Электронный каталог
Жанр:Естественные науки (natural_sciences)
Каталог:Статьи
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3471-3480 из 4428
периодические издания(Журналы)
TOKTARBAIULY O.
Toktarbaiuly, O. Fabrication of Superhydrophobic Self-Cleaning Coatings by Facile Method: Stable after Exposure to Low Temperatures and UV Light [Text] / O. Toktarbaiuly, A. Kurbanova , O. Ualibek [et al.] // Bulletin of the Karaganda University. Chemistry series. - 2022. - № 3. - Р. 158-167. - Bibliogr.: p. 165-166 ISSN 2518-718Х.
УДК:
54.057
Предметная рубрика
- Synthesis
Ключевые слова
superhydrophobic coating, superhydrophobic sand, polydimethylsiloxane, titanium oxide nanoparticles, contact angle, electrokinetic potential
Казахстаника
0/0 Свободно
периодические издания(Журналы)
DEBERDEEV T. R.
Deberdeev, T. R. Thermal Behavior of Novel Aromatic Oligoesters and Oligoesteramides [Text] / T. R. Deberdeev, A. I. Akhmetshina , L. K. Karimova [et al.] // Bulletin of the Karaganda University. Chemistry series. - 2022. - № 3. - Р. 180-188. - Bibliogr.: p. 188 ISSN 2518-718Х.
УДК:
541.64
Предметная рубрика
- Chemistry of macromolecules. Products of polymerization, polycondensation and polyaddition reactions
Аннотация
Series of aromatic oligoesters and oligoesteramides were synthesized via high-temperature polycondensation of aromatic dicarboxylic acids with 4-hydroxybenzoic acid (or 4-aminobenzoic acid) and 1,5-naphthalene diol
Ключевые слова
liquid crystalline polymers, phase transitions, polarizing microscopy, thermal stability, high-temperature polycondensation
Казахстаника
0/0 Свободно
периодические издания(Журналы)
KAZHMURATOVA A. T.
Kazhmuratova, A. T. Influence of the RAFT Agent on the Reaction Direction of the Copolymerization of Polypropylene Glycol Maleate with Acrylic Acid [Text] / A. T. Kazhmuratova, M. S. Zhunissova , J. Plocek [et al.] // Bulletin of the Karaganda University. Chemistry series. - 2022. - № 3. - Р. 189-197. - Bibliogr.: p. 196-167 ISSN 2518-718Х.
УДК:
54.04
Предметная рубрика
- Chemical properties (and constants)
Аннотация
This work demonstrates the capability of synthesizing new polymers based on unsaturated polyester and acrylic acid in the presence of a chain-transfer agent in a dioxane solution
Ключевые слова
unsaturated polyester, polypropylene glycol maleate, acrylic acid, RAFT-polymerization
Казахстаника
0/0 Свободно
периодические издания(Журналы)
WU C. Y.
Wu, C. Y. Three-Dimensional Fingerprint Spectroscopy Study on the Biopolymer System of Polyphenol Oxidase Binding with Cumalic Acid [Text] / C. Y. Wu, W. О. Ling , Y. C. Yao [et al.] // Bulletin of the Karaganda University. Chemistry series. - 2022. - № 3. - Р. 168-179. - Bibliogr.: p. 176-177 ISSN 2518-718Х.
УДК:
544.4
Предметная рубрика
- Chemical kinetics. Catalysis
Аннотация
This study examines the interaction of coumaric acid with polyphenol oxidase, an enzyme that plays a key role in the aging and darkening of plant cells
Ключевые слова
biopolymer, Cu-containing enzyme, coumaric acid, polyphenol oxidase, antioxidant, antioxidant, spectroscopy, tyrosinase, molecular modeling
Казахстаника
0/0 Свободно
периодические издания(Журналы)
МUSSABAYEVA B. KH.
Мussabayeva, B. Kh. Interpolyelectrolyte Complex Chitosan – Alginate for Soil Structuring [Text] / B. Kh. Мussabayeva, Zh. S. Kassymova; L. K. Orazzhanova [et al.] // Bulletin of the Karaganda University. Chemistry series. - 2022. - № 3. - Р. 102-111. - Bibliogr.: p. 112-113 ISSN 2518-718Х.
УДК:
541.6
Предметная рубрика
- Chemical structure. Dependence of the properties of substances on the chemical structure. Chemistry of high polymers
Аннотация
The article presents the results of a vegetation field experiment on soil treatment with an interpolyelectrolyte complex
Ключевые слова
biopolymers, polysaccharides, interpolymer complex, vegetation experience, dark chestnut soil
Казахстаника
0/0 Свободно
периодические издания(Журналы)
AVAZOVA O. B.
