Kimya: Recent submissions
Now showing items 61-80 of 114
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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 ... -
Tannic Acid for Simple and Highly Selective Visual Detection of Iron (II) and (III) Ions from Different Aqueous Environments
(Springer Science and Business Media Deutschland GmbH, 2021)Tannic acid (TA) was employed as a novel colorimetric iron ion sensor. TA showed highly selective recognition for only Fe2+ and Fe3+ among a range of tested metal ions such as Cr3+, Mn2+, Co2+, Ni2+, Cu2+, Zn2+, Hg2+, and ... -
Versatile poly(maltose) micro/nanoparticles with tunable surface functionality as a biomaterial
(John Wiley and Sons Inc, 2021)Maltose, a natural disaccharide, was crosslinked with divinyl sulfone to prepare poly(maltose) (p(MAL)) micro/nanoparticles via one step microemulsion system with ≥90% ± 5% yield in a size rage of 0.5–100 μm for the first ... -
Side chain functional carbazole-fluorene electroactive polymers: Optical, electrochemical properties, antimicrobial activity and thin film morphologies
(John Wiley and Sons Inc, 2021)A new electroactive polymer based on fluorene and carbazole moieties with double bond side chain (MP25) was synthesized and then double bond at the side chain was functionalized with -COOH and -Si(OEt)3 as ITO/glass ... -
PEI modified natural sands of Florida as catalysts for hydrogen production from sodium borohydride dehydrogenation in methanol
(John Wiley and Sons Ltd, 2021)Sand samples from Tampa (T) and Panama (P) City beaches in Florida were used as catalysts for dehydrogenation of NaBH4 in methanol. T and P sand samples were sieved to [removed]500 μm sizes, and the smallest fractions ... -
One step synthesis of an amino acid derived particles, poly(L-Arginine) and its biomedical application
(John Wiley and Sons Ltd, 2022)Herein, single step synthesis of poly(L-Arginine) (p(L-Arg)) particles was reported for the first time via microemulsion crosslinking method using tetrakis(hydroxymethyl) phosphonium chloride (THPC) as the crosslinking ... -
Flow injection amperometric sensing of hydroxylamine at a Cu(ii)-neocuproine-functionalized multiwalled carbon nanotube/screen printed carbon electrode
(Royal Society of Chemistry, 2021)This work describes a flow injection analysis (FIA) method for a sensitive, selective and fast detection of hydroxylamine (NH2OH) at a multiwalled carbon nanotube/screen-printed carbon electrode (MWCNT/SPCE) modified with ... -
Synthesis of poly (4-aminosalicylic acid) through enzymatic and oxidative polycondensation by H2O2 oxidant
(Springer Science and Business Media Deutschland GmbH, 2022)Aromatic compounds containing hydroxyl and amine groups in their structure are converted into oligomers or polymers through oxidative polymerization in water or organic solvent media. Again, aromatic amine or aromatic ... -
Synthesis of 1,2,3-triazole group-containing isomannide-based aromatic new polyurethanes
(Springer Science and Business Media Deutschland GmbH, 2022)Ten new carbohydrate-based aromatic polyurethanes have been synthesized using isomannide and/or a new 1,2,3-triazole isomannide derivative, IV, as the diol source in the polymerization reactions. As the isocyanate source, ... -
Quantum dots-based photoelectrochemical sensors and biosensors
(Elsevier, 2021)Photoelectrochemistry has been one of the most frequently studied branches of chemistry for the past 2 decades and its principle is based on monitoring a photocurrent generated by the irradiation of photosensitive material ...
