Browsing Chemistry by Title

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  • 1D and 2D NMR spectroscopy for identification of carbamide-containing biologically active compounds 
    Bakibaev, A.A.; Panshina, S.Yu.; Ponomarenko, O.V.; Malkov, V.S.; Kotelnikov, O.A.; Tashenov, A.K. (Bulletin of the Karaganda University Chemistry Series, 2021)
    Urea (carbamide) is the main end product of amino acids' metabolism in mammals. Extensive research in the field of urea chemistry has contributed to the creation of many biologically active and other compounds based on ...
  • 4th Russian Economic Congress 
    Domnich, Yegor Leonidovich (Пространственная Экономика, 2021)
  • A Short Review on the N,N-Dimethylacrylamide-Based Hydrogels 
    Akhmetzhan, Ayatzhan; Myrzakhmetova, Nurbala; Amangeldi, Nurgul; Kuanyshova, Zhanar; Akimbayeva, Nazgul; Dosmaganbetova, Saule; Toktarbay, Zhexenbek; Longinos, Sotirios Nik. (Gels, 2021)
    Scientists have been encouraged to find different methods for removing harmful heavy metal ions and dyes from bodies of water. The adsorption technique offers promising outcomes for heavy metal ion removal and is simple ...
  • A Short Review on the N,N-Dimethylacrylamide-Based Hydrogels 
    Akhmetzhan, Ayatzhan; Myrzakhmetova, Nurbala; Amangeldi, Nurgul; Kuanyshova, Zhanar; Akimbayeva, Nazgul; Dosmaganbetova, Saule; Toktarbay, Zhexenbek; Longinos, Sotirios Nik. (Gels, 2021)
    Scientists have been encouraged to find different methods for removing harmful heavy metal ions and dyes from bodies of water. The adsorption technique offers promising outcomes for heavy metal ion removal and is simple ...
  • A Study on the Applicability of NiFe2O4 Nanoparticles as the Basis of Catalysts for the Purification of Aqueous Media from Pollutants 
    Kozlovskiy, Artem L.; Zagrebova, Anna S.; Abdinov, Rauan Sh.; Kenzhina, Inesh E.; Zdorovets, Maxim V. (Catalysts, 2021)
    The aim of this work is to evaluate the application of NiFe2O4 nanoparticles with spinel structures as the basis of catalysts for the purification of aqueous media from pollutants such as manganese and arsenic. The ...
  • Ab Initio Study on the Vibrational and Electronic Properties of Radiation-Induced Defects in Potassium Bromide 
    Platonenko, Alexander; Pankratov, Vladimir; Kotomin, Eugene A.; Dauletbekova, Alma; Popov, Anatoli I. (Crystals, 2024)
    The vibrational and electronic properties of several basic radiation defects in potassium bromide are computed at the quantum mechanical level using a periodic supercell approach based on hybrid functionals, an all-electron ...
  • Absorption of Water Vapor by Bambus[6]uril and a Density Functional Theory Study of Its Aqua Complexes 
    Turebayeva, Pana; Guslyakov, Alexey N.; Novikova, Svetlana A.; Khlebnikov, Andrei I.; Befus, Ekaterina A.; Meshcheryakov, Evgeniy P.; Bakibaev, Abdigali A.; Kusepova, Lyazat; Kassenova, Nazira; Sharipova, Sarzhan; Yerkassov, Rakhmetulla (Molecules, 2023)
    The absorption/desorption of water vapor by bambus[6]uril (Bu[6]) has been studied. According to kinetic experiments, the absorption capacity of Bu[6] is 4 moles of water per 1 mole of Bu[6] with the absorption duration ...
