Browsing Articles by Title

Now showing items 62-81 of 166

Identifying risk factors associated with smear positivity of pulmonary tuberculosis in Kazakhstan

Hermosilla, Sabrina; You, Paul; Aifah, Angela; Abildayev, Tleukhan; Akilzhanova, Ainur; Kozhamkulov, Ulan; Muminov, Talgat; Darisheva, Meruert; Zhussupov, Baurzhan; Terlikbayeva, Assel; El-Bassel, Nabila; Schluger, Neil (PLoS ONE, 2017-03-01)

Background Sputum smear-positive tuberculosis (TB) patients have a high risk of transmission and are of great epidemiological and infection control significance. Little is known about the smearpositive populations in high ...
Implementation of TTIK method and time of flight for resonance reaction studies at heavy ion accelerator DC-60

Nurmukhanbetova, A.K.; Goldberg, V.Z.; Nauruzbayev, D.K.; Rogachev, G.V.; Golovkov, M.S.; Mynbayev, N.A.; Artemov, S.; Karakhodjaev, A.; Kuterbekov, K.; Rakhymzhanov, A.; Berdibek, Zh.; Ivanov, I.; Tikhonov, A.; Zherebchevsky, V.I.; Torilov, S. Yu.; Tribble, R.E. (Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2017-03-01)

Abstract To study resonance reactions of heavy ions at low energy we have combined the Thick Target Inverse Kinematics Method (TTIK) with Time of Flight method (TF). We used extended target and TF to resolve the identification ...
Incidence of meningococcal disease in children in Astana city

Seidullayeva, A.; Zhaxylykova, G.; Bayesheva, D.; Turdalina, B.; Balgayeva, M.; Kushugulova, A.; Greenberg, D.; Volkova, G. (International Journal of Infectious Diseases, 2016-12-01)

The main aim of present study is to evaluate the clinical and epidemiological features of meningococcal disease in children under the age of 14 in Astana for 2015.
Independent Component Analysis for Unraveling the Complexity of Cancer Omics Datasets

Sompairac, Nicolas; Nazarov, Petr V.; Czerwinska, Urszula; Cantini, Laura; Biton, Anne; Molkenov, Askhat; Zhumadilov, Zhaxybay; Barillot, Emmanuel; Radvanyi, Francois; Gorban, Alexander; Kairov, Ulykbek; Zinovyev, Andrei (MDPI, 2019-09-02)

Independent component analysis (ICA) is a matrix factorization approach where the signals captured by each individual matrix factors are optimized to become as mutually independent as possible. Initially suggested for ...
Induction of Apoptosis in U937 Cells by Using a Combination of Bortezomib and Low-Intensity Ultrasound

Saliev, Timur; Feril Jr., Loreto B.; Ogawa, Koichi; Watanabe, Akiko; Begimbetova, Dinara; Molkenov, Askhat; Alimbetov, Dauren; Tachibana, Katsuro (Medical Science Monitor, 2016-12-22)

Background: We scrutinized the feasibility of apoptosis induction in blood cancer cells by means of low-intensity ultrasoundand the proteasome inhibitor bortezomib (Velcade). Material/Methods: Human leukemic monocyte ...
The influence of the Lop Nor Nuclear Weapons Test Base to the population of the Republic of Kazakhstan

Zhumadilov, Kassym; Ivannikov, Alexander; Zharlyganova, Dinara; Stepanenko, Valeriy; Zhumadilov, Zhaxybay; Apsalikov, Kazbek; Toyoda, Shin; Endo, Satoru; Tanaka, Kenichi; Miyazawa, Chuzou; Okamoto, Tetsuji; Hoshi, Masaharu (Radiation Measurements, 2011-04-01)

Abstract The method of electron spin resonance (ESR) dosimetry was applied to human tooth enamel to obtain estimates of individual absorbed dose for residents of Makanchi, Urdzhar and Taskesken settlements located near the ...
Initial Normalization of User Generated Content: Case Study in a Multilingual Setting

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 ...
In situ sol-gel synthesis of ultrafine ZnO nanocrystals anchored on graphene as anode material for lithium-ion batteries

Li, Haipeng; Wei, Yaqiong; Zhang, Yongguang; Zhang, Chengwei; Wang, Gongkai; Zhao, Yan; Yin, Fuxing; Bakenov, Zhumabay (Ceramics International, 2016-08-01)

Abstract Ultrafine ZnO nanocrystals anchored on graphene were synthesized by a facile and highly efficient in situ sol-gel method. Uniform ZnO nanocrystals with an average size of 9.3nm were well dispersed on graphene ...
AN INTEGRATED APPROACH TO UNDERSTANDING RF VACUUM ARCS

Norem, J.; Insepov, Z.; Hassanein, A. (Nature Research, 2021-01-27)

Although used in the design and costing of large projects such as linear colliders and fusion tokamaks, the theory of vacuum arcs and gradient limits is not well understood. Almost 120 years after the isolation of vacuum ...
Investigation of Nanohydrophobic Sand as an Insulating Layer for Cultivation of Plants in Soils Contaminated with Heavy Metals

Myrzabaeva, M.; Insepov, Z.; Boguspaev, K. K.; Faleev, D. G.; Nazhipkyzy, M.; Lesbayev, B. T.; Mansurov, Z. A. (urasian Chemico-Technological Journal, 2017)

The paper presents the results of laboratory experiments to test hydrophobic sand, on the basis of soot as an insulating for growing plants-hyperaccumulators heavy metals ‒ amaranth (Amaranthus paniculatus) and sunflower ...
IS THERE AN ADVANTAGEOUS ARRANGEMENT OF AROMATIC RESIDUES IN PROTEINS? STATISTICAL ANALYSIS OF AROMATIC INTERACTIONS IN GLOBULAR PROTEINS

Lobanov, Mikhail Yu.; Pereyaslavets, Leonid B.; Likhachev, Ilya V.; Matkarimov, Bakhyt; Galzitskaya, Oxana V. (Computational and Structural Biotechnology Journal, 2021)

The aim of this study was to evaluate the favorability of different conformations of aromatic residues in proteins by analysing the occurrence of particular conformations. The clustering of protein structures from the ...
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 ...