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Wyniki wyszukiwania dla: microwave solvothermal synthesis
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A versatile and convenient preparation of unsymmetrical diaryl disulfides
PublikacjaWe have developed a convenient method for the synthesis of unsymmetrical diaryl disulfides under mild conditions in excellent yields. The described method is based on the straightforward preparation of 5,5-dimethyl-2-thioxo-1,3,2-dioxaphosphorinane-2-sulfenyl bromide from readily available 5,5-dimethyl-2-thiolo-2-thioxo-1,3,2-dioxaphosphorinane or bis(5,5-dimethyl-2-thioxo-1,3,2-dioxaphosphorinan-2-yl) disulfide. The unsymmetrical...
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Bulk processing of ZnO nanostructures via microwave assisted oxidation of mechanically seeded Zn dust for functional paints and coatings
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On Rapid Design Optimization and Calibration of Microwave Sensors Based on Equivalent Complementary Resonators for High Sensitivity and Low Fabrication Tolerance
PublikacjaThis paper presents the design, optimization, and calibration of multivariable resonators for mi-crowave dielectric sensors. An optimization technique for circular complementary split ring reso-nator (CC-SRR) and square complementary split ring resonator (SC-SRR) is presented to achieve the required transmission response in a precise manner. The optimized resonators are manufac-tured using a standard photolithographic technique...
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Transition-Metal-Promoted Oxidative Cyclization To Give 1,2,4-Trisubstituted Carbazole Scaffolds
PublikacjaHerein, we describe the synthesis of a 1,2,4-trisubstituted carbazole core from 5-(1H-indol-3-yl)-3-oxopentanoic acid esters or amides. For oxidative cyclization, we tested two different approaches. First, we used manganese triacetate as a conventional moderate oxidizer to ensure the radical course of the reaction. Second, we examined the use of a more complex oxidizing agent I2/Me(OTf)3. In both cases, formation of a fused-ring...
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Effect of synthesis method parameters on properties and photoelectrocatalytic activity under solar irradiation of TiO2 nanotubes decorated with CdS quantum dots
PublikacjaThe growing research interest on photoelectrocatalysis has encouraged the search for new materials with high activity and the development of methods for their synthesis. The successive ionic layer adsorption and reaction (SILAR) method is an effective way to synthesize materials with photoelectrocatalytic (PEC) properties that are active under visible radiation. Therefore, studies on the impact of the parameters of the SILAR method...
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Modelling and optimisation of MXene-derived TiO2/Ti3C2 synthesis parameters using Response Surface Methodology based on the Box–Behnken factorial design. Enhanced carbamazepine degradation by the Cu-modified TiO2/Ti3C2 photocatalyst
PublikacjaIn the present study, a hydrothermal method in a water/ethanol environment was used for the first time to obtain novel Cu/TiO2/Ti3C2 composites with high photocatalytic activity for the degradation of carbamazepine (CBZ) under simulated solar light. The Box–Behnken factorial design was coupled with Response Surface Methodology (RSM) for synthesis parameter optimisation. The effect of different synthesis parameters, including temperature, time...
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Ultrasound assisted synthesis of 3-alkynyl substituted 2-chloroquinoxaline derivatives: Their in silico assessment as potential ligands for N-protein of SARS-CoV-2
PublikacjaIn view of recent global pandemic the 3-alkynyl substituted 2-chloroquinoxaline framework has been explored as a potential template for the design of molecules targeting COVID-19. Initial in silico studies of representative compounds to assess their binding affinities via docking into the N-terminal RNA-binding domain (NTD) of N-protein of SARS-CoV-2 prompted further study of these molecules. Thus building of a small library of...
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Synthesis, microstructure and electrical properties of nanocrystalline calcium doped lanthanum orthoniobate
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Copolymerization of Styrene and Pentadecylphenylmethacrylate (PDPMA): Synthesis, Characterization, Thermomechanical and Adhesion Properties
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Azomacrocyclic derivatives of imidazole: synthesis, structure, and metal ion complexation properties
PublikacjaOtrzymano nowe azokorony zawierające resztę imidazolu w makropierścieniu. Na drodze sprzęgania z solami diazoniowymiotrzymano pochodne imidazolu 2-metylo, 4-metylo oraz 4-fenyloimidazolu. Synteza była prowadzona w warunkach wysokiego ciśnienia. Dla 21-członowej pochodnej 4-metyloimidazolu określono strukturę jej adduktu z wodą przy pomocy metod rentgenograficznych.Zdolność kompleksowania jonów metali badano spektrofotometrycznie...
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Bulk synthesis and characteristic properties of boron nitride nanostructures: nanocapsules and nanotubes
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Metal Oxides and Low Temperature SWCNT Synthesis via Laser Evaporation
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Synthesis and electronic properties of B-doped single wall carbon nanotubes
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Nanoparticle coatings for stir bar sorptive extraction, synthesis, characterization and application
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Imprinted polymer particles for iron uptake: Synthesis, characterization and analytical applications
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Synthesis and Biological Activity of Strongly Fluorescent Tricyclic Analogues of Acyclovir and Ganciclovir
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Synthesis and singlet oxygen generation of pyrazinoporphyrazines containing dendrimeric aryl substituents
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Azomacrocyclic derivatives of imidazole: synthesis, structure, and metal ion complexation properties
PublikacjaNew azocrown ethers comprising imidazoles in the macrocycle have been synthesized. Imidazole, 2-methyl-, 4-methyl-, and 4-phenylimidazole were incorporated to form macrocyclic units by coupling with the appropriate bis-diazonium salts. The syntheseswere performed under high dilution conditions. The X-ray structure of a water adduct of the 21-membered crown ether derivative of 4-methylimidazole 8 has been solved. Metal...
