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Browsing 02.National Laboratory Astana by Title

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  • Effect of copper sulfate concentration in growth solution on photocatalytic properties of ZnO/CuO nanostructures 
    Kedruk, Y.Y.; Gritsenko, L.V.; Abdullin, Kh.A.; Cicero, G. (The 8th International Conference on Nanomaterials and Advanced Energy Storage Systems; Nazarbayev University; National Laboratory Astana; Institute of Batteries, 2020-08)
    Metal oxide semiconductors are the most suitable materials used for photocatalytic processes in industry and the environment (in particular, they are involved in wastewater decontamination processes). Semiconductors are ...
  • EFFECT OF DOPING WITH CATIONS AND ANIONIC GROUPS ON THE IONIC CONDUCTIVITY PROPERTIES OF LATP SOLID ELECTROLYTES FOR LI-ION BATTERIES 
    Baltash, Yelnury; Mashekova, A.; Yegamkulov, M.; Trussov, I.; Mukanova, A. (National Laboratory Astana, 2022-08)
    The good energy capacity of lithium-ion batteries (LIBs) makes them promising electrochemical energy storage devices. Existing commercial batteries use flammable liquid electrolytes, which are unsafe, toxic and environmentally ...
  • Effect of electrochemical cycling on microstructure of sulfur electrodes 
    Yermukhambetova, Assiya; Berkinova, Zhazira; Golman, Boris (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)
    In lithium–sulfur (Li–S) batteries, during discharge, there is a significant morphology change as solid sulfur (S) gets dissolved and undergoes successive reduction and finally precipitates as lithium sulfide (Li2S) in ...
  • Effect of graphene nanosheets on electrochemical performance of Li4Ti5O12 in lithium-ion capacitors 
    Lu, Chengxing; Wang, Xin; Zhang, Xin; Peng, Huifen; Zhang, Yongguang; Wang, Gongkai; Wang, Zhenkun; Cao, Guanlong; Umirov, Nurzhan; Bakenov, Zhumabay (Ceramics International, 2017-06-01)
    Abstract In order to improve the electrochemical performance of lithium titanium oxide, Li4Ti5O12 (LTO), for the use in the lithium-ion capacitors (LICs) application, LTO/graphene composites were synthesized through a solid ...
  • EFFECT OF MARE’S MILK PREBIOTIC SUPPLEMENTATION ON THE GUT MICROBIOME AND THE IMMUNE SYSTEM DURING AND AFTER ANTIBIOTIC THERAPY 
    Nurgaziyev, M.; Aitenov, Y.; Khassenbekova, Zh.; Akpanova, S.; Rysbekov, K.; Kozhakhmetov, S.; Nurgozhina, A.; Sergazy, Sh.; Chulenbayeva, L.; Ospanova, Zh.; Tuyakova, A.; Mukhambetganov, N.; Sattybayeva, R.; Urazova, S.; Galymgozhina, N.; Gulyaev, A.; Kushugulova, A. (International conference "MODERN PERSPECTIVES FOR BIOMEDICAL SCIENCES: FROM BENCH TO BEDSIDE”; National Laboratory Astana, 2020)
    Antibiotic treatment can severely affect the gut microbiome with short-term and long-term consequences. Probiotic and prebiotic supplements are widely prescribed to modulate the composition and function of the human gut ...
  • Effect of Roux-en-Y gastric bypass-induced weight loss on the transcriptomic profiling of subcutaneous adipose tissue 
    González-Plaza, Juan José; Gutiérrez-Repiso, Carolina; García-Serrano, Sara; Rodriguez-Pacheco, Francisca; Garrido-Sánchez, Lourdes; Santiago-Fernández, Concepción; García-Arnés, Juan; Moreno-Ruiz, Francisco J.; Rodríguez-Cañete, Alberto; García-Fuentes, Eduardo (Surgery for Obesity and Related Diseases, 2016-02-01)
    Abstract BackgroundThe changes in the transcriptomic profiling of subcutaneous adipose tissue (SAT) when weight loss stabilizes after a Roux-en-Y gastric bypass (RYGB) are still largely unknown. ObjectivesTo investigate ...
  • EFFECT OF SYNTHESIS METHOD PARAMETERS ON THE PHOTOCATALYTIC ACTIVITY OF TUNGSTEN OXIDE NANOPLATES 
    Markhabayeva, Aiymkul; Abdullin, Khabibulla; Kalkozova, Zhanar; Nurbolat, Shyryn; Nuraje, Nurxat (AIP Advances, 2021-09-20)
    A simple chemical bath deposition method has been developed to study the formation of nanoplate morphology of tungsten oxide. The obtained materials were characterized by field emission scanning electron microscopy, ...
  • Effect of VO43− substitution for PO43− on electrochemical properties of the Li3Fe2(PO4)3 cathode materials 
    Yang, Yonggang; Zhang, Yongguang; Hua, Zhengshen; Wang, Xin; Peng, Huifen; Bakenov, Zhumabay (Electrochimica Acta, 2016-11-20)
    Abstract In this research, VO43− substitution was used to improve electrochemical properties of the Nasicon Li3Fe2(PO4)3 cathode material. The VO43− substitution resulted in formation of a homogeneous compound Li3Fe2(PO4)3-x(VO4)x ...
