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02.National Laboratory Astana: Recent submissions

  • Myrzakhmetov, Bagdat; Yessenbayev, Zhandos; Makazhanov, Aibek (The IEEE 12th International Conference Application of Information and Communication Technologies, 2018-10)
    We address the problem of normalizing user generated content in a multilingual setting. Specifically, we target comment sections of popular Kazakhstani Internet news outlets, where comments almost always appear in Kazakh ...
  • Mukanova, Aliya; Nurpeissova, Arailym; Kim, Sung-Soo; Myronov, Maksym; Bakenov, Zhumabay (Chemistry Open, 2018)
    This work reports the preparation of a three-dimensional Si thin film negative electrode employing a porous Cu current collector. A previously reported copper etching procedure was modified to develop the porous structures ...
  • Peng, Huifen; Wang, Xiaoran; Zhao, Yan; Tan, Taizhe; Bakenov, Zhumabay; Zhang, Yongguang (Polymers, 2018-04)
    Rechargeable lithium/sulfur (Li/S) batteries have received quite significant attention over the years because of their high theoretical specific capacity (1672 mAh g􀀀1) and energy density (2600 mAh g􀀀1) which has led ...
  • Zhang, Yongguang; Bakenov, Zhumabay; Tan, Taizhe; Huang, Jin (Metals, 2018-06)
    Carbon encapsulated Fe2O3 nanoparticles (C@Fe2O3) were successfully synthesized via a facile and environmentally friendly hydrothermal method and prototyped in anode materials for sodium ion batteries (SIBs). High-resolution ...
  • Alimbetov, Dauren; Askarova, Sholpan; Umbayev, Bauyrzhan; Davis, Terence; Kipling, David (International Journal of Molecular Sciences, 2018-06)
    Chemotherapeutic drugs target a physiological differentiating feature of cancer cells as they tend to actively proliferate more than normal cells. They have well-known side-effects resulting from the death of highly ...
  • Zhao, Yan; Liu, Zhengjun; Sun, Liancheng; Zhang, Yongguang; Feng, Yuting; Wang, Xin; Kurmanbayeva, Indira; Bakenov, Zhumabay (Beilstein Journal of Nanotechnology, 2018-06)
    Nitrogen-doped carbon nanotubes coated with zinc oxide nanoparticles (ZnO@NCNT) were prepared via a sol–gel route as sulfur encapsulator for lithium/sulfur (Li/S) batteries. The electrochemical properties of the S/ZnO@NCNT ...
  • Tian, Yuan; Sun, Zhenghao; Zhang, Yongguang; Wang, Xin; Bakenov, Zhumabay; Yin, Fuxing (Nanomaterials, 2018-01)
    An efficient, industry-accepted spray drying method was used to synthesize microspherical sulfur/graphene oxide (S/GO) composites as cathode materials within lithium sulfur batteries. The as-designed wrapping of the ...
  • Toktarbaiuly, Olzat; Usov, Victor; Ó Coileáin, Cormac; Siewierska, Katarzyna; Krasnikov, Sergey; Norton, Emma; Bozhko, Sergey I.; Semenov, Valery N.; Chaika, Alexander N.; Murphy, Barry E.; Lübben, Olaf; Krzy˙zewski, Filip; Załuska-Kotur, Magdalena A.; Krasteva, Anna; Popova, Hristina; Tonchev, Vesselin; Shvets, Igor V. (Physical review B, 2018-01)
    We report the observation of bunching of monoatomic steps on vicinal W(110) surfaces induced by step-up or step-down currents across the steps. Measurements reveal that the size-scaling exponent γ , connecting the maximal ...
  • Mektepbayeva, Damel; Alibek, Kenneth; Atinbayeva, N.; Irving, S; Zhaisanbayeva, B; Mussurova, S; Mussakhan, S (Austin Journal of Cancer and Clinical Research, 2015-08)
    Melatonin (N-acetyl-5-methoxytryptamine, MLT) is a naturally occurring hormone secreted by the pineal gland. Clinical evidence suggests that MLT may have a possible role in the treatment of cancer, where MLT presents many ...
  • Alibek, Kenneth; Irving, Stephanie; Sautbayeva, Zarina; Kakpenova, Ainur; Bekmurzayeva, Aliya; Baiken, Yeldar; Imangali, Nurgul; Shaimerdenova, Madina; Mektepbayeva, Damel; Balabiyev, Arnat; Chinybayeva, Aizada (Infectious Agents and Cancer, 2014)
    The Bcl proteins play a critical role in apoptosis, as mutations in family members interfere with normal programmed cell death. Such events can cause cell transformation, potentially leading to cancer. Recent discoveries ...
