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Browsing 02.National Laboratory Astana by Title

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  • NMDA receptor-dependent metaplasticity by high-frequency magnetic stimulation 
    Tokay, Tursonjan; Kirschstein, Timo; Rohde, Marco; Zschorlich, Volker; Köhling, Rüdiger (Hindawi Publishing Corporation Neural Plasticity, 2014-10-28)
    High-frequency magnetic stimulation (HFMS) can elicit N-methyl-D-aspartate (NMDA) receptor-dependent long-termpotentiation (LTP) at Schaffer collateral-CA1 pyramidal cell synapses. Here, we investigated the priming effect ...
  • Novel and Pragmatic Approach to Design Silicon Alloy Anode by Equilibrium Method 
    Umirov, Nurzhan; Seo, Deok-Ho; Kim, Hyang-Yeon; Kim, Sung-Soo (The 8th International Conference on Nanomaterials and Advanced Energy Storage Systems; Nazarbayev University; National Laboratory Astana; Institute of Batteries, 2020-08)
    Silicon is honored as one of the most promising anode materials for Lithium-ion Batteries (LIBs) because of its high theoretical specific capacity (4200 mAh/g) compared to commercially available graphite anodes (370 mAh/g). ...
  • A Novel Cryo-controlled Growth Technique for High Performance Organometal Halide Perovskite Solar Cells 
    Ng, Annie; Ren, Zhiwei; Shen, Qian; Cheung, Sin Hang; Djurišić, Aleksandra B.; Su, Shu Kong; Li, Gang; Surya, Charles (The 6th International Conference on Nanomaterials and Advanced Energy Storage Systems, 2018-08-08)
    The recent trend of the high-performance perovskite solar cell (PSC) is based on multi-component perovskite materials. The reproducible perovskite growth techniques are crucial for acquiring mixed halide perovskite films ...
  • A novel CuS/graphene-coated separator for suppressing the shuttle effect of Lithium/sulfur batteries 
    Zhang, Yongguang; Sun, Liancheng; Zhao, Yan (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)
    We demonstrate a facile synthesis process to fabricate and deposit flower-like CuS/graphene nanocomposite on a multi-functional separator for efficient immobilization of polysulfides of lithium/sulfur (Li/S) batteries.
  • Novel Fluoride-Phosphate Based Cathode Materials for Metal-Ion Batteries 
    Fedotov, Stanislav; Abakumov, Artem; Antipov, Evgeny (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 metal-ion battery performance critically depends on the properties of a cathode material. Fluoride-phosphate based cathode materials have captured significant attention due to several advantages compared to conventional ...
  • Novel Li4Ti5O12/Si/c-PAN composite anode for Lithium-ion batteries 
    Nyssanbayev, Anuar; Sanbayeva, Ayana; Nurpeissova, Arailym; Rachid Babaa, Moulay; Bakenov, Zhumabay (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 work investigates a combined LTO/Si composite anode in a LIB with excellent electrochemical performance. The LTO/Si system is dispersed in cyclized polyacrylonitrile (c-PAN) polymer matrix, which is widely used as an ...
  • NOVEL ORGANIC MATERIALS FOR NON-AQUEOUS REDOX FLOW BATTERIES: IMPLEMENTATION OF TRIARYLAMINE AND PHENAZINE CORE STRUCTURES 
    Romadina, Elena; Akkuratov, Alexander V.; Stevenson, Keith J. (National Laboratory Astana, 2022-08)
    The rapid growth of the role of renewable energy sources dictates new requirements for the electrochemical energy storage devices. Among them, redox flow batteries (RFBs) are regarded as a promising technology, since ...
  • N-Type Doped Silicon Thin Film on a Porous Cu Current Collector as the Negative Electrode for Li-Ion Batteries 
    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 ...
  • Nuclear abnormalities in aspirated thyroid cells and chromosome aberrations in lymphocytes of residents near the Semipalatinsk Nuclear Test Site 
    Takeichi, Nobuo; Hoshi, Masaharu; Iida, Shozo; Tanaka, Kimio; Harada, Yuka; Zhumadilov, Zhaxybay; Chaizhunusova, Nailya; Apsalikov, Kazbek N.; Noso, Yoshihiro; Inaba, Toshiya; Tanaka, Kenichi; Endo, Satoru (Journal of Radiation Research. http://jrr.jstage.jst.go.jp, 2006)
    Chromosomal studies in peripheral lymphocytes from 63 residents near the Semipalatinsk nuclear test site, at ages of 52–63 years old, were performed in 2001–2002. A higher rate of chromosome aberrations was observed in the ...
  • NUMERICAL AND EXPERIMENTAL ANALYSIS OF THE 3D PRINTED MULTI-MATERIAL ANKLE-FOOT ORTHOSIS 
    Otepbergenov, T.; Smagulov, Zh.; Kurokawa, S.; Ali, Md. Hazrat (International conference "MODERN PERSPECTIVES FOR BIOMEDICAL SCIENCES: FROM BENCH TO BEDSIDE”; National Laboratory Astana, 2020)
    The application of 3D printing in medicine is the major area to concern in the nearest future. Namely, it is convenient to additively manufacture the Ankle-Foot Orthosis (AFO) by fused-deposition modeling 3D printer. AFO ...