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Synthesis and conformational analysis of salivary proline-rich peptide P-B
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Studies on the application of the Passerini reaction and enzymatic procedures to the synthesis of tripeptide mimetics
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CARBOCHAIN POLYMER-GLUCOSE HYBRIDS: SYNTHESIS, THERMAL/MECHANICAL PROPERTIES AND BIODEGRADABILITY
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Synthesis and characterization of resorcinol–formaldehyde resin chars doped by zinc oxide
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The activity of fused-iron catalyst doped with lithium oxide for ammonia synthesis
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Synthesis of antimicrobial silver nanoparticles through a photomediated reaction in an aqueous environment
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Synthesis, ellipsometry and non-linear optical features of substituted 1,3,5-triphenylpyrazolines
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From dolomite waste to katoite-based binder: Synthesis, performance and characterization
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Analysis of continuous-to-discrete transformation effect on a synthesis filter bank project
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Continuous and catalyst free synthesis of graphene sheets in thermal plasma jet
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Gold Nanoparticles (AuNPs)—Toxicity, Safety and Green Synthesis: A Critical Review
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Synthesis and electrochemical characterization of poly(3,4-ethylenedioxythiophene) modified by iron hexacyanocobaltate
PublikacjaPraca dotyczy sposobu syntezy oraz elektrochemicznej charakterystyki materiału kompozytowego złożonego z poli(3,4-etylenodioksytiofenu) i heksacyjanokobaltanu(III) żelaza(II). Wybrany materiał badany był przy użyciu spektroskopii impedancyjnej, chronopotencjometrii oraz woltamperometrii cyklicznej w kontakcie z elektrolitem wodnym (KCl) oraz aprotycznym (LiPF6 w mieszaninie węglanu etylenu i węglanu propylenu). Materiał charakteryzuje...
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The Chemistry of Mycophenolic Acid-Synthesis and Modifictions Towards Desired Biological Activity
PublikacjaDokonano przeglądu literatury chemicznej na temat metod syntezy kwasu mykofenolowego oraz jego pochodnych, a także zależności pomiędzy ich strukturą i aktywnością biologiczną.
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Synthesis, characterization, and electrochemical testing of carbon nanotubes derivatized with azobenzene and anthraquinone.
PublikacjaWielościenne i jednościenne nanorurki węglowe modyfikowano na ścianach bocznych związkami elektrochemicznie aktywnymi, takimi jak azobenzen i antrachinon. Funkcjonalizowane nanorurki badano technikami spektroskopowymi i elektrochemicznymi oraz wykorzystując mikroskopię elektronową. Wyniki tych badań potwierdziły chemiczną modyfikację.
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Synthesis of conjugates of amino-combretastatin with tuftsin derivatives as potential anticancer agents
PublikacjaOpisano syntezę nowych koniugatów 3'-N-(tuftsyno lub retro-tuftsyno)-amino-kombretastatyny jako potencjalnych związków przeciw-nowotworowych. Do syntezy amino-kombretastatyny (amino-CA-4) wykorzystano reakację Wittiga a koniugatów metodę DPPA. Mamy nadzieję, że połączenie pochodnych tuftsyny z amino-CA-4 wpłynie na polepszenie właściwości terapeutycznych CA-4.
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Synthesis and Study of Antifungal Properties of New Cationic Beta-Glucan Derivatives
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Pincer Complexes Based on Phosphinoaminopyridines: Synthesis, Structural Characterization and Catalytic Applications
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Novel catalysts for low temperature synthesis of single wall carbon nanotubes
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Direct synthesis of fine boron carbide powders using expanded graphite
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Synthesis and Characterization of K-Ta Mixed Oxides for Hydrogen Generation in Photocatalysis
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Synthesis and in vitro characterization of freeze-dried doxorubicin-loaded silica xerogels
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Ketoprofen-Based Ionic Liquids: Synthesis and Interactions with Bovine Serum Albumin
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Synthesis and comprehensive structural and physicochemical characterization of dutasteride hydrochloride hydrate solvates
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Gelatin nanofibers: Recent insights in synthesis, bio-medical applications and limitations
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Biodegradable macromolecular conjugates of citropin: Synthesis, characterization and in vitro efficiency study
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Star Polymers vs. Dendrimers: Studies of the Synthesis Based on Computer Simulations
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From Hollow to Solid Carbon Spheres: Time-Dependent Facile Synthesis
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Magnetic Silica Nanotubes: Synthesis, Drug Release, and Feasibility for Magnetic Hyperthermia
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Synthesis of Polylysine/Silica Hybrids through Branched-Polylysine-Mediated Biosilicification
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Template method synthesis of mesoporous carbon spheres and its applications as supercapacitors
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Recent developments in the synthesis and applications of graphene-family materials functionalized with cyclodextrins
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Synthesis and Evaluation of Biological Activity of Antimicrobial – Pro-Proliferative Peptide Conjugates
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