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Kazakh and Russian Languages Identification Using Long Short-Term Memory Recurrent Neural Networks

Kozhirbayev, Zhanibek; Yessenbayev, Zhandos; Karabalayeva, Muslima (11th IEEE International Conference on Application of Information and Communication Technologies, 2017-09)

Automatic language identification (LID) belongs to the automatic process whereby the identity of the language spoken in a speech sample can be distinguished. In recent decades, LID has made significant advancement in spoken ...
Kazakh Text Summarization using Fuzzy logic

Zulkhazhav, Altanbek; Kozhirbayev, Zhanibek; Yessenbayev, Zhandos; Sharipbay, Altynbek (Computación y Sistemas, Nazarbayev University, 2019-09-25)

In this paper we present an extractive summarization method for the Kazakh language based on fuzzy logic. We aimed to extract and concatenate important sentences from the primary text to obtain its shorter form. With the ...
Local electrical properties of PTB7 film

Yedrissov, A.; Alekseev, A.; Ilyassov, B. (Materials Today: Proceedings, 2017-01-01)

Abstract A study of the spreading of currents and current-voltage characteristics in a pure PTB7 thin film by atomic force microscopy (AFM) technique was carried out in order to investigate the processes of transport of ...
Mapping hole mobility in PTB7 films at nanoscale

Yedrissov, A.; Ilyassov, B.; Alekseev, A.; Hedley, G J; Samuel, D W; Kharintsev, S. (IOP Publishing, 2019-12-01)

The nanoscale hole mobility in organic semiconducting polymer PTB7 is quantified by using conductive-AFM (C-AFM) measurements in space charge limited (SCLC) regime. The obtained current map of the neat PTB7 film is explained ...
MECHANISTIC INSIGHT INTO THE ROLE OF POLY(ADP-RIBOSYL)ATION IN DNA TOPOLOGY MODULATION AND RESPONSE TO DNA DAMAGE

Matkarimov, Bakhyt T.; Zharkov, Dmitry O.; Saparbaev, Murat K. (Mutagenesis, 2010)

Genotoxic stress generates single- and double-strand DNA breaks either through direct damage by reactive oxygen species or as intermediates of DNA repair. Failure to detect and repair DNA strand breaks leads to deleterious ...
THE MEDIEVAL MONGOLIAN ROOTS OF Y-CHROMOSOMAL LINEAGES FROM SOUTH KAZAKHSTAN

Zhabagin, Maxat; Sabitov, Zhaxylyk; Tarlykov, Pavel; Tazhigulova, Inkar; Junissova, Zukhra; Yerezhepov, Dauren; Akilzhanov, Rakhmetolla; Zholdybayeva, Elena; Wei, Lan-Hai; Akilzhanova, Ainur; Balanovsky, Oleg; Balanovska, Elena (BMC, 2020-10-22)

Background: The majority of the Kazakhs from South Kazakhstan belongs to the 12 clans of the Senior Zhuz. According to traditional genealogy, nine of these clans have a common ancestor and constitute the Uissun tribe. There ...
THE MEDIEVAL MONGOLIAN ROOTS OF YCHROMOSOMAL LINEAGES FROM SOUTH KAZAKHSTAN

Zhabagin, Maxat; Sabitov, Zhaxylyk; Tarlykov, Pavel; Tazhigulova, Inkar; Junissova, Zukhra; Yerezhepov, Dauren; Akilzhanov, Rakhmetolla; Zholdybayeva, Elena V.; Wei, Lan-Hai; Akilzhanova, Ainur; Balanovsky, Oleg; Balanovska, Elena (BMC, 2020-10-22)

Background: The majority of the Kazakhs from South Kazakhstan belongs to the 12 clans of the Senior Zhuz. According to traditional genealogy, nine of these clans have a common ancestor and constitute the Uissun tribe. There ...
Microalgal cytometric analysis in the presence of endogenous autofluorescent pigments

Dashkova, Veronika; Segev, Einat; Malashenkov, Dmitry; Kolter, Roberto; Vorobjev, Ivan; Barteneva, Natasha S. (Algal Research, 2016-11-01)

