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Search results for: REACTIVE OXYGEN SPECIES
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Distribution of Relaxation Times analysis results of impedance measured at 700 °C on porous SrTi0.50Fe0.50O3-d oxygen electrodes sintered at different temperatures
Open Research DataThis dataset contains results of Distribution of Relaxation Times analysis (DRT) of impedance of symmetrical cells with porous SrTi0.50Fe0.50O3-d oxygen electrodes sintered at different temperatures (800 °C, 900 °C and 1000 °C). Electrochemical impedance spectroscopy were measured at 700 °C (syntetic air). The DRTTools Matlab GUI, available from prof....
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Distribution of Relaxation Times analysis results of impedance measured at 700 °C on porous SrTi0.65Fe0.35O3-d oxygen electrodes sintered at different temperatures
Open Research DataThis dataset contains results of Distribution of Relaxation Times analysis (DRT) of impedance of symmetrical cells with porous SrTi0.65Fe0.35O3-d oxygen electrodes sintered at different temperatures (800 °C, 900 °C and 1000 °C). Electrochemical impedance spectroscopy were measured at 700 °C (syntetic air). The DRTTools Matlab GUI, available from prof....
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Electrochemical impedance spectroscopy spectra measured at 800 °C, 750 °C and 700 °C on porous SrTi0.50Fe0.50O3-d oxygen electrode sintered at 800 °C
Open Research DataThis dataset contains results electrochemica impedance spectroscopy (EIS) of symmetrical cells with porous SrTi0.50Fe0.50O3-d oxygen electrodes sintered at 800 °C. EIS spectra were measured at 800 °C; 750°C and 700 °C (synthetic air). Results converted to electrode surfaces area and dived by two electrodes.
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Electrochemical impedance spectroscopy spectra measured at 800 °C, 750 °C and 700 °C on porous SrTi0.65Fe0.35O3-d oxygen electrode sintered at 800 °C
Open Research DataThis dataset contains results electrochemica impedance spectroscopy (EIS) of symmetrical cells with porous SrTi0.65Fe0.35O3-d oxygen electrodes sintered at 800 °C. EIS spectra were measured at 800 °C; 750°C and 700 °C (synthetic air). Results converted to electrode surfaces area and dived by two electrodes.
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Electrochemical impedance spectroscopy spectra measured at 800 °C, 750 °C and 700 °C on porous SrTi0.30Fe0.70O3-d oxygen electrode sintered at 800 °C
Open Research DataThis dataset contains results electrochemica impedance spectroscopy (EIS) of symmetrical cells with porous SrTi0.30Fe0.70O3-d oxygen electrodes sintered at 800 °C. EIS spectra were measured at 800 °C; 750°C and 700 °C (synthetic air). Results converted to electrode surfaces area and dived by two electrodes.
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Comparisson of area specific resistance of the SrTi1-xFexO3-d porous oxygen electrodes and state-of-the-art LSCF sintered at optimal conditions
Open Research DataIn this dataset are presented results of the polarization resistance of optimaly sintered SrTi1-xFexO3-d porous oxygen electrodes in symetrical cell (1000 °C; 800 °C and 800°C respectively x = 0.35; 0.50 and 0.70). For commparison were selected commercially avilable state-of-the-art LSCF (Europa) sintered at 1050 °C. The measurement temperature range...
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Synergistic effect of nanoscale carbon black and ammonium polyphosphate on improving thermal stability and flame retardancy of polypropylene: A reactive network for strengthening carbon layer
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Constructing multifunctional nanofiller with reactive interface in PLA/CB-g-DOPO composites for simultaneously improving flame retardancy, electrical conductivity and mechanical properties
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NUMERICAL ANALYSIS OF SPECIES DIFFUSION AND METHANOL DECOMPOSITION IN THERMOCATALYTIC REACTOR BASED ON THE INTERMETALLIC PHASE OF Ni3Al FOR LOW REYNOLDS NUMBERS
PublicationNumerical modelling of hydrogen production by means of methanol decomposition in a thermocatalytic reactor using corrugated foil made of the Ni3Al intermetallic phase is shown in the paper. Experimental results of the flow analysis of mixtures containing helium and methanol in a thermocatalytic reactor with microchannels were used for the initial calibration of the CFD calculations (calculations based on the Computational Fluid...