Avazova, O. B. Polymolecular Complexes of Chitosan with the Bombyx Mori Protein [Text] / O. B. Avazova, R. Yu. Milushevа , I. N. Nurgaliev [et al.] // Bulletin of the Karaganda University. Chemistry series. - 2022. - № 3. - Р. 87-101. - Bibliogr.: p. 99-100 ISSN 2518-718Х.
УДК:
577
Предметная рубрика
- Material foundations of life. Biochemistry. Molecular Biology. Biophysics
Аннотация
The interaction of chitosan (ChS) and the Bombyx mori protein on different pH ranges was studied, and the fundamental possibility of obtaining complexes of ChS with the Bombyx mori protein was revealed
Ключевые слова
silkworm pupae, silk production waste, alkaline hydrolysis, protein, chitin, chitosan
Казахстаника
0/0 Свободно
периодические издания(Журналы)
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.
УДК:
541.64
Предметная рубрика
- Chemistry of macromolecules. Products of polymerization, polycondensation and polyaddition reactions
Аннотация
This study investigates the interaction of CS monomer with AA and sodium tripolyphosphate using density functional theory during the formation of chitosan ascorbate nanostructure
Ключевые слова
chitosan, ascorbic acid, chitosan ascorbate, nanoparticles, sodium tripolyphosphate, modeling
Казахстаника
0/0 Свободно
периодические издания(Журналы)
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.
УДК:
544.478
Предметная рубрика
- Catalysts
Аннотация
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
Ключевые слова
catalysts, copper microtubes, composite track-etched membranes, chromium removal, template synthesis, electroless plating
Казахстаника
0/0 Свободно
периодические издания(Журналы)
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.
УДК:
541.64
Предметная рубрика
- Chemistry of macromolecules. Products of polymerization, polycondensation and polyaddition reactions
Аннотация
This work discusses methods for producing polymer nanoparticles of polylactide decoglycolide with the anti-tuberculosis drug (PTD) isoniazid by nanodeposition
Ключевые слова
nanoparticles, anti-tuberculosis drugs, polylactide-co-glycolide, isoniazid, nanoprecipitation, hydrophilic drugs
Казахстаника
0/0 Свободно
периодические издания(Журналы)
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.
УДК:
54.04
Предметная рубрика
- Chemical properties (and constants)
Аннотация
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
Ключевые слова
nanocomposites, silver, gold, copolymer, polypropylene glycol maleate phthalate, acrylic acid, metal–polymer complex, antimicrobial activity
Казахстаника
0/0 Свободно
TOKTARBAIULY O.
FABRICATION OF SUPERHYDROPHOBIC SELF-CLEANING COATINGS BY FACILE METHOD: STABLE AFTER EXPOSURE TO LOW TEMPERATURES AND UV LIGHT
периодические издания(Журналы)
0/0 Свободно
DEBERDEEV T. R.
THERMAL BEHAVIOR OF NOVEL AROMATIC OLIGOESTERS AND OLIGOESTERAMIDES
периодические издания(Журналы)
0/0 Свободно
KAZHMURATOVA A. T.
INFLUENCE OF THE RAFT AGENT ON THE REACTION DIRECTION OF THE COPOLYMERIZATION OF POLYPROPYLENE GLYCOL MALEATE WITH ACRYLIC ACID
периодические издания(Журналы)
0/0 Свободно
WU C. Y.
THREE-DIMENSIONAL FINGERPRINT SPECTROSCOPY STUDY ON THE BIOPOLYMER SYSTEM OF POLYPHENOL OXIDASE BINDING WITH CUMALIC ACID
периодические издания(Журналы)
0/0 Свободно
МUSSABAYEVA B. KH.
INTERPOLYELECTROLYTE COMPLEX CHITOSAN – ALGINATE FOR SOIL STRUCTURING
периодические издания(Журналы)
0/0 Свободно
AVAZOVA O. B.
POLYMOLECULAR COMPLEXES OF CHITOSAN WITH THE BOMBYX MORI PROTEIN
периодические издания(Журналы)
0/0 Свободно
периодические издания(Журналы)
0/0 Свободно
MASHENTSEVA A. A.
APPLICATION OF THE CU@PET COMPOSITE TRACK-ETCHED MEMBRANES FOR CATALYTIC REMOVAL OF CR(VI) IONS
периодические издания(Журналы)
0/0 Свободно
GALIYEVA A. R.
ENCAPSULATION OF ISONIAZID IN POLYLACTIDE-CO-GLYCOLIDE NANOPARTICLES BY NANOPRECIPITATION
периодические издания(Журналы)
0/0 Свободно
BURKEYEV M. ZH.
SYNTHESIS AND INVESTIGATION OF THE PROPERTIES OF POLYMER-IMMOBILIZED SILVER- AND GOLD NANOPARTICLES
периодические издания(Журналы)
0/0 Свободно