Zijun Tang, Xiang Xiao, Haiwen Wu

    Published 2022-01-01
    “…The adsorption process is in the form of chemisorption and is dominated by hydrogen bonding and π-πEDA formation, but the adsorption tends to be monolayer, and the adsorption behavior can be described by a proposed secondary model. …”
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  15. 1335

    Molecular Modeling and Spectroscopic Studies on the Interaction of Transresveratrol with Bovine Serum Albumin by Xiaoli Liu, Yonghui Shang, Xudong Ren, Hua Li

    Published 2013-01-01
    “…The thermodynamic parameters ΔH and ΔS are estimated to be −21.82 kJ mol−1 and +21.15 J mol−1 K−1, which indicates that the interaction of TRES with BSA is driven mainly by hydrophobic forces and there are also hydrogen bonds and electrostatic interactions. The competitive experiments suggest that the binding site of TRES to BSA is probably located on site II. …”
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  16. 1336

    Crystal structure and Hirshfeld surface analysis of the organic–inorganic hybrid compound tris(2-iodoethylammonium) hexaiodidobismuthate(III) by Olesia I. Kucheriv, Valeriia M. Ovdenko, Iryna S. Kuzevanova, Irina A. Golenya, Il'ya A. Gural'skiy

    Published 2025-02-01
    “…The octahedra do not interact with each other, and the supramolecular arrangement is ensured by an intricate network of N—H...I hydrogen bonds between cations and anions. In addition, a weak I...I interaction between an organic cation and the coordination octahedron is present in the crystal structure. …”
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  17. 1337

    Advancements in Nanorobots: Innovating Bladder Cancer Treatments, Diagnosis and Patient Outcomes by Zehra Hussain, Alyssa Di Fonzo, Hermela Merhawi, Mary Gallant, Robert Girlan, Muhammad Hasibul Hasan

    Published 2025-01-01
    “…Common materials are considered, focusing on size, shape, surface charge, and surface area. While both hydrogen peroxide and urease-driven nanorobots are considered potential fuels for MNRs, urease is regarded as a more biocompatible solution, making it a promising option for cancer treatment. …”
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  18. 1338

    Degradation of octylbenzene sulfonate photoinduced by iron(III) aquacomplexes: Evidence for the fragmentation of the alkyl chain by Nadra Debbache, Gilles Mailhot, Kamel Djebbar, Bernadette Lavedrine, Michèle Bolte

    Published 2005-01-01
    “…Among the possible sites on the chain, hydrogen on the carbon in α position with respect to the aromatic ring was the main point of attack with the formation of 4-acetylbenzene sulfonate and 4-carboxylicbenzene sulfonate.…”
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  19. 1339

    Study of the Adsorption Mechanism and the Structure of Adsorbed Layers of Polyelectrolytes at the Metal Oxide/Solution Interface by S. Chibowski, M. Wiśniewska

    Published 2001-06-01
    “…PAA and PAM macromolecules bond with the solid surface mainly via the –OH groups of the oxides, which may interact with the carboxy groups of polyelectrolytes through hydrogen bridging. A comparison of the change in values of the diffuse layer charge with the surface charge enabled the principal factors responsible for the changes in the zeta potential of the oxides, e.g. pH, polymer molecular weight and concentration of the polymer solutions, to be evaluated. …”
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  20. 1340

    Titanium Dioxide-Mediated Photcatalysed Degradation of Two Herbicide Derivatives Chloridazon and Metribuzin in Aqueous Suspensions by A. Khan, N. A. Mir, M. Faisal, M. Muneer

    Published 2012-01-01
    “…A detailed degradation kinetics was studied under different conditions such as types of TiO2 (anatase/anatase-rutile mixture), catalyst concentration, herbicide concentration, initial reaction pH, and in the presence of electron acceptors (hydrogen peroxide, ammonium persulphate, potassium persulphate) in addition to atmospheric oxygen. …”
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