  • Adsorption isotherms and kinetics for Pb(II) ion removal from aqueous solutions with biogenic metal oxide nanoparticles 
    Mashentseva, Anastassiya A.; Seitzhapar, Nurzhigit; Barsbay, Murat; Aimanova, Nurgulim A.; Alimkhanova, Assel N.; Zheltov, Dmitriy A.; Zhumabayev, Alisher M.; Temirgaziev, Bakhtiyar S.; Almanova, Alimzhan A.; Sadyrbekov, Daniyar T. (RSC Advances, 2023)
    This study investigates the sorption removal of lead(II) ions using zinc oxide (ZnO) and copper(II) oxide (CuO) nanoparticles synthesized through a wet burning method with the aid of plant extract from Serratula coronata ...
  • Aggregation-induced emission of 5-(benzylidene)pyrimidine-2,4,6-triones 
    Mendigalieva, S.S.; Birimzhanova, D.A.; Irgibaeva, I.S.; Barashkov, N.N.; Sakhno, Y.E. (Bulletin of the University of Karaganda – Chemistry, 2020)
    5-(Benzylidene)pyrimidine-2,4,6-triones with different substituents on the phenyl rings: 5-(4’-dimethylaminobenzylidene) barbituric acid and 5-(4’-methoxybenzylidene) barbituric acid were synthesized, and their ...
  • Alkali-activated metallurgical slag as a sustainable adsorbent 
    Amerkhanova, Sh.K.; Uali, А.S.; Shlyapov, R.M.; Belgibayeva, D.S. (Bulletin of the Karaganda University Chemistry Series, 2021)
    This paper is devoted to obtaining a zeolite-containing sorbent based on metallurgical waste — slag. The synthesis of zeolite adsorbent from ash and slag was carried out by hydrochemical and thermal treatment. The initial ...
  • Alkaloid-Based Isoxazolylureas: Synthesis and Effect in Combination with Anticancer Drugs on C6 Rat Glioma Model Cells 
    Mukusheva, Gulim K.; Jalmakhanbetova, Roza I.; Shaibek, Altynay Zh.; Nurmaganbetova, Manshuk S.; Zhasymbekova, Aigerym R.; Nurkenov, Oralgazy A.; Akishina, Ekaterina A.; Kolesnik, Irina A.; Dikusar, Evgenij A.; Terpinskaya, Tatiana I.; Kulchitsky, Vladimir A.; Potkin, Vladimir I.; Pushkarchuk, Alexander L.; Lyakhov, Dmitry A.; Michels, Dominik L. (Molecules, 2024)
    Alkaloid-based urea derivatives were produced with high yield through the reaction of anabasine and cytisine with isoxazolylphenylcarbamates in boiling benzene. Their antitumor activity, in combination with the commonly ...
  • Application of UV-Vis Optical Spectroscopy and X-ray Diffraction Methods to Describe the Effect of Alpha-Emitting Radionuclides (Radon) When They Are Detected by Solid-State Film Detectors 
    Yerimbetova, Dana; Kozlovskiy, Artem; Stepanenko, Valeriy; Zhumadilov, Kassym (Polymers, 2022)
    This work aims to evaluate the application of optical and X-ray spectroscopy methods to determine the effect of alpha-emitting radionuclides on the properties of solid-state nuclear track detectors (SSNTD) based on ...
  • Assessing the Influence of Electrode Polarity on the Treatment of Poultry Slaughterhouse Wastewater 
    Meiramkulova, Kulyash; Bazarbayeva, Tursynkul; Orynbassar, Raigul; Tleukulov, Almas; Madina, Nabiollina; Mashan, Togzhan; Dariya, Akubayeva; Apendina, Ainagul; Nurmukhanbetova, Nurgul (Molecules, 2022-02)
    Electrochemical methods have been increasingly gaining popularity in the field of wastewater treatment. However, the performance of these methods can be highly affected by the polarity direction as determined by the ...
  • Boron and Gadolinium Loaded Fe3O4 Nanocarriers for Potential Application in Neutron Capture Therapy 
    Korolkov, Ilya V.; Zibert, Alexandr V.; Lissovskaya, Lana I.; Ludzik, K.; Anisovich, M.; Kozlovskiy, Artem L.; Shumskaya, A. E.; Vasilyeva, M.; Shlimas, Dmitriy I.; Jazd˙zewska, Monika; Marciniak, Beata; Kontek, Renata; Chudoba, Dorota; Zdorovets, Maxim V. (International Journal of Molecular Sciences, 2021)
    In this article, a novel method of simultaneous carborane- and gadolinium-containing compounds as efficient agents for neutron capture therapy (NCT) delivery via magnetic nanocarriers is presented. The presence of both ...
