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Showing 61-80 of 10,000 results
  1. One-pot catalytic synthesis of urea derivatives from alkyl ammonium carbamates using low concentrations of CO2

    To reduce anthropogenic carbon dioxide (CO 2 ) emissions, it is desirable to develop reactions that can efficiently convert low concentrations of CO 2 ,...

    Hiroki Koizumi, Katsuhiko Takeuchi, ... Jun-Chul Choi in Communications Chemistry
    Article Open access 14 May 2021
  2. Thermal behavior of gamma-irradiated urea–formaldehyde composites based on the differently activated montmorillonite K10

    This work investigated the thermal characteristics of irradiated composite materials formulated on the urea–formaldehyde resin (UF) and differently...

    Suzana Samaržija-Jovanović, Vojislav Jovanović, ... Milena Marinović-Cincović in Journal of Thermal Analysis and Calorimetry
    Article 09 July 2022
  3. RISM-assisted analysis of role of alkali metal hydroxides in the solvation of cellulose in alkali/urea aqueous solutions

    The three-dimensional reference interaction site model theory with the Kovalenko–Hirata closure (3D-RISM–KH) combined with the Kirkwood–Buff integral...

    Eugene Huh, Ji-Hyun Yang, ... Byung ** Mhin in Cellulose
    Article 27 October 2021
  4. Novel quinazolines bearing 1,3,4-thiadiazole-aryl urea derivative as anticancer agents: design, synthesis, molecular docking, DFT and bioactivity evaluations

    A novel series of 1-(5-((6-nitroquinazoline-4-yl)thio)-1,3,4-thiadiazol-2-yl)-3-phenylurea derivatives 8 were designed and synthesized to evaluate...

    Sara Masoudinia, Marjaneh Samadizadeh, ... Alireza Foroumadi in BMC Chemistry
    Article Open access 12 February 2024
  5. Catalyst Design and Progresses for Urea Oxidation Electrolysis in Alkaline Media

    Urea, as a significant molecule in biology, chemistry and agriculture, is extensively present both in industrial production and daily life. However,...

    Jianan Li, Jian** Li, ... Xue**g Yang in Topics in Catalysis
    Article 25 May 2021
  6. Structural and Thermal Properties of Starch Plasticized with Glycerol/Urea Mixture

    The paper presents the results of research on the influence of used plasticizing system on the structural and thermal properties of thermoplastic...

    Magdalena Paluch, Justyna Ostrowska, ... Marcin Konkol in Journal of Polymers and the Environment
    Article Open access 13 July 2021
  7. Microencapsulated diuron herbicide: kinetic study of its release from a urea–formaldehyde matrix

    The production of slow-release systems for diuron aims to reduce some disadvantages of its traditional application, diminishing its associated...

    Laura M. Castro-Gonzalez, A. Iribarren, ... María I. Hernández in Journal of the Iranian Chemical Society
    Article 22 February 2022
  8. The assessment of boron nitride nanotubes and functionalized carbon nanotubes as containers for anticancer drug delivery of dacarbazine and effect of urea on adsorption process by molecular dynamics

    The adsorption mechanism of dacarbazine (DAC) onto outer surfaces of boron nitride nanotubes (BNNTs) and functionalized carbon nanotubes (FCNTs) with...

    Halimeh Mirsalari, Afsaneh Maleki, ... Azim Soltanabadi in Structural Chemistry
    Article 03 March 2022
  9. Copper complex immobilized on Fe3O4 nanoparticles: a novel and recoverable heterogenous catalyst for synthesis of heterocycles

    2,4,6-Triaryl 1,3,5-triazine and 2-arylbenzothiazole derivatives have high biological activity potentials that are present in many natural and...

    **feng Fu, Xuemei Yang, ... **wang Feng in Research on Chemical Intermediates
    Article 05 April 2024
  10. Inhibition of the urea-urease reaction by the components of the zeolite imidazole frameworks-8 and the formation of urease-zinc-imidazole hybrid compound

    In the past decade, much effort has been devoted to using chemical clock-type reactions in material design and driving the self-assembly of various...

