Electronic catalog
Genre:Естественные науки (natural_sciences)
catalogue:Articles
Search result:
3021-3030 of 3099
periodical press (Magazines)
NURGALIEV I. N.
Nurgaliev, I. N. DFT Study of Chitosan Ascorbate Nanoparticles Structure [Text] / I. N. Nurgaliev // Bulletin of the Karaganda University. Chemistry series . - 2022. - № 3. - Р. 218-226. - Bibliogr.: р. 223-225 ISSN 2518-718Х.
UDC:
541.64
Subject headings
- Chemistry of macromolecules. Products of polymerization, polycondensation and polyaddition reactions
Annotation
This study investigates the interaction of CS monomer with AA and sodium tripolyphosphate using density functional theory during the formation of chitosan ascorbate nanostructure
Keywords
chitosan, ascorbic acid, sodium tripolyphosphate, chitosan ascorbate, nanoparticles, modeling
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
composite track-etched membranes, catalysts, copper microtubes, chromium removal, template synthesis, electroless plating
Kazakhstan
0/0 Free
periodical press (Magazines)
GALIYEVA A. R.
Galiyeva, A. R. Encapsulation of Isoniazid in Polylactide-Co-Glycolide Nanoparticles by Nanoprecipitation [Text] / A. R. Galiyeva, Ye. M. Tazhbayev , T. S. Zhumagaliyeva [et al.] // Bulletin of the Karaganda University. Chemistry series . - 2022. - № 3. - Р. 208-217. - Bibliogr.: р. 214-216 ISSN 2518-718Х.
UDC:
541.64
Subject headings
- Chemistry of macromolecules. Products of polymerization, polycondensation and polyaddition reactions
Annotation
This work discusses methods for producing polymer nanoparticles of polylactide decoglycolide with the anti-tuberculosis drug (PTD) isoniazid by nanodeposition
Keywords
nanoparticles, polylactide-co-glycolide, isoniazid, nanoprecipitation, hydrophilic drugs, anti-tuberculosis drugs
Kazakhstan
0/0 Free
periodical press (Magazines)
BURKEYEV M. ZH.
Burkeyev, M. Zh. Synthesis and Investigation of the Properties of Polymer-immobilized Silver- and Gold Nanoparticles [Text] / M. Zh. Burkeyev, S. R. Shibayeva , T. O. Khamitova [et al.] // Bulletin of the Karaganda University. Chemistry series . - 2022. - № 3. - Р. 198-207. - Bibliogr.: р. 206 ISSN 2518-718Х.
UDC:
54.04
Subject headings
- Chemical properties (and constants)
Annotation
Metal–polymer composites based on copolymers of polypropylene glycol maleate phthalate with acrylic acid and metallic gold and silver were synthesized for the first time
Keywords
nanocomposites, silver, gold, copolymer, polypropylene glycol maleate phthalate, acrylic acid, metal–polymer complex, antimicrobial activity
Kazakhstan
0/0 Free
periodical press (Magazines)
GANDHI S. P.
Gandhi, S. P. Validated High Performance Thin Layer Chromatography Method for Simultaneous Estimation for Gallic Acid and Quercetin in Polyherbal Blend and Their Quantitative Estimation [Text] / S. P. Gandhi, A. R. Gawhane , S. D. Kapse [et al.] // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 4. - Р. 54-64. - Bibliogr.: p. 63 ISSN 2518-718Х.
UDC:
543
Subject headings
- Analytical Chemistry
Annotation
Simple, sensitive high performance thin layer chromatography method for the estimation of gallic acid and quercetin in in-house polyherbal blend has been developed and validated
Keywords
gallic acid, quercetin, simultaneous estimation, high performance thin layer chromatography, validation, quantification, polyherbal, extracts
Kazakhstan
0/0 Free
periodical press (Magazines)
АНТОНЕНКО А. А.
Антоненко, А. А. Поисковые признаки карстового свинцово-цинкового оруденения (На примере Ачисайского рудного поля) [Текст] : минерагения
/ А. А. Антоненко // Қазақстан Республикасы Ұлттық Ғылым Академиясының Хабарлары : геология және техникалық ғылымдар сериясы = Известия Национальной Академии Наук Республики Казахстан : серия геологии и технических наук. - 2013. - № 2. - С. 47-58. ISSN 2224-5278.
UDC:
553.2
Subject headings
- Образование минералов. Рудообразование
Annotation
В статье на примере Ачисайского рудного поля рассмотрены прямые и косвенные признаки свинцово-цинкового карстового оруденения
Keywords
карст, поисковые признаки, рудное поле, оруденение, Ачисайское месторождение
Kazakhstan
0/0 Free
periodical press (Magazines)
BHOLE R. P.
Bhole, R. P. Design and Synthesis of Vitamin Drug Conjugate for its Probable Potential Against SARS-COV-2 Infections [Text] / R. P. Bhole, P. M. Karche , Y. Shinde // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 4. - P. 46-53. - Bibliogr.: p. 51-52 ISSN 2518-718Х.
UDC:
544.4
Subject headings
- Chemical kinetics. Catalysis
Keywords
vitamin drug conjugate, SARS-COV-2, hydroxychloroquine, folic acid, molecular modelling, molecular dynamic stimulation
Kazakhstan
0/0 Free
periodical press (Magazines)
TURGUNALIEVA D. M.
