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Search results for: FLUORESCENCE NITROGEN-VACANCY NANODIAMONDS OCHRATOXIN A CALF THYMUS DNA UV–VIS SPECTROSCOPY
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Obliczenia numeryczne konstrukcji dna jachtu podczas wejścia na mieliznę
PublicationPozytywne zmiany w dostępie do żeglarstwa, które dokonały się w ostatnim dziesięcioleciu spowodowały wzrost liczby osób uprawiających ten sport. Przepisy, wg których projektowane są jachty nie stawiają żadnych wymagań wytrzymałości konstrukcji na wypadek kolizji jednostki z dnem. Z doświadczenia wiadomo, że wejście jachtu na piaszczystą mieliznę nie musi powodować uszkodzeń, jednak kolizja z podwodną skałą w szkierach szwedzkich...
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Maintenance and stabilization of mtDNA can be facilitated by the DNA-binding activity of Ilv5p
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Characterization of DNA Polymerase from Thermus thermophilus MAT72 Phage Tt72
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Mitochondrial DNA of Anisakis simplex S.S. as a Potential Tool for Differentiating Populations
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Novel Method of Identifying DNA Methylation Fingerprint of Acute Myeloid Leukaemia
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Direct cloning of heavy metal resistance genes from metagenomic DNA
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Considerations and consequences of allowing DNA sequence data as types of fungal taxa
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Induced circularly polarized luminescence for revealing DNA binding with fluorescent dyes
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Regulation of the switch from early to late bacteriophage λ DNA replication
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Diagnosis of Brain Tumors Through Global Specific DNA Methylation Analysis
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Molecular Diagnostics of Brain Tumours by Measuring the 5-