  • Effects of amyloid beta peptide on neurovascular cells 
    Askarova, Sholpan; Tsoy, Andrey; Shalakhmetova, Tamara; Lee, James C-M. (Central Asian Journal of Global Health, 2012)
    Alzheimer’s disease (AD) is a chronic neurodegenerative disorder, which is characterized by the accumulation of amyloid plaques and neurofibrillary tangles in specific regions of the brain, accompanied by impairment of the ...
  • The effects of antiviral treatment on breast cancer cell line 
    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 ...
  • THE EFFECTS OF DIFFERENT ELECTRON TRANSPORT LAYER MATERIALS ON THE PHOTOVOLTAIC PROPERTIES OF FLEXIBLE AND PRINTED PEROVSKITE SOLAR CELLS 
    Yerlanuly, Yerassyl; Parkhomenko, Hryhorii P.; Brus, Viktor V.; Jumabekov, Askhat N. (National Laboratory Astana, 2022-08)
    This work is dedicated to fabricate PSCs on the surface of flexible polyethylene terephthalate with a layer of transparent conducting indium-tin-oxide (PET/ITO) using a slot-die coating method and studying the effect of ...
  • THE EFFECTS OF PRECONDITIONED MESENCHYMAL STEM CELLS ON GASTRIC ULCER REGENERATION IN MICE 
    Zhunusova, M.S. (International conference "MODERN PERSPECTIVES FOR BIOMEDICAL SCIENCES: FROM BENCH TO BEDSIDE”; National Laboratory Astana, 2020)
    Introduction: During the last decade, preconditioned mesenchymal stem cells (MSCs) have gained much attention in the field of cell therapy due to their capacity to differentiate into different cell types and to promote ...
  • Effects of surface damage on rf cavity operation 
    Hassanein, A.; Insepov, Z.; Norem, J.; Moretti, A.; Qian, Z.; Bross, A.; Seidman, D. N. (Physical Review Special Topics-Accelerators and Beams, 2006)
    We describe a model of damage in rf cavities and show how this damage can limit cavity operation. We first present a review of mechanisms that may or may not affect the ultimate fields that can be obtained in rf cavities, ...
  • Efficiency of carbon layer growth in Li4Ti5O12/C composites studied by XPS and Raman spectroscopy 
    Pelegov, D. V.; Koshkina, A. A.; Pryakhina, V. I.; Slautin, B. N.; Gorshkov, V. 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 understanding of carbon layer formation is very important for core-shell composite electrodes, comprised of a low conductive core (active material) with a thin carbon shell (conductive additive). In this work we analyze ...
  • The efficiency of depressor additives application for ARPD inhibition and removal in oil storage tanks 
    Abdikalykov, Yerlan; Abilmagzhanov A., Arlan; Ivanov, 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 oil produced in the fields of Kazakhstan is characterized by a high content of paraffin hydrocarbons, which is one of the factors forming asphalt-resin-paraffin deposits (ARPD). Rapid formation of ARPD on the inner ...
  • Efficiency of screening colonoscopy for diagnosis of precancerous and canserous disease of digestive tract 
    Batyrbekov, K.; Olzhayev, F.; Shanazarov, N.; Maschkin, A. (Personalized medicine and Global Health, 2015)
    Colorectal cancer (CRC) is the third most common malignant neoplasm worldwide. According to World Gastroenterology Organization CRC is the second leading cause of cancer deaths among men and women that makes more than ...
  • Elastic and structural properties of nanometer scale-thick refractory metal films 
    Yakupov, Talgat A.; Utegulov, Zhandos N.; Demirkan, Taha; Karabacak, Tansel (Materials Today: Proceedings, 2017-01-01)
    Abstract In this work, we investigate thickness-dependent elastic and structural properties of refractory W, Ta and Mo thin films fabricated by radio-frequency magnetron sputtering on silicon substrates. Elastic properties ...
  • Electrical сharacterization of proposed transpositional acupoints on the Urinary Bladder Meridian in a Rat Model 
    Han, Hyun-Jung; Park, Sang-Jun; Soh, Kwang-sup; Myoung, Hyoun-Seok; Lee, Kyoung-Joung; Ogay, Vyacheslav; Lee, Yong-Heum (Hindawi Publishing Corporation. Evidence-Based Complementary and Alternative Medicine., 2011)
    Specific electrical characteristicsof acupointswere investigated on the urinary bladder (BL) meridian in 14 rats. BL acupointsand non-acupoints on the back were selected and their electrical voltages were measured by using ...
  • Electric Current Generation in the System Polyelectrolyte Gel of V2O5 – Solution 
    Kopishev, Eldar; Suleimenov, Ibrahim; Syzdykov, Askar; Safarov, Ruslan; Mashan, Togzhan; Berdenov, Zharas (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)
    Extending the list of the physical and chemical processes applicable for making electric current accumulators allows expanding the sources of raw material for the production of this category of goods. Vanadium is a promising ...
  • Electrochemical design of plasmonic nanoantennas for tip-enhanced optical spectroscopy and imaging performance 
    Kharintsev, Sergey; Alekseev, Alexander; Vasilchenko, Valeria; Kharitonov, Anton; Salakhov, Myakzyum (Optical Materials Express, 2015-09-15)
    Optical nanoantennas play a crucial role in controlling near-fields on the nanoscale and being counterparts of commonly used conventional optical components such as lens, prisms, gratings, etc. for shaping the wavefront ...