  • Numerical modeling of a low partial pressure water source for vacuum process 
    Chikhray, Yevgen; Shestakov, Vladimir; Askerbekov, Saulet; Kenzhina, Inesh (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 presence of hard-to-remove water in the vacuum systems of research facilities or process lines is a problem in most cases. The ability of water to be easily absorbed and poorly desorbed by the surface of metal elements ...
  • Obtaining of Carbon Nanotubes in Reactor with Fluidized Bed of Catalyst 
    Smagulova, Gaukhar; Kaidar, Bayan; Vassilyeva, Natalia; Prikhodko, Nikolay (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 researching activity related to CNTs has grown most significantly over the past 10 years. Since 2006, world capacities of production of CNTs have increased 10-fold. The annual number of scientific publications on CNT ...
  • Omics technology in medicine – metabolomics analysis of plasma in different diseases 
    Nurmoldin, S.; Kachiyeva, Z.; Amirbekov, A.; Nakisbekov, N. (National Laboratory Astana, Nazarbayev University, 2017-09-15)
  • ON ELECTROCHEMICAL ACTIVITY OF ZN2(EDTA)(H2O) IN AQUEOUS SODIUM-ION BASED ELECTROLYTES 
    Starodubtseva, Alena; Trussov, Ivan; Galeyev, Alina; Kurbatov, Andrey (National Laboratory Astana, 2022-08)
    Metal-organic frameworks (MOFs) are a class of compounds consisting of metal ions or clusters coordinated to organic ligands to form one-, two-, or three-dimensional structures. Due to their high porosity and excellent ...
  • ONION-STRUCTURED SI ANODE CONSTRUCTED WITH COATING BY LI4TI5O12 AND CYCLIZED-POLYACRYLONITRILE FOR LITHIUM-ION BATTERIES 
    Nurpeissova, Arailym; Mukanova, Aliya; Kalimuldina, Gulnur; Umirov, Nurzhan; Kim, Sung-Soo; Bakenov, Zhumabay (Nanomaterials, 2020-10-10)
    Low dimensional Si-based materials are very promising anode candidates for the next-generation lithium-ion batteries. However, to satisfy the ever-increasing demand in more powerful energy storage devices, electrodes based ...
  • On numerical study of the discrete spectrum of a two-dimensional Schrödinger operator with soliton potential 
    Adilkhanov, A.N.; Taimanov, I.A. (Communications in Nonlinear Science and Numerical Simulation, 2017-01-01)
    Abstract The discrete spectra of certain two-dimensional Schrödinger operators are numerically calculated. These operators are obtained by the Moutard transformation and have interesting spectral properties: their kernels ...
  • On the relationship between dynamic solubility, multi-atom bubble nucleation, irradiationinduced re-solution, and the bubble size distribution in Xe implanted Mo 
    Rest, D.; Yun, B. Ye; Insepov, Z. (Argonne National Laboratory, 2013)
    U-Mo alloys are candidate fuels for both research and test reactors, as well as for advanced power reactors. A critical requirement for these candidate fuels is stable swelling behavior over their expected lifetime. ...
  • On Various Approaches to Machine Translation from Russian to Kazakh 
    Makazhanov, Aibek; Myrzakhmetov, Bagdat; Kozhirbayev, Zhanibek (Tatarstan Academy of Sciences, 2017-10-21)
    In this work we compare a number of approaches to machine translation (MT) form Russian to Kazakh. We focus specifically on this pair of languages for a number of reasons. First, these languages are relatively understudied ...
  • OPTICAL FEATURES OF AG/AU-WO3-X PLASMONIC COMPOSITE THIN FILMS 
    Mukhametkarimov, Yerzhan; Gusseinov, Nazim; Nemkayeva, Renata; Dosseke, Ulantay; Aitzhanov, Madi (National Laboratory Astana, 2022-08)
    In this work, plasmonic composite thin films based on tungsten oxide (WO3) matrix and Ag/Au nanoparticles (NPs) were deposited by RF magnetron sputtering. As deposited thin films have amorphous substoichiometric WO3-x ...
  • OPTIMAL DISTRIBUTION OF CATALYST IN POROUS PELLETS FOR A QUASI-STEADY-STATE REACTION WITH LANGMUIR-HINSHELWOOD KINETICS 
    Kabiyeva, Aigerim; Andreev, Vsevolod; Skrzypacz, Piotr; Golman, Boris (National Laboratory Astana, 2022-08)
    The conditions for enhancing the performance of a porous catalyst granule with a controlled activity profile are investigated for a catalytic reaction with Langmuir-Hinshelwood kinetics. The nonisothermal reaction and ...