Electronic catalog
Genre:Естественные науки (natural_sciences)
catalogue:Articles
Search result:
3471-3480 of 4428
periodical press (Magazines)
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.
UDC:
54.057
Subject headings
- Synthesis
Keywords
superhydrophobic coating, superhydrophobic sand, polydimethylsiloxane, titanium oxide nanoparticles, contact angle, electrokinetic potential
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
541.64
Subject headings
- Chemistry of macromolecules. Products of polymerization, polycondensation and polyaddition reactions
Annotation
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
Keywords
liquid crystalline polymers, phase transitions, polarizing microscopy, thermal stability, high-temperature polycondensation
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
54.04
Subject headings
- Chemical properties (and constants)
Annotation
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
Keywords
unsaturated polyester, polypropylene glycol maleate, acrylic acid, RAFT-polymerization
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
544.4
Subject headings
- Chemical kinetics. Catalysis
Annotation
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
Keywords
biopolymer, Cu-containing enzyme, coumaric acid, polyphenol oxidase, antioxidant, antioxidant, spectroscopy, tyrosinase, molecular modeling
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
541.6
Subject headings
- Chemical structure. Dependence of the properties of substances on the chemical structure. Chemistry of high polymers
Annotation
The article presents the results of a vegetation field experiment on soil treatment with an interpolyelectrolyte complex
Keywords
biopolymers, polysaccharides, interpolymer complex, vegetation experience, dark chestnut soil
Kazakhstan
0/0 Free
periodical press (Magazines)
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.
UDC:
577
Subject headings
- Material foundations of life. Biochemistry. Molecular Biology. Biophysics
Annotation
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
Keywords
silkworm pupae, silk production waste, alkaline hydrolysis, protein, chitin, chitosan
Kazakhstan
0/0 Free
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, chitosan ascorbate, nanoparticles, sodium tripolyphosphate, 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
catalysts, copper microtubes, composite track-etched membranes, 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, anti-tuberculosis drugs, polylactide-co-glycolide, isoniazid, nanoprecipitation, hydrophilic 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
TOKTARBAIULY O.
FABRICATION OF SUPERHYDROPHOBIC SELF-CLEANING COATINGS BY FACILE METHOD: STABLE AFTER EXPOSURE TO LOW TEMPERATURES AND UV LIGHT
periodical press (Magazines)
0/0 Free
DEBERDEEV T. R.
THERMAL BEHAVIOR OF NOVEL AROMATIC OLIGOESTERS AND OLIGOESTERAMIDES
periodical press (Magazines)
0/0 Free
KAZHMURATOVA A. T.
INFLUENCE OF THE RAFT AGENT ON THE REACTION DIRECTION OF THE COPOLYMERIZATION OF POLYPROPYLENE GLYCOL MALEATE WITH ACRYLIC ACID
periodical press (Magazines)
0/0 Free
WU C. Y.
THREE-DIMENSIONAL FINGERPRINT SPECTROSCOPY STUDY ON THE BIOPOLYMER SYSTEM OF POLYPHENOL OXIDASE BINDING WITH CUMALIC ACID
periodical press (Magazines)
0/0 Free
МUSSABAYEVA B. KH.
INTERPOLYELECTROLYTE COMPLEX CHITOSAN – ALGINATE FOR SOIL STRUCTURING
periodical press (Magazines)
0/0 Free
AVAZOVA O. B.
POLYMOLECULAR COMPLEXES OF CHITOSAN WITH THE BOMBYX MORI PROTEIN
periodical press (Magazines)
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