  • Characterization of Activated Carbon from Rice Husk for Enhanced Energy Storage Devices 
    Yerdauletov, Meir S.; Nazarov, Kuanysh; Mukhametuly, Bagdaulet; Yeleuov, Mukhtar A.; Daulbayev, Chingis; Abdulkarimova, Roza; Yskakov, Almas; Napolskiy, Filipp; Krivchenko, Victor (Molecules, 2023)
    The production of activated carbon (AC) from lignocellulosic biomass through chemical activation is gaining global attention due to its scalability, economic viability, and environmental advantages. Chemical activation ...
  • Characterization of iron oxide waste scales obtained by rolling mill steel industry 
     Kargin, J.; Valladares, L. De Los Santos ; Borja‑Castro, L. E. ;  Xize, Jiang; Mukhambetov, D. G. ; Konyukhov, Y. V. ; Moreno, N. O. ; Bustamante Dominguez, A. G. ; Barnes, C. H. W.  (Hyperfne Interactions, 2022-12)
    Every year, the steelmaking industry produces millions of tons of slags resulting in pollution to the environment. Among the waste, secondary metals and scales rich in iron oxides are also thrown away. There is a need ...
  • Characterization of steel billet scales generated during the continuous casting process in SIDERPERU steel plant 
    Borja‑Castro, L. E. ; Dominguez, A. Bustamante ; Valerio‑Cuadros, M. I. ; Valencia‑Bedregal, R. A. ; Cabrera‑Tinoco, H. A. ; Espinoza Suarez, S. M. ; Kargin, J. ; Moreno, N. O. ; Barnes, C. H. W. ;  Valladares, L. De Los Santos (Hyperfine Interactions, 2022)
    Tons of waste is produced during iron steel’s industrial production, creating environmental pollution. This work aims to characterize the steel scale formed on the billet surface during the last step of steel production ...
  • Comparative Characterization and Identification of Poly-3-hydroxybutyrate Producing Bacteria with Subsequent Optimization of Polymer Yield 
    Rysbek, Aidana; Ramankulov, Yerlan; Kurmanbayev, Askar; Richert, Agnieszka; Abeldenov, Sailau (Polymers, 2022)
    In this work, the strains Bacillus megaterium RAZ 3, Azotobacter chrocococcum Az 3, Bacillus araybhattay RA 5 were used as an effective producer of poly-3-hydroxybutyrate P(3HB). The purpose of the study was to isolate ...
  • Comparison of Sputter-deposited Single and Multilayer Electrolytes based on Gadolinia-doped Ceria and Yttriastabilized Zirconia for Solid Oxide Fuel Cells 
    Solovyev, Andrey A.; Rabotkin, Sergey V.; Kuterbekov, Kairat А.; Koketay, Temirgaly A.; Nurkenov, Serik А.; Opakhai, Serikzhan; Shipilova, Anna V.; Ionov, Igor V.; Eliseeva, Galina M. (International Journal of Electrochemical Science, 2020)
    Single and multilayer electrolytes for anode-supported solid-oxide fuel cells (SOFCs) have been prepared by reactive magnetron sputtering and their electrochemical properties have been investigated. Electrolyte layers ...
  • Continuous Sign Language Recognition and Its Translation into Intonation-Colored Speech 
    Amangeldy, Nurzada; Ukenova, Aru; Bekmanova, Gulmira; Razakhova, Bibigul; Milosz, Marek; Kudubayeva, Saule (Sensors, 2023)
    This article is devoted to solving the problem of converting sign language into a consistent text with intonation markup for subsequent voice synthesis of sign phrases by speech with intonation. The paper proposes an ...

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