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Genre:Естественные науки (natural_sciences)
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231-240 of 272
periodical press (Magazines)
KANABEKOVA P.
Kanabekova, P. Applications of Nanofiber Membranes in Microphysiological Systems [Text] / P. Kanabekova, A. Martin , A. Kemelbekova [et al.] // Bulletin of the Karaganda University. Chemistry series. - 2022. - № 3. - Р. 56-66. - Bibliogr.: p. 62-65 ISSN 2518-718Х.
UDC:
544.42
Subject headings
- Formal kinetics
Annotation
This review focuses on the use of electrospun nanofiber membranes as a functional basement membrane which plays a central role in the development of lung-on-a- chip platforms
Keywords
microphysiological, nanofiber, basement membrane, electrospinning, microfluidics, lung-on-chip, polycaprolactone, adherent junction
0/0 Free
periodical press (Magazines)
ZHUBANOV A. A.
Zhubanov, A. A. Amidation of Polyethylene-Acrylic Acid Copolymer as Pour Point Depressants for Waxy Crude Oils [Text] / A. A. Zhubanov, V. G. Bondaletov , S. S. Kozhabekov [et al.] // Bulletin of the Karaganda University. Chemistry series. - 2022. - № 3. - Р. 150-157. - Bibliogr.: p. 156-157 ISSN 2518-718Х.
UDC:
665.7.038.64
Subject headings
- Index additives (increasing viscosity index). Depressant additives (reducing the pour point)
Annotation
The present work aims to provide amine-modified polyethylene-acrylic acid (PEAA) copolymers as a pour point depressant (PPD) that will be evaluated for lower pour point of crude oil
Keywords
polyethylene-acrylic acid , crude oil, copolymers, pour point depressant , flow, primary amines
Kazakhstan
0/0 Free
periodical press (Magazines)
MASHENTSEVA A. A.
Mashentseva, A. A. Application of the Cu@PET Composite Track-Etched Membranes for Catalytic Removal of Cr(VI) Ions [Text] / A. A. Mashentseva, N. A. Aimanova; N. Parmanbek [et al.] // Bulletin of the Karaganda University. Chemistry series . - 2022. - № 3. - Р. 227-238. - Bibliogr.: р. 235-237 ISSN 2518-718Х.
UDC:
544.478
Subject headings
- Catalysts
Annotation
This research examines the features of obtaining composite track-etched membranes based on copper microtubes using various compositions of a deposition solution and various types of reducing agents, such as formaldehyde, dimethylamine borane, glyoxylic acid
Keywords
catalysts, copper microtubes, composite track-etched membranes, chromium removal, template synthesis, electroless plating
Kazakhstan
0/0 Free
periodical press (Magazines)
IMANGULOVA T. V.
Imangulova, T. V. Assessment of the Akmola region territory on a degree of natural resource attractiveness [Text] / T. V. Imangulova, A. S. Yevloyeva , M. A. Titova // География және геоэкология мәселелері. - 2020. - № 3. - 77-82 р.. - Bibliogr.: 81-82 р.
ISSN 1998-7838.
UDC:
338.483.11
Subject headings
- Natural resources of tourism
Annotation
The article presents the physical and geographical characteristics of the Akmola region, describes in detail the recreational potential of the region
Keywords
natural resources, natural resource attractiveness, recreational potential, the attractiveness of natural resources, natural resources of tourism, tourism, promising areas for tourism
Kazakhstan
0/0 Free
periodical press (Magazines)
SULTANGALIYEVA I. T.
Sultangaliyeva, I. T. Assesment of the effect of electromagnetic radiation from cell phones on hydrobionts by biotesting [Text] / I. T. Sultangaliyeva, R. R. Beisenova // Қазақстан Республикасы Ұлттық ғылым академиясының баяндамалары. - 2022. - № 2. - P. 146-157. - Bibliogr.: p. 155-157 ISSN 2224-5227.
UDC:
574.632:537.87
Subject headings
- The effect of electromagnetic waves on hydrobionts
Annotation
The article considers the problem of the influence of electromagnetic radiation on living organism, generated by cellular communica
Keywords
electromagnetic radiation, electromagnetic fields, cell phone, hydrobionts, электромагниттік сәулелену, гидробионттар, дафния мәдениеті, электромагнитные излучения, гидробионты, культура дафний, daphnia culture
Kazakhstan
0/0 Free
periodical press (Magazines)
AMIRGALIEV N. A.
Amirgaliev, N. A. About ratio and values of the empirical coefficient of alkali metals (Na+ and K+) in surface waters of Kazakhstan on the example of the Ile river [Text] / N. A. Amirgaliev Christian Opp , M. Askarova [et al.] // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Геология және техникалық ғылымдар сериясы. - 2020. - № 1 (439). - P. 6-13. - Bibliogr.: p. 13 ISSN 2224-5278.
UDC:
556.114
Subject headings
- Chemical and physico-chemical properties of water
Annotation
Issues concerning to insufficient knowledge of such important aspects in the field of regional hydrochemistry, which are the patterns of formation of the regime and dynamics of alkali metals in surface waters are considered
Keywords
alkali metals, sodium and potasium, surface waters, hydrochemistry, судағы сілтілік металдар, жер беті сулары, щелочные металлы, поверхностные воды
Kazakhstan
0/0 Free
periodical press (Magazines)
MUKUSHKINA D. D.
Mukushkina, D. D. Associations of miRNA with mRNA of atherosclerosis candidate genes [Text] / D. D. Mukushkina, S. Labeit , A. T. Ivachenko // Қазақстан Республикасы Ұлттық ғылым академиясының хабарлары. Биология және медицина сериясы. - 2020. - № 3 (339). - P. 5-13. - Bibliogr.: p. 12-13 ISSN 2224-5308.