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Occurrence of fungi and cytotoxicity of the species: Aspergillus ochraceus, Aspergillus niger and Aspergillus flavus isolated from the air of hospital wards
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How the toxicity of nanomaterials towards different species could be simultaneously evaluated: a novel multi-nano-read-across approach
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Methylmercury and total mercury content in soft tissues of two bird species wintering in the Baltic Sea near Gdansk, Poland
PublicationOf the various forms of Hg occurring in nature, (mono) methylmercury (MeHg) is an especially toxic form and practically all forms of Hg can be converted into MeHg as a result of natural processes. Total mercury (THg) and MeHg were determined in tissues of two piscivorous birds: razorbill Alca torda and black-throated loon Gavia arctica to provide baseline data on current mercury concentrations for liver, kidneys and pectoral muscle...
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MRM–MS of marker peptides and their abundance as a tool for authentication of meat species and meat cuts in single-cut meat products
PublicationThe abundance of protein markers in different types of meat cuts was explored in the context of authentication of raw meat (pork, beef and chicken) and processed meat products. Peptides originating from myoglobin (Mb) and myosin (My) were analyzed using multiple reaction monitoring mass spectrometry (MRM–MS). Analytical protocol was optimized for good repeatability (CV < 10%) and high sensitivity. The MS signal intensity of Mb...
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Genes regulating biochemical pathways of oxygen metabolism in porcine oviductal epithelial cells during long-term IVC
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Structure and characterization of physicochemical and magnetic properties of new complex containing monobridged oxygen copper(II) dinuclear cation
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Oxygen release from BaLnMn2O6 (Ln: Pr, Nd, Y) under reducing conditions as studied by neutron diffraction
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Crystal structure and proton conductivity in highly oxygen-deficient Ba1−xLax(In,Zr,Sn)O3−δ perovskites
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Nitrogen/Oxygen Enriched Hierarchical Porous Carbons Derived from Waste Peanut Shells Boosting Performance of Supercapacitors
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Benthic fluxes of oxygen and nutrients under the influence of macrobenthic fauna on the periphery of the intermittently hypoxic zone in the Baltic Sea
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Nickel Nanoparticles Encapsulated in Nitrogen‐Doped Carbon Nanofibers as Excellent Bifunctional Catalyst for Hydrogen and Oxygen Evolution Processes
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Correction: New insights into the role of lattice oxygen in the catalytic carbonization of polypropylene into high value-added carbon nanomaterials
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SEM images of Solid Oxide Fuel Cell interface with La0.6Sr0.4Co0.2Fe0.8O3-δ oxygen electrodes sintered at 1050 °C before and after test
Open Research DataThis dataset contains cross section SEM images of Solid Oxide Fuel Cell interface with La0.6Sr0.4Co0.2Fe0.8O3-δ oxygen electrode sintered at 1050 °C before and after test. The cell was tested using Open Flanges™ test Set-up at 700 °C. During the test, the cell was aged for approximately 120 hours at a load of 0.5 A/cm^2. Images were obtained using...
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SEM images of Solid Oxide Fuel Cell interface with Sr0.95Ti0.30Fe0.70O3-d oxygen electrodes sintered at 800 °C before and after test
Open Research DataThis dataset contains cross section SEM images of Solid Oxide Fuel Cell interface with Sr0.95Ti0.30Fe0.70O3-d oxygen electrode sintered at 800 °C before and after test. The cell was tested using Open Flanges™ test Set-up at 700 °C. During the test, the cell was aged for approximately 120 hours at a load of 0.5 A/cm^2. Images were obtained using a FEI...
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Reactive metabolites of acridinone antitumor agents, C-1311 and C-1305, are trapped within the active site of CYP1A2 and CYP3A4, causing irreversible enzymes inactivation
PublicationZwiązki C-1305 i C-1311, zsyntetyzowane w Katedrze Technologii Leków i Biochemii, wykazują najsilniejsze właściwości przeciwnowotworowe wśród pochodnych, odpowiednio, triazolo- i imidazoakrydonu. Obecnie prowadzone są badania mające na celu określenie biochemicznego mechanizmu działania, jak również potencjalnych szlaków biotransformacji C-1305 i C-1311.W bieżącym etapie podjęto próbę określenia mechanizmu obserwowanej inhibicji...
