Kimya: Recent submissions
Now showing items 81-100 of 123
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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 ... -
Rod-like L-Aspartic acid-Cu(II) metal organic frameworks; Synthesis, characterization and biomedical properties
(Elsevier B.V., 2021)L-aspartic acid (L-AA) based MOFs were prepared from acetate, chloride, nitrate, and sulfate salts of Cu(II) ions as L-AA-Cu(II)-A,-C,-N,-S, respectively with 96.7 2.4, 89.8 3.1, 92.1 1.5, 74.6 5.2 m2/g, surface ... -
Corrosion mitigation performance of disodium EDTA functionalized chitosan biomacromolecule - Experimental and theoretical approach
(Elsevier B.V., 2021)Disodium ethylenediaminetetraacetate salt is known for its excellent coordinating properties with the metal ions. The present study deals with the investigation of the prepared Disodium EDTA functionalized chitosan in ... -
Amino-functionalized nitrogen-doped graphene quantum dots and silver-graphene based nanocomposites: Ultrafast charge transfer and a proof-of-concept study for bioimaging applications
(Elsevier B.V., 2022)Recent advances in nanotechnology have led to the use of graphene quantum dots (GQDs) for functional imaging and cancer therapy. Thanks to the physicochemical properties of graphene, GQDs have been functionalized and ... -
The effect of sulphur on the antibacterial properties of succinic acid-Cu(II) and mercaptosuccinic acid-Cu(II) MOFs
(Elsevier B.V., 2021)Microorganism such as bacteria, virus and fungi are causing significant health problems. Here, using succinic acid (SA) and mercaptosuccinic acid (MSA) as organic ligand and Cu(II) ions as complexing agent SA-Cu(II) and ... -
Novel hydrogels based on crosslinked chitosan with formyl-phosphazene using Schiff-base reaction
(Taylor & Francis Group, LLC, 2021)In this study, chitosan, an aminopolysaccharide, was reacted with phosphazene-derived crosslinker by Schiff-base reaction to yield crosslinked-chitosan hydrogel. Here, hexakis(4-formylphenoxy)cyclotriphosphazene was used ... -
HA particles as resourceful cancer, steroidal and antibiotic drug delivery device with sustainable and multiple drug release capability
(Taylor & Francis Group, LLC, 2021)Hyaluronic acid (HA) particles with divinyl sulfone (DVS) crosslinking at 10% mole ratio (HA macromolecule repeating units) were prepared and demonstrated as versatile drug carriers with sustainable and long-term release ... -
Synthesis, catalytic, cytotoxic, and antibacterial properties of new Ru(II) and Pd(II) complexes bearing bidentate Schiff base ligand
(Taylor and Francis Ltd., 2021)In the present study, new Ru(II) and Pd(II) complexes with sulfonated bidentate Schiff base ligand were synthesized and structurally characterized by NMR, FT-IR, MS spectroscopic methods. Additionally, the solid-state ... -
Target-Driven Design of a Coumarinyl Chalcone Scaffold Based Novel EF2 Kinase Inhibitor Suppresses Breast Cancer Growth In Vivo
(Amer Chemical Soc, 2021)Eukaryotic elongation factor 2 kinase (eEF-2K) is an unusual alpha kinase involved in protein synthesis through phosphorylation of elongation factor 2 (EF2). eEF-2K is highly overexpressed in breast cancer, and its activity ... -
Chemically Cross-Linked Poly(β-Cyclodextrin) Particles as Promising Drug Delivery Materials
(Amer Chemical Soc, 2021)One-pot synthesis of poly(β-cyclodextrin) (p(β-CD)) micro-/nanoparticles was accomplished using two different cross-linkers, divinyl sulfone (DVS) as p(β-CD)-1 and trimethylolpropane glycidyl ether (TMPGDE) as p(β-CD)-2. ... -
TLR2 and TLR4 molecules and antigen- presenting cell compositions in cecal tonsils of broiler chicks (Gallus gallus domesticus) in the first two weeks of the post- hatch period
(John Wiley and Sons Inc, 2022)Chickens do not have lymph nodes. Gut-associated lymphoid tissue is the major immu-nological organization for the digestive system. Cecal tonsils are an important part of this organization. This study is a descriptive and ... -
Synthesis, Molecular Structure, Biological Activity, and Sensor Properties of (E)-2-[(3,5-Bis(trifluoromethyl)phenylimino)methy1]-4,6-dichlorophenol
(Pleiades Publishing, Ltd., 2021)In the present study, a Schiff base (E)-2-[(3,5-bis(trifl uoromethyl)phenylimino)methyl]-4,6-dichlorophenol has been synthesized. Its spectroscopic and X-ray single-crystal data have been compared with the results of ...