  • Mu, Xiaodong; Mektepbayeva, Damel; Patel, Stuti; Mahjoub, Adel; Huard, Johnny; Weiss, Kurt (Sarcoma, 2015)
    Aldehyde dehydrogenase (ALDH) is a cancer stem cell marker. Retinoic acid has antitumor properties, including the induction of apoptosis and inhibition of proliferation. Retinal, the precursor of retinoic acid, can be ...
  • Mektepbayeva, Damel; Shaimerdenova, Madina; Karapina, Orynbassar; Alibek, Kenneth; Akilbekova, Dana (Infectious Agents and Cancer, 2017)
    Background: Recent studies have revealed the positive antiproliferative and cytotoxic effects of antiviral agents in cancer treatment. The real effect of adjuvant antiviral therapy is still controversial due to the lack ...
  • Kozhirbayev, Zhanibek; Yessenbayev, Zhandos; Makazhanov, Aibek (The IEEE 12th International Conference Application of Information and Communication Technologies, 2018-10)
    We present herein our work on language identification applied to comments left by the readers of online news sites popular in Kazakhstan. Such comments are typically written in one of the two languages spoken widely in the ...
  • Kaptagay, G.; Mastrikov, Yu.; Kotomin, E.; Sandibaeva, N.; Kopenbaeva, A.; Baitasheva, G. (The 6th International Conference on Nanomaterials and Advanced Energy Storage Systems. Institute of Batteries LLP, Nazarbayev University, and PI “National Laboratory Astana”., 2018-08-08)
    Calculations were performed using the DFT method as implemented in the computer code VASP 5.4[1]. Core electrons were substituted with the US potentials with the PAW method [2]. Exchange-correlation described by the PBE ...
  • Mukhamedshina, D.M.; Fedosimova, A. I.; Dmitrieva, E.A.; Lebedev, I. A.; Grushevskaya, E. A.; Ibraimova, S.A.; Mit, K.A.; Serikkanov, A.S. (The 6th International Conference on Nanomaterials and Advanced Energy Storage Systems. Institute of Batteries LLP, Nazarbayev University, and PI “National Laboratory Astana”., 2018-08-08)
    The electrical conductivity of tin dioxide is extremely sensitive to the state of the surface in the temperature range 300-800 K, at which oxidation-reduction reactions take place on its surface. Nanocrystalline films of ...
  • Ablayeva, K.; Abduakhytova, D; Lepikhin, M (The 6th International Conference on Nanomaterials and Advanced Energy Storage Systems. Institute of Batteries LLP, Nazarbayev University, and PI “National Laboratory Astana”., 2018-08-08)
    Recently, considerable efforts of specialists in the field of power sources are aimed at research on fully 3D microbatteries. The key advantage of a 3D microbattery is the higher surface area as compared to a planar film ...
  • Shomanov, Adai; Yessenbayev, Zhandos; Urazbaev, Arshat; Matkarimov, Bakhyt (The 6th International Conference on Nanomaterials and Advanced Energy Storage Systems. Institute of Batteries LLP, Nazarbayev University, and PI “National Laboratory Astana”., 2018-08-08)
    This paper studies mechanisms of nano-focusing and transport of energy of a light through a tip with a sub-wavelength aperture diameter for scanning near-field optical microscopy (NSOM). In particular, we considered the ...
  • Yermekova, A.; Tulebayeva, D. (The 6th International Conference on Nanomaterials and Advanced Energy Storage Systems. Institute of Batteries LLP, Nazarbayev University, and PI “National Laboratory Astana”., 2018-08-08)
    Magnetic nanoparticles, especial Fe3O4, are the most interesting particles among others because of their attractive properties and a wide range of application in various areas. But magnetic nanoparticles have huge surface ...
  • Shaikenova, Altynay; Beissenov, Renat; Muratov, Dauren (The 6th International Conference on Nanomaterials and Advanced Energy Storage Systems. Institute of Batteries LLP, Nazarbayev University, and PI “National Laboratory Astana”., 2018-08-08)
    The synthesis and characterization of WS2 single crystals grown by chemical vapor deposition (CVD) method thru sulfurization of tungsten oxide thin layer on quartz substrate was studied. Synthesis of WS2 was carried out ...
  • Seksembayev, Zhandos (The 6th International Conference on Nanomaterials and Advanced Energy Storage Systems. Institute of Batteries LLP, Nazarbayev University, and PI “National Laboratory Astana”., 2018-08-08)
    One of the problems of fusion devices is wall material right selection that depends on the research purposes. In various fusion devices the admixture of wall or shell material could present in fuel mixture affecting the ...