    Norbert Német, Ylenia Miele, ... István Lagzi in Reaction Kinetics, Mechanisms and Catalysis
    Article Open access 07 January 2022
  11. Urea group-directed organocatalytic asymmetric versatile dihalogenation of alkenes and alkynes

    The textbook alkene halogenation reaction establishes straightforward access to vicinal dihaloalkanes. However, robust catalytic methods to perform...

    San Wu, Shao-Hua **ang, ... Bin Tan in Nature Catalysis
    Article 09 August 2021
  12. Electrooxidation of urea and creatinine on nickel foam-based electrocatalysts

    Electrooxidation of urea and creatinine is desirable for wastewater remediation and portable dialysis to remove the two solutes from aqueous waste...

    Kelly Carpenter, Eric M. Stuve in Journal of Applied Electrochemistry
    Article 17 March 2021
  13. Synthesis and X-ray Structural Study of Dioxalate Complexes of Uranyl and Plutonyl with Urea

    Abstract

    An X-ray diffraction study of crystals of two oxalate-containing uranyl complexes: (NH 4 ) 2 UO 2 (C 2 O 4 ) 2 ·Urea·H 2 O ( I ), Rb 2 UO 2 (C 2 O 4 ) 2 ·Urea·H 2 O ( II )...

    L. B. Serezhkina, M. S. Grigoriev, ... V. N. Serezhkin in Radiochemistry
    Article 01 June 2021
  14. Thermodynamic analysis of cellulose complex in NaOH–urea solution using reference interaction site model

    Abstract

    Thermodynamic analysis of the empirical data for the solvation of cellulose in aqueous NaOH/urea solution was performed in this study; this...

    Eugene Huh, Ji-Hyun Yang, ... Byung ** Mhin in Cellulose
    Article 26 May 2020
  15. Development of a defined medium for Corynebacterium glutamicum using urea as nitrogen source

    Corynebacterium glutamicum has been widely used for bulk and fine chemicals fermentation these years. In this study, we developed a defined medium...

    Peng Yang, Yanan Chen, An-dong Gong in 3 Biotech
    Article 10 August 2021
  16. Investigation of urea oxidation as a potential anode reaction during CO2 electrolysis

    The electrooxidation of urea was investigated on Ni 90 Fe 10 electrodeposited films as an alternative reaction to the oxygen evolution reaction (OER)...

    Rylan Clark, Abigail Moore, ... Erwan Bertin in Journal of Applied Electrochemistry
    Article 25 July 2021
  17. Electrodeposition of coatings from urea–choline chloride-based plating baths containing Ni(II) and Ce(III) chloride salts and electrocatalytic activity of electrodeposits towards the hydrogen evolution reaction

    An electrolyte based on the deep eutectic solvent reline (a mixture of choline chloride and urea) was used for electrodeposition of coatings...

    Vyacheslav S. Protsenko, Larysa M. Pavlenko, ... Felix I. Danilov in Journal of Solid State Electrochemistry
    Article 19 April 2023
  18. Nitroarenes as versatile building blocks for the synthesis of unsymmetrical urea derivatives and N-Arylmethyl-2-substituted benzimidazoles

    In this contribution, a fast and simple method for the synthesis of unsymmetrical urea derivatives and N-arylmethyl-2-substituted benzimidazoles was...

    Paula A. Rodríguez-Huerto, Diana Peña-Solórzano, Cristian Ochoa-Puentes in Chemical Papers
    Article 21 July 2021
  19. Direct measurement of surface adhesion between thin films of nanocellulose and urea–formaldehyde resin adhesives

    When applying an adhesive to wood, the chemical heterogeneity of the wood cell walls makes it difficult to understand the contribution they make to...

    Eko Setio Wibowo, Byung-Dae Park in Cellulose
    Article 21 July 2021
  20. A Complex Compound of Mechanochemically Modified Humic Acids and Fe(III) as a Base of a Geochemical Barrier

    Abstract

    A complex of mechanochemically modified humic acids with Fe(ІІІ) was prepared by coprecipitation at pH varied from 12 to 2. Fe(ІІІ) interacts...

    E. V. Linkevich, N. V. Yudina in Russian Journal of Applied Chemistry
    Article 01 October 2023
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