Turgunalieva, D. M. Synthesis and Antibacterial Activity of Hydrazones of Isonicotinic and Salicylic Acids Based on Acetyl Derivatives of Coumarin and Benzo [g] [1,3,5] Oxadiazocine [Text] / D. M. Turgunalieva, D. S. Dilbaryan , A. S. Vasilchenkо [et al.] // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 4. - Р. 25-34. - Bibliogr.: p. 33-34 ISSN 2518-718Х.
UDC:
544.32
Subject headings
- Thermodynamic functions of chemical processes
Keywords
hydrazides, isoniazid, salicylic acid hydrazide, coumarins, hydrazones, antimicrobial activity
Kazakhstan
0/0 Free
periodical press (Magazines)
MAKASHEVA A. M.
Makasheva, A. M. Direct Correlation between Fluid Cluster Structure and Its Viscosity [Text] / A. M. Makasheva, V. P. Malyshev , L. A. Bekbayeva // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 4. - Р. 65-75. - Bibliogr.: p. 72-73 ISSN 2518-718Х.
UDC:
544.4
Subject headings
- Chemical kinetics. Catalysis
Keywords
Boltzmann distribution, randomized particles, probability, virtuality, cluster, melt, viscosity, alkali metals
Kazakhstan
0/0 Free
periodical press (Magazines)
AYAZBAYEVA A. YE.
Ayazbayeva, A. Ye. Temperature and Salt Responsivity of Anionic, Cationic and Amphoteric Nanogels Based on N-Isopropylacrylamide, 2-Acrylamido-2-Methyl-1-Propanesulfonic Acid Sodium Salt and (3-Acrylamidopropyl) Trimethylammonium Chloride [Text] / A. Ye. Ayazbayeva, A. V. Shakhvorostov , S. E. Kudaibergenov // Bulletin of the Karaganda University. Chemistry Series. - 2022. - № 4. - Р. 14-24. - Bibliogr.: p. 22-23 ISSN 2518-718Х.
UDC:
541.64
Subject headings
- Chemistry of macromolecules. Products of polymerization, polycondensation and polyaddition reactions
Annotation
Three different nanogels possessing anionic, cationic and amphoteric character were synthesized via conventional redox initiated free radical copolymerization of N-isopropylacrylamide, 2-acrylamido-2-methyl-1-propanesulfonic acid sodium salt and (3-acrylamidopropyl) trimethylammonium chloride
Keywords
polyampholyte nanogels, poly-N-isopropylacrylamide, ionic monomers, volume phase transition temperature, amphoteric nanogel, cationic nanogel
Kazakhstan
0/0 Free
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
GALIYEVA A. R.
ENCAPSULATION OF ISONIAZID IN POLYLACTIDE-CO-GLYCOLIDE NANOPARTICLES BY NANOPRECIPITATION
periodical press (Magazines)
0/0 Free
BURKEYEV M. ZH.
SYNTHESIS AND INVESTIGATION OF THE PROPERTIES OF POLYMER-IMMOBILIZED SILVER- AND GOLD NANOPARTICLES
periodical press (Magazines)
0/0 Free
GANDHI S. P.
VALIDATED HIGH PERFORMANCE THIN LAYER CHROMATOGRAPHY METHOD FOR SIMULTANEOUS ESTIMATION FOR GALLIC ACID AND QUERCETIN IN POLYHERBAL BLEND AND THEIR QUANTITATIVE ESTIMATION
periodical press (Magazines)
0/0 Free
АНТОНЕНКО А. А.
ПОИСКОВЫЕ ПРИЗНАКИ КАРСТОВОГО СВИНЦОВО-ЦИНКОВОГО ОРУДЕНЕНИЯ (НА ПРИМЕРЕ АЧИСАЙСКОГО РУДНОГО ПОЛЯ)
periodical press (Magazines)
0/0 Free
BHOLE R. P.
DESIGN AND SYNTHESIS OF VITAMIN DRUG CONJUGATE FOR ITS PROBABLE POTENTIAL AGAINST SARS-COV-2 INFECTIONS
periodical press (Magazines)
0/0 Free
TURGUNALIEVA D. M.
SYNTHESIS AND ANTIBACTERIAL ACTIVITY OF HYDRAZONES OF ISONICOTINIC AND SALICYLIC ACIDS BASED ON ACETYL DERIVATIVES OF COUMARIN AND BENZO [G] [1,3,5] OXADIAZOCINE
periodical press (Magazines)
0/0 Free
MAKASHEVA A. M.
DIRECT CORRELATION BETWEEN FLUID CLUSTER STRUCTURE AND ITS VISCOSITY
periodical press (Magazines)
0/0 Free
AYAZBAYEVA A. YE.
TEMPERATURE AND SALT RESPONSIVITY OF ANIONIC, CATIONIC AND AMPHOTERIC NANOGELS BASED ON N-ISOPROPYLACRYLAMIDE, 2-ACRYLAMIDO-2-METHYL-1-PROPANESULFONIC ACID SODIUM SALT AND (3-ACRYLAMIDOPROPYL) TRIMETHYLAMMONIUM CHLORIDE
periodical press (Magazines)
0/0 Free