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Browsing Факультет естественных наук by Title

Browsing Факультет естественных наук 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 ...
  • A chirality-dependent action of vitamin C in suppressing Kirsten rat sarcoma mutant tumor growth by the oxidative combination: Rationale for cancer therapeutics 
    Wu, Xinggang; Park, Mikyung; Sarbassova, Dilara A.; Ying, Haoqiang; Lee, Min Gyu; Bhattacharya, Rajat; Ellis, Lee; Peterson, Christine B.; Hung, Mien-Chie; Lin, Hui-Kuan; Bersimbaev, Rakhmetkazhi I.; Song, Min Sup; Sarbassov, Dos D. (International Journal of Cancer, 2019)
    Conceived and designed experiments: Sarbassov DD; Performed the cell culture and mouse studies: Wu X; Supported the xenograft study: Park M, Song MS; Optimized the drug injections: Sarbassova DA; Wrote the manuscript: ...
  • A Novel Cu2O/ZnO@PET Composite Membrane for the Photocatalytic Degradation of Carbendazim 
    Altynbaeva, Liliya Sh.; Barsbay, Murat; Aimanova, Nurgulim A.; Jakupova, Zhanar Ye.; Nurpeisova, Dinara T.; Zdorovets, Maxim V.; Mashentseva, Anastassiya A. (Nanomaterials, 2022)
    The extremely high levels of water pollution caused by various industrial activities represent one of the most important environmental problems. Efficient techniques and advanced materials have been extensively developed ...
  • A PRACTICAL SOLUTION FOR IMPROVING SOIL BASES IN PROBLEMATIC ENGINEERING CONDITIONS 
    Tulebekova, Assel; Zhankina, Aizhan; Imambayeva, Raikhan; Makhiyev, Bekbolat; Khapin, Alexandr; Anop, Darya (International Journal of GEOMATE, 2023-08)
    Improving the quality and efficiency of construction on problematic soil conditions largely depends on the correct assessment of their properties, the choice of foundations, and structural and technological solutions. ...
  • A Real-Time Dynamic Gesture Variability Recognition Method Based on Convolutional Neural Networks 
    Amangeldy, Nurzada; Milosz, Marek; Kudubayeva, Saule; Kassymova, Akmaral; Kalakova, Gulsim; Zhetkenbay, Lena (Applied Sciences, 2023)
    Among the many problems in machine learning, the most critical ones involve improving the categorical response prediction rate based on extracted features. In spite of this, it is noted that most of the time from the ...
  • 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 ...
  • 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 ...
  • A Systematic Literature Review of Current Trends in Electronic Voting System Protection Using Modern Cryptography 
    Aidynov, Tolegen; Goranin, Nikolaj; Satybaldina, Dina; Nurusheva, Assel (Applied Sciences, 2024)
    Electronic voting, based on cryptographic protocols and blockchain technology, represents an advanced method for ensuring the security, transparency, and reliability of electoral processes. The scientific research presented ...
  • A-Site Cation Size Effect on Structure and Magnetic Properties of Sm(Eu,Gd)Cr0.2Mn0.2Fe0.2Co0.2Ni0.2O3 High-Entropy Solid Solutions 
    Vinnik, Denis A.; Zhivulin, Vladimir E.; Trofimov, Evgeny A.; Gudkova, Svetlana A.; Punda, Alexander Yu.; Valiulina, Azalia N.; Gavrilyak, Maksim; Zaitseva, Olga V.; Taskaev, Sergey V.; Khandaker, Mayeen Uddin; Alqahtani, Amal; Bradley, David A.; Sayyed, M. I.; Turchenko, Vitaliy A.; Trukhanov, Alex V.; Trukhanov, Sergei V. (Nanomaterials, 2022)
    Three high-entropy Sm(Eu,Gd)Cr0.2Mn0.2Fe0.2Co0.2Ni0.2O3 perovskite solid solutions were synthesized using the usual ceramic technology. The XRD investigation at room temperature established a single-phase perovskite ...
  • 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 ...
  • 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 ...
  • Acoustic Method of Quality Control of Two-Component Composite Materials 
    Saimanova, Zagira; Sukhinin, Sergey; Zhumadillayeva, Ainur; Mukhametzhanova, Aigul; Smagulova, Assemgul; Abildaeva, Gulnur (Applied Sciences, 2021)
    The features of using the acoustic method for accurately determining the concentration of components in two-component composite materials by measuring the speed of sound of long waves are described in this paper. ...
  • Activated Carbon Derived from Cucumber Peel for Use as a Supercapacitor Electrode Material 
    Nazhipkyzy, Meruyert; Kurmanbayeva, Gulim; Seitkazinova, Aigerim; Varol, Esin Apaydın; Li, Wanlu; Dinistanova, Balaussa; Issanbekova, Almagul; Mashan, Togzhan (Nanomaterials, 2024)
    Biowaste conversion into activated carbon is a sustainable and inexpensive approach that relieves the pressure on its disposal. Here, we prepared micro-mesoporous activated carbons (ACs) from cucumber peels through ...
  • 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 ...
  • 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 ...

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