UDC:
577.218
Subject headings
- Molecular mechanisms of regulation of gene expression
Annotation
This research presents the characteristics of miRNA interactions with mRNA of atherosclerosis candidate genes
Keywords
atherosclerosis, miRNA, mRNA, candidate genes, associations, атеросклероз, кандидаттық гендер, кандидатные гены
Kazakhstan
0/0 Free
periodical press (Magazines)
MENDIGALIEVA S. S.
Mendigalieva, S. S. Aggregation-induced emission of 5-(benzylidene)pyrimidine-2,4,6-triones [Text] / S. S. Mendigalieva, D. A. Birimzhanova , I. S. Irgibaeva [et al.] // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 1. - Р. 39-49. - Bibliogr.: p. 47-48 ISSN 2518-718Х.
UDC:
54
Subject headings
- Chemistry
Annotation
5-(Benzylidene)pyrimidine-2,4,6-triones with different substituents on the phenyl rings: 5-(4’-dimethyl-aminobenzylidene) barbituric acid and 5-(4’methoxybenzylidene) barbituric acid were synthesized, and their spectral-luminescent properties were investigated
Keywords
aggregation-induced emission, barbituric acid, fluorescent probes, fluorescence peak intensities, luminophore, dye molecules, substituent phenyl ring
Kazakhstan
0/0 Free
periodical press (Magazines)
KASSANOVA A. ZH.
Kassanova, A. Zh. Arenediazonium sulfonates: synthesis, comparison of structural and physicochemical properties [Text] / A. Zh. Kassanova, M. T. Yestayeva , M. O. Turtubayeva // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 1. - С. 25-38. - Bibliogr.: p. 35-36 ISSN 2518-718Х.
UDC:
544.016
Subject headings
- Physico-chemical analysis
Annotation
This article is concerned with aromatic diazonium sulfonates such as tosylates, dodecylbenzenesulfonates, triflates, camphorsulfonates, silica sulfates
Keywords
diazonium salts, diazotization, sulfonates, tosylate, triflate, camphorsulfonate
Kazakhstan
0/0 Free
periodical press (Magazines)
ANNAVARAPU T.
Annavarapu, T. Anti-inflammatory and antioxidant activities of 4-allylpyrocatechol and its derivatives with molecular docking and ADMET investigations [Text] / T. Annavarapu, S. Kamepalli , S. K. Kondala [et al.] // Қарағанды университетінің хабаршысы. Химия сериясы. - 2022. - № 1. - Р. 50-59. - Bibliogr.: p. 57-58 ISSN 2518-718Х.
UDC:
544
Subject headings
- Physical chemistry
Annotation
The study aims to investigate the in vitro anti-inflammatory and antioxidant activity of 4-allyl pyrocatechol (4-APC) and its derivatives (APC-1 and APC-2) by albumin denaturation and 1,1-Diphenyl-2-picrylhydrazyl (DPPH) methods, respectively
Keywords
pyrocatechol, anti-inflammatory, antioxidant, lead molecule, inflammatory markers, calpain, FAAH, docking
Kazakhstan
0/0 Free
KANABEKOVA P.
APPLICATIONS OF NANOFIBER MEMBRANES IN MICROPHYSIOLOGICAL SYSTEMS
periodical press (Magazines)
0/0 Free
ZHUBANOV A. A.
AMIDATION OF POLYETHYLENE-ACRYLIC ACID COPOLYMER AS POUR POINT DEPRESSANTS FOR WAXY CRUDE OILS
periodical press (Magazines)
0/0 Free
MASHENTSEVA A. A.
APPLICATION OF THE CU@PET COMPOSITE TRACK-ETCHED MEMBRANES FOR CATALYTIC REMOVAL OF CR(VI) IONS
periodical press (Magazines)
0/0 Free
IMANGULOVA T. V.
ASSESSMENT OF THE AKMOLA REGION TERRITORY ON A DEGREE OF NATURAL RESOURCE ATTRACTIVENESS
periodical press (Magazines)
0/0 Free
SULTANGALIYEVA I. T.
ASSESMENT OF THE EFFECT OF ELECTROMAGNETIC RADIATION FROM CELL PHONES ON HYDROBIONTS BY BIOTESTING
periodical press (Magazines)
0/0 Free
AMIRGALIEV N. A.
ABOUT RATIO AND VALUES OF THE EMPIRICAL COEFFICIENT OF ALKALI METALS (NA+ AND K+) IN SURFACE WATERS OF KAZAKHSTAN ON THE EXAMPLE OF THE ILE RIVER
periodical press (Magazines)
0/0 Free
MUKUSHKINA D. D.
ASSOCIATIONS OF MIRNA WITH MRNA OF ATHEROSCLEROSIS CANDIDATE GENES
periodical press (Magazines)
0/0 Free
MENDIGALIEVA S. S.
AGGREGATION-INDUCED EMISSION OF 5-(BENZYLIDENE)PYRIMIDINE-2,4,6-TRIONES
periodical press (Magazines)
0/0 Free
KASSANOVA A. ZH.
ARENEDIAZONIUM SULFONATES: SYNTHESIS, COMPARISON OF STRUCTURAL AND PHYSICOCHEMICAL PROPERTIES
periodical press (Magazines)
0/0 Free
ANNAVARAPU T.
ANTI-INFLAMMATORY AND ANTIOXIDANT ACTIVITIES OF 4-ALLYLPYROCATECHOL AND ITS DERIVATIVES WITH MOLECULAR DOCKING AND ADMET INVESTIGATIONS
periodical press (Magazines)
0/0 Free