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Reactive construction of catalytic carbonization system in PP/C60/Ni(OH)2 nanocomposites for simultaneously improving thermal stability, flame retardancy and mechanical properties
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Genetic identification of a non-native species introgression into wild population of the field cricket Gryllus campestris (Orthoptera: Gryllidae) in Central Europe
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Atmospheric Pressure Glow Discharges Generated in Contact with Flowing Liquid Cathode: Production of Active Species and Application in Wastewater Purification Processes
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Polymorphic microsatellite markers demonstrate hybridization and interspecific gene flow between lumbricid earthworm species, Eisenia andrei and E. fetida
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Determination of Butyltin Species in Sea Water Samples Using Solid Phase Extraction Followed by Liquid Chromatography - Tandem Mass Spectrometry
PublicationReverse phase liquid chromatography (RP-HPLC)-electrospray ionization-tandem mass spectrometry (ESI-MS-MS) was evaluated for the analysis of TBT using solid phase extraction as sample preparation method. TBT was extracted from acidified water samples (spiked with tripropyltin as internal standard) using reversed phase polymeric Strata-X cartridges. Analytes were eluted from cartridges using acetonitrile-water mixture and the volume...
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Prevalence of Closely Related Candida albicans Species among Patients with Vulvovaginal Candidiasis in Southern Poland Based on the hwp1 Gene Amplification
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Oznaczanie tlenu – od metody Winklera do czujników enzymatycznych (Determination of oxygen – from Winkler Method to enzymatic sensor)
PublicationMonitoring of dioxygen levels is of utmost importance from the view-point of life processes, medical diagnostics, nutrition and chemical industries. In all these measurements both low and high levels of this element are important. The common methods for the determination of dioxygen are the Winkler method, Clark electrode and pulsoxymeters. A new, already strong field of research can be now recognized – the development of miniaturized...
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Microporous N-Doped Carbon Obtained from Salt Melt Pyrolysis of Chitosan toward Supercapacitor and Oxygen Reduction Catalysts
PublicationThe direct carbonization of low-cost and abundant chitosan biopolymer in the presencesalt eutectics leads to highly microporous, N-doped nanostructures. The microporous structureeasily manufactured using eutectic mixture (ZnCl2 -KCl) and chitosan. Potassium ions here can act as an intercalating agent, leading to the formation of lamellar carbon sheets, whereas zinc chloride generates significant porosity. Here, we present an efficient...
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N-doped mesoporous carbon nanosheets obtained by pyrolysis of a chitosan–melamine mixture for the oxygen reduction reaction in alkaline media
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Morphology and dispersion of nanostructured manganese–cobalt spinel on various carbon supports: the effect on the oxygen reduction reaction in alkaline media
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Phosphorus, nitrogen and oxygen co-doped polymer-based core-shell carbon sphere for high-performance hybrid supercapacitors
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Red phosphorus as self-template to hierarchical nanoporous nickel phosphides toward enhanced electrocatalytic activity for oxygen evolution reaction
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Robust and highly efficient electrocatalyst based on ZIF-67 and Ni2+ dimers for oxygen evolution reaction: In situ mechanistic insight
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Fitted impedance spectra of a symmetrical porous Sr0.86Ti0.65Fe0.35O3 oxygen electrode (sintered at 1000 °C, measured at 700 °C and 0.1% pO2) with an individual contributions of the respective fitting elements
Open Research DataThis dataset contains exemplary impedance spectra (measured at 700 °C and 0.1% pO2) for porous Sr0.86Ti0.65Fe0.35O3 oxygen electrode sintered at 1000 °C. Results of symmetric cell impedance measurement were converted to electrode surfaces area and dived by two electrodes. Dataset conatins also fitting results and individual contributions of the respective...
