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Starch-grafted-N-vinylformamide copolymers manufactured by reactive extrusion: synthesis and characterization
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Generation and stability of N-phenacyl-4-R-pyridinium ylides in silicon polypodands
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Complexes of manganese(II) tri-tert-butoxysilanethiolate with chelating N-donor ligands.
PublikacjaTri-tert-butoksysilanotiolan manganu(II) jest związkiem wrażliwym i rozkładającym się w warunkach atmosferycznych. Z tego względu synteza jego pochodnych z chelatującymi zasadami heterocyklicznymi takimi jak 1,10-fenantrolinaza czy 2,2'-bipirydyl wydawał się dogodną metodą otrzymania bardziej stabilnych układów. Otrzymane w ten sposób krystaliczne proszki wykazują znacznie wyższą stabilność temperaturową, możliwe jest więc przechowywanie...
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Solvation of N-methylformamide by ethanol: a comparison of molecular dynamics calculations with the experimental data
PublikacjaWykonano obliczenia metodami dynamiki molekularnej dla tytułowego układu. Rezultaty porównano z uzyskanymi wcześniej wynikami pomiarów termodynamicznych oraz wnioskami z nich wyciągniętymi.
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A convenient synthesis of (S)-O-benzyl-N-tert-butoxycarbonyl-beta-tyrosine.
PublikacjaOpracowano dogodną metodę syntezy tytułowego aminokwasu z aldehydu 4-benzyloksybenzoesowego, kwasu malonowego i octanu amonu. Otrzymany aminokwasu rozdzielono na enancjomery poprzez krystalizację soli diastereoizomerycznej z kwasem L-winowym.
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The Occurrence of Cancer and of Adenomae in the Large Bowel and the Concentration of N -Nitrosamines in the Gastric Juice
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Cyanido-Bridged Clusters with Remote N-Oxide Groups for Branched Multimetallic Systems
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The existence and gas phase acidity of the HAlnF3n+1 superacids (n=1–4)
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Impedimetric sensing of α-amino acids driven by micro-patterned 1,8-Diazafluoren-9-one into titania- boron- doped maze-like nanocarbons
PublikacjaThe development of impedimetric, non-faradaic label-free sensors for the detection of α-amino acids constitutes a trailblazing technology for the fast and inexpensive quantification of such biomarkers. Since α-amino acids, such as glycine and sarcosine, are basic constituents in biological processes, a variation in their concentration may be an indicator of cardiovascular diseases and metabolic disorders or neurological conditions....
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Knowledge about coeliac disease: Results of survey conducted among persons screened using a self-administered transglutaminase-based test
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Fabrication of anti-corrosion nitrogen doped graphene oxide coatings by electrophoretic deposition
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Size Control of Cobalt-Doped ZnO Nanoparticles Obtained in Microwave Solvothermal Synthesis
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Reduction Process of Iron Catalyst Precursors for Ammonia Synthesis Doped with Lithium Oxide
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Correlations of structural, thermal and electrical properties of sodium doped complex borophosphosilicate glass
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Laser induced elastooptics in novel Bi2O3, and Pr2O3 doped tellurite rich glasses
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Optically poled SHG and THG effects in cesium doped zinc oxide nanorods
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Extraordinary Adsorption of Methyl Blue onto Sodium-Doped Graphitic Carbon Nitride
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Electrochemical oxidation of sulphamerazine at boron-doped diamond electrodes: Influence of boron concentration
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Eucalyptus derived heteroatom-doped hierarchical porous carbons as electrode materials in supercapacitors
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Identification of yellow luminescence centers in Be-doped GaN through pressure-dependent studies
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Thermoluminescence kinetics of undoped and doped (Ti, Cu, Ce) lithium aluminate crystals
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In situ optical studies of thermal stability of iodine-doped polyazomethine thin films
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Preparation and structure of nanocrystalline sol-gel derived Cu doped LiTi2O4 powders
PublikacjaAmong the spinel oxides materials, lithium titanate (Li1+xTi2-xO4 where 0 ≤ x ≤ 0.33) could be very interested from pratical applications point of view. Lithium titanate is a II type spinel oxide superconductor with relatively high (~13 K for x = 0) superconducting transition temperature Tc. Above Tc lithium titanate shows metallic behaviour and can be used e.g. as electrodes for rechargeable lithium-ion batteries. Since the discovery...
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Synthesis and Characterization of Nitrogen-doped Carbon Nanotubes Derived from g-C3N4
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Electronic structure and optical properties of boron doped single-wall carbon nanotubes
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Multifrequency Nanoscale Impedance Microscopy (m-NIM): A novel approach towards detection of selective and subtle modifications on the surface of polycrystalline boron-doped diamond electrodes
PublikacjaIn this paper, we describe the modification of Nanoscale Impedance Microscopy (NIM), namely, a combination of contact-mode atomic force microscopy with local impedance measurements. The postulated approach is based on the application of multifrequency voltage perturbation instead of standard frequency-by-frequency analysis, which among others offers more time-efficient and accurate determination of the resultant impedance spectra...
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SESSILE DROPLET CONTACT ANGLE OF WATER-Al2O3, WATER-TiO2 AND WATER-Cu NANOFLUIDS
PublikacjaThe goal of the present work was the experimental determination of the contact angle of droplets of three nanofluids on various substrates. Of particular interest was effect of nanoparticle concentration on droplet contact angle.
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Study of the influence of the matrix characteristics over the photocatalytic ozonation of parabens using Ag-TiO2
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Antibacterial activity of core-shell CuxO@TiO2 photocatalyst under UV, vis and dark
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Application of TiO2 Supported on Nickel Foam for Limitation of NOx in the Air via Photocatalytic Processes
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Copper oxide thin films as components for heterojunction formation with TiO2 for photocatalytic CO2 reduction
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Impact of TiO2 Surface Defects on the Mechanism of Acetaldehyde Decomposition under Irradiation of a Fluorescent Lamp
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Photocatalytic mineralisation of humic acids using TiO2 modified by tungsten dioxide/ hydrogen peroxide
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The Photocatalytic Performance of Benzene- Modified TiO2 Photocatalysts under UV-vis Light Irradiation
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TiO2 Processed by pressurized hot solvents as a novel photocatalyst for photocatalytic reduction of carbon dioxide
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Surface Modification of Nanocrystalline TiO2 Materials with Sulfonated Porphyrins for Visible Light Antimicrobial Therapy
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Enhanced Degradation of Ethylene in ThermoPhotocatalytic Process Using TiO2/Nickel Foam: Reaction Mechanism
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Solid Phase Photocatalytic Reaction on the Soot/TiO2 Interface: The Role of Migrating OH Radicals
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Photocatalysis Involving a Visible Light-Induced Hole Injection in a Chromate(VI)–TiO2 System
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AUGMENTATION OF THE CRITICAL HEAT FLUX IN WATER-Al2O3, WATER-TiO2 AND WATER-Cu NANOFLUIDS
PublikacjaThe main aim of the proposed study is therefore recognition of the phenomena accompanying nucleate boiling crisis of selected nanofluids during boiling on horizontal tubes of various outside diameters. Of particular interest is impact of contact angle and tube diameter on the value of critical heat flux. The results obtained should give more light on the nature of nucleate boiling crisis and will serve as a basis for future theoretical...
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Monometallic nanoparticles decorated and rare earth ions doped KTaO3/K2Ta2O6 photocatalysts with enhanced pollutant decomposition and improved H2 generation
PublikacjaNew, monometallic nanoparticles (MNPs) decorated surface and rare earth (RE) ions doped lattice of perovskite-type (KTaO3)/pyrochlore-type (K2Ta2O6) photocatalysts were successfully prepared by facile hydrothermal incorporation of RE ions into KTaO3/K2Ta2O6 lattices followed by photodeposition of MNPs. The impact of noble metal type (MNPs = Au, Pt, Rh) and rare earth dopant type (RE = Er, Pr) on the physicochemical properties correlated...
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Rare earth ions doped K 2 Ta 2 O 6 photocatalysts with enhanced UV–vis light activity
PublikacjaNew rare earth-doped K2Ta2O6 photocatalysts were successfully synthesized by hydrothermal method. The effect of dopant type (Y,Yb,Ho,Pr,Er) and amount of rare earth precursor (2,4,8 and 10 mol%) on the physicochemical and photocatalytic properties of RE-K2Ta2O6 have been investigated. All as-prepared materials were characterized by UV–vis diffuse reflectance spectroscopy, Brunauer-Emmett-Teller specific surface area measurement,...
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Effective anti-plane properties of piezoelectric fibrous composites
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Dipole matrix for the 2D inclusions close to circular
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New synthesis route of highly porous InxCo4Sb12 with strongly reduced thermal conductivity
PublikacjaHighly porous, In-filled CoSb3 skutterudite materials with an attractive thermoelectric figure of merit (ZT * 1) and corresponding dense samples were fabricated through the cost-effective method of reduction in oxides in dry hydrogen and the pulsed electric current sintering (PECS) method, respectively. The reduction process was described in detail using in situ thermogravimetric analysis of Co2O3, Sb2O3 and In(NO3)35H2O separately...
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Dendron to Central Core S1–S1 and S2–Sn (n>1) Energy Transfers in Artificial Special Pairs Containing Dendrimers with Limited Numbers of Conformations
PublikacjaTwo dendrimers consisting of a cofacial free-base bisporphyrin held by a biphenylene spacer and functionalized with 4-benzeneoxomethane (5-(4-benzene)tri-10,15,20-(4-n-octylbenzene)zinc(II)porphyrin) using either five or six of the six available meso-positions, have been synthesized and characterized as models for the antenna effect in Photosystems I and II. The presence of the short linkers, -CH2O-, and long C8H17 soluble side...
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Understanding ion–ion and ion–solvent interactions in aqueous solutions of morpholinium ionic liquids with N-acetyl-L-alaninate anion through partial molar properties and molecular dynamics simulations
PublikacjaAmino acid ionic liquids (AAILs) provide a low toxicity, biodegradable alternative to conventional ionic liquids, while also maintaining solubility in water. Densities and sound velocities of aqueous solutions of four amino acid ionic liquids (AAILs), based on the N-alkyl-N-methylmorpholinium ([Mor1,R], R = 2, 3, 6, 8) cation and N-acetyl-L-alaninate ([N-Ac-L-Ala]) anion were measured at T = (293.15–313.15) K and at atmospheric...
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Conformational studies of vasopressin analogues modified with N-methylphenylalanine enantiomers in dimethyl sulfoxide solution
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Influence of the substituent on amide nitrogen atom of N-acetyl tyrosine on interactions with β-cyclodextrin
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N-way modelling of sediment monitoring data from Mar Menor lagoon, Spain
PublikacjaW artykule przedstawiono zastosowanie modelowania typu Tucker3 dla danych pochodzących z monitorowania chemizmu osadów obszaru laguny Mar Menor w Hiszpanii. Celem badania jest modelowanie i interpretacja frakcjonowania metali ciężkich w materii zawieszonej i frakcjach osadów wynikających z procesów sedymentacyjnych. Modelowanie ma na celu oszacowanie ryzyka środowiskowego ponieważ działalność ludzka ma znaczny wpływ na stan laguny....