Abstract Flow cytometry (FCM) is a well-established tool in the field of aquatic phytoplankton ecology and microalgal biotechnology, which allows for rapid assessment of the viability and physiological state of individual ...
Micro-Spherical Sulfur/Graphene Oxide Composite via Spray Drying for High Performance Lithium Sulfur Batteries

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 ...
Modeling of High-Gradient Vacuum Breakdown

Ainabayev, A.; Berdenova, B.; Norem, J.; Insepov, Z. (arXiv preprint arXiv:1410.6501, 2014)

Comsol finite element technique was applied to study heating and cooling of a microspot on the cathode surface. The reasons why there seems to be no common model for vacuum arcs, in spite of the importance of this field ...
Modeling RF breakdown arcs

Insepov, Z.; Norem, J.; Proslier, T.; Huang, D.; Mahalingam, S.; Veitzer, S. (arXiv preprint arXiv:1003.1736, 2010)

We describe breakdown in 805 MHz rf accelerator cavities in terms of a number of self-consistent mechanisms. We divide the breakdown process into three stages: (1) we model surface failure using molecular dynamics of ...
Modeling Vacuum Arcs

Insepov, Z.; Norem, J.; Proslier, T.; Huang, D.; Mahalingam, S.; Veitzer, S. (arXiv preprint arXiv:1006.3770, 2010)
Modification on surface oxide layer structure and surface morphology of niobium by gas cluster ion beam treatments

Wu, A. T.; Swenson, D. R.; Insepov, Z. (Physical Review Special Topics-Accelerators and Beams, 2010)

Recently, it was demonstrated that significant reductions in field emission on Nb surfaces could be achieved by means of a new surface treatment technique called gas cluster ion beam (GCIB). Further study as shown in this ...
MODIFIED “ALLELE-SPECIFIC QPCR” METHOD FOR SNP GENOTYPING BASED ON FRET

Kalendar, Ruslan; Baidyussen, Akmaral; Serikbay, Dauren; Zotova, Lyudmila; Khassanova, Gulmira; Kuzbakova, Marzhan; Jatayev, Satyvaldy; Hu, Yin-Gang; Schramm, Carly; Anderson, Peter A.; Jenkins, Colin L. D.; Soole, Kathleen L.; Shavrukov, Yuri (Frontiers in Plant Science, 2022)

The proposed method is a modified and improved version of the existing “Allele-specific q-PCR” (ASQ) method for genotyping of single nucleotide polymorphism (SNP) based on fluorescence resonance energy transfer (FRET). ...
Molecular-dynamics simulation of thin-film growth by energetic cluster impact

Haberland, H.; Insepov, Z.; Moseler, M. (Physical Review B, 1995)

Langevin-molecular-dynamics simulations of thin-film growth by energetic cluster impact were carried out. The impact of a Mo 1043 cluster on a Mo(001) surface was studied for impact energies of 0.1, 1, and 10 eV/atom using ...
Neuronal extracellular microRNAs miR-124 and miR-9 mediate cell-cell communication between neurons and microglia

Veremeyko, Tatyana; Kuznetsova, Inna; Dukhinova, Marina; Yung, Amanda; Kopeikina, Ekaterina; Barteneva, Natasha S.; Ponomarev, Eugene D. (National Laboratory Astana, 2019-10-27)

In contrast to peripheral macrophages, microglia in the central nervous system (CNS) exhibit a specific deactivated phenotype; however, it is not clear how this phenotype is maintained. Two alternative hypotheses were ...
New mechanism of cluster-field evaporation in rf breakdown

Insepov, Z.; Norem, J. H.; Hassanein, A. (Physical Review Special Topics-Accelerators and Beams, 2004)

Using a simple field evaporation model and molecular dynamics simulations of nanoscale copper tip evolution in a high electric field gradient typical for linacs, we have studied a new mechanism for rf-field evaporation. ...
Nitrogen-doped carbon nanotubes coated with zinc oxide nanoparticles as sulfur encapsulator for high-performance lithium/sulfur batteries

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 ...
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 ...
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 ...