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Fitted impedance spectra of a symmetrical porous Sr0.86Ti0.65Fe0.35O3 oxygen electrode (sintered at 1000 °C, measured at 800 °C and 0.1% pO2) with an individual contributions of the respective fitting elements
Open Research DataThis dataset contains exemplary impedance spectra (measured at 800 °C and 0.1% pO2) for porous Sr0.86Ti0.65Fe0.35O3 oxygen electrode sintered at 1000 °C. Results of symmetric cell impedance measurement were converted to electrode surfaces area and dived by two electrodes. Dataset conatins also fitting results and individual contributions of the respective...
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Electrolytic deposition of reactive element thin films on Crofer 22 APU and evaluation of the resulting high-temperature corrosion protection properties at 700 °C–900 °C
PublicationThis article presents electrolytic deposition of thin Rare Earth (RE) coatings on Crofer 22 APU stainless steel substrates for high temperature applications, such as interconnects in solid oxide cell stacks. The deposition of coatings based on yttrium-, gadolinium-, lanthanum-, and cerium nitrates is discussed. The high temperature corrosion properties of surface-modified steels were examined using thermogravimetry and electrical...
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A significance of multi slip condition for inclined MHD nano-fluid flow with non linear thermal radiations, Dufuor and Sorrot, and chemically reactive bio-convection effect
PublicationThe aim of this research is to discuss the significance of slip conditions for magnetized nanofluid flow with the impact of nonlinear thermal radiations, activation energy, inclined MHD, sorrot and dufour, and gyrotactic micro motile organisms over continuous stretching of a two-dimensional sheet. The governing equations emerge in the form of partial differential equations. Since the resultant governing differential equations...
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Electron Density from Balmer Series Hydrogen Lines and Ionization Temperatures in Inductively Coupled Argon Plasma Supplied by Aerosol and Volatile Species
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Antrakofilne gatunki Macromycetes w Lasach Oliwskich (Trójmiejski Park Krajobrazowy) = Anthracophilous species of Macromycetes in the Oliwskie Foresrs (Trójmiejski Ladscape Park)
PublicationW Lasach Oliwskich (Północna Polska), w miejscach wypalania drewna stwierdzono kilka gatunków macromycetes zaliczanych do grzybów antrakofilnych, np. Lyophyllum antracophilum, Faerberia carbonaria, Geopyxis carbonaria i in. Sprządzono krótką charakterystykę tych taksonów, podano położenie ich stanowisk.
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Texture or Linker? Competitive Patterning of Receptor Assembly toward Ultra-Sensitive Impedimetric Detection of Viral Species at Gold-Nanotextured Titanium Surfaces
PublicationIn this work, we study the electrodes with a periodic matrix of gold particles pattered by titanium dimples and modified by 3-mercaptopropionic acid (MPA) followed by CD147 receptor grafting for specific impedimetric detection of SARS-CoV-2 viral spike proteins. The synergistic DFT and MM/MD modeling revealed that MPA adsorption geometries on the Au–Ti surface have preferential and stronger binding patterns through the carboxyl...
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Oxygen Aspects in the High-Pressure and High-Temperature Sintering of Semiconductor Kesterite Cu2ZnSnS4 Nanopowders Prepared by a Mechanochemically-Assisted Synthesis Method
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Differential cross section for electron impact excitation of the a1 δ g state of molecular oxygen in the 15-180° angular range.
PublicationZmierzono absolutne różniczkowe przekroje czynne na wzbudzeniu drobin tlenu do poziomu oscylacyjnego v=0 stanu a1 δ g. Pomiary wykonano dla energii elektronów równej 10eV w zakresie kątów rozproszenia od 15° do 180°.
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Determination of oxygen saturation and photosensitizer accumulation in the tumor with the help of LEDand laser diode-based irradiation sources and fiber-optics probes
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Effective calcium doping at the B-site of BaFeO3−δ perovskite: towards low-cost and high-performance oxygen permeation membranes
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Optimizing the Copper Content in GdBa0.5Sr0.5Co2-XCuxO5+δ Double Perovskites as the High Performance Oxygen Electrodes for Reversible Solid Oxide Cells
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Optimizing the Copper Content in GdBa0.5Sr0.5Co2-XCuxO5+δ Double Perovskites as the High Performance Oxygen Electrodes for Reversible Solid Oxide Cells
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