Kimya: Recent submissions
Now showing items 61-80 of 123
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Effects of types and concentrations of modified Cloisite Clays on properties of chitosan nanocomposites for food packaging
(John Wiley and Sons Ltd, 2023)Biodegradable chitosan has excellent film-forming properties compared to other biodegradables but also some limitations, such as poor water barrier and low mechanical strength. Thus, in this research, the effects of various ... -
Sensitive Amperometric Detection of Hydroxylamine at Electropolymerized Curcumin Film Coated Pencil Graphite Electrode
(John Wiley and Sons Inc, 2023)In this study, a sensitive electrochemical method was developed for the determination of hydroxylamine (H-A) using a curcumin-modified pencil graphite electrode prepared with the electropolymerization of curcumin (PolyCurc-PGE). ... -
The application of multi-walled carbon nanotubes modified pencil graphite electrode for voltammetric determination of favipiravir used in COVID-19 treatment
(Springer, 2023)This study describes the first application of an improved procedure on a pencil graphite electrode decorated with functionalized multi-walled carbon nanotubes (f-MWCNTs/PGE) for the determination of the COVID-19 antiviral ... -
Alpha-Glucosidase Enzyme Immobilized Dextran-Co Metal Nanoparticle Cryogel Composite Systems as Dual Catalyst with Enhanced Stability and Catalytic Activity
(John Wiley and Sons Inc, 2023)Here, dextran (Dex) cryogels were prepared and used for the immobilization of α-Glu enzyme via two different techniques of entrapment and covalent linking. The entrapment of α-Glu enzyme within Dex cryogels (α-GluE@Dex) ... -
Synthesis, characterization, photophysical and surface properties of poly(amino naphthalene) and its poly(azomethine) compound
(John Wiley and Sons Inc, 2023)In this study, 8-((4-hydroxybenzylidene)amino)naphthalene-2-ol (ANAPSB) compound was synthesized from condensation reaction of 8-amino-2-naphthol (ANAP) with 4-hydroxybenzaldehyde and then ANAPSB and 8-amino-2-naphthol ... -
Effect of Gadolinium on Electrical Properties of Polyethyleneimine Functionalized and Nitrogen-Doped Graphene Quantum Dot Nanocomposite Based Diode
(John Wiley and Sons Inc, 2023)Carbon, especially graphene quantum dots (GQDs) based electronics have become an attractive technology in recent years. The controlled modification of the electrical and optoelectronic properties of GQDs by physical/chemical ... -
Preparation of cypress (Cupressus sempervirens L.) essential oil loaded poly(lactic acid) nanofibers
(De Gruyter Open Ltd, 2021)This study investigated the production of poly(lactic acid) (PLA) nanofibers containing cypress (CUP) essential oil (EO) via electrospinning. The nanofibers were produced from polymer solution prepared with different ... -
Phosphate removal by Ion exchange in batch mode
(IWA Publishing, 2021)Water with phosphate concentrations above 2 μM may adversely affect aquatic life and human health. In this study, the parameters affecting phosphate removal from aqueous solutions by ion exchange were investigated – contact ... -
Environmentally-friendly preparation of chitosan microspheres and encapsulation studies of cinnamaldehyde: Тowards convenient sustained release system for cinnamaldehyde
(Macedonian Journal of Chemistry and Chemical Engineering, 2021)Chitosan, a biodegradable and biocompatible polysaccharide, is a biopolymer with high potential for biomedical applications. In the scope of this study, chitosan microcapsules were prepared via a green method, without using ... -
Synthesis And Characterization Of Novel 1,2,3-Triazole-Bridged Oxime Polyurethanes Obtained From An Isomannide Derivative
(Macedonian Journal of Chemistry and Chemical Engineering, 2021)Polyurethanes (PUs) are synthesized by the reaction of diisocyanates and diols and are widely used in furniture foams, thermal insulation, coatings, and adhesives. In this work, a 1,2,3-triazole-bridged dioxime (compound ... -
First record of straight-needle pteropod Creseis acicula Rang, 1828 bloom in the Canakkale Strait (NE Aegean Sea, Turkey)
(De Gruyter Open Ltd, 2021)Pteropods are marine pelagic calcifier mollusks sensitive to chemical changes in seawater due to their highly soluble aragonite shells. Increased acidity (reduced pH) of seawater causes difficulties in precipitating their ... -
Improved Biomedical Properties of Polydopamine-Coated Carbon Nanotubes
(MDPI, 2021)Carbon nanotubes (CNTs) due to their outstanding mechanical, thermal, chemical, and optical properties were utilized as a base material and were coated with polydopamine (PDA) (PDA@CNT) via the simple self-polymerization ... -
A comparative view to heavy metal pollution in soil and rainwater in Çanakkale, Turkey
(ACG Publications, 2021)On Earth, atmosphere interact with crust and thus simultaneously monitoring of environmental pollution in both parts of the environment is important. Soil and rainwater samples were taken in different parts of Çanakkale, ... -
Potential Applications of Endo-beta-N-Acetylglucosaminidases From Bifidobacterium longum Subspecies infantis in Designing Value-Added, Next-Generation Infant Formulas
(Frontiers Media S.A., 2021)Human milk is the optimal source of infant nutrition. Among many other health benefits, human milk can stimulate the development of a Bifidobacterium-rich microbiome through human milk oligosaccharides (HMOs). In recent ... -
Chondroitin Sulfate-Based Cryogels for Biomedical Applications
(MDPI, 2021)Cryogels attained from natural materials offer exceptional properties in applications such as tissue engineering. Moreover, Halloysite Nanotubes (HNT) at 1:0.5 weight ratio were embedded into CS cryogels to render additional ... -
Experimental and theoretical investigation of N-(4-Nitrobenzoyl)-S-(2-hydroxyethyl)-carbamodithioate
(Taylor and Francis Ltd., 2021)The title molecule, N-(4-Nitrobenzoyl)-S-(2-hydroxyethyl)-carbamodithioate, (C10H10N2O4S2), was synthesized and its structure verified by single crystal X-ray diffraction and FT-IR, H-1-NMR, C-13-NMR spectroscopic techniques. ... -
Isolation, Chemical Composition, Physicochemical Properties, and Antibacterial Activity of Cupressus sempervirens L. Essential Oil
(Taylor and Francis Ltd., 2021)This study was carried out to examine some of the biological activities and physicochemical properties of the Cupressus sempervirens L. essential oil (EO). C. sempervirens L. EO was isolated by hydrodistillation. GC-MS was ... -
Thiophene-benzimidazolium Polymer Salts: Synthesis, Characterization, Antimicrobial Activities, and Evaluation in Terms of Occupational Health
(Polymer Society of Korea, 2021)A new thiophene benzimidazole based polymer (TBIP) was synthesized and then the TBIP-Br, TBIP-BF4 and TBIP-ClO4 polymer salts were obtained in water. All polymer salts can be dissolved in environmentally friendly solvents ... -
Degradable poly(catechin) nanoparticles as a versatile therapeutic agent
(Taylor and Francis Ltd., 2021)Poly(catechin) (p(CAT)) nanoparticles (NPs), 173 +/- 4 nm was prepared as a therapeutic agent with hydrolytic degradability affording sustainable CAT release over 20 d at carcinogenic conditions, pH 5.5 and 37.5 degrees ... -
Hydrogen purification using natural zeolite-loaded hydroxyethyl cellulose membrane
(John Wiley and Sons Ltd, 2022)In this study, natural zeolite-loaded hydroxyethyl cellulose (HEC) mixed-matrix membranes were produced and used for separation of hydrogen (H2) from carbon dioxide (CO2). Structural, thermal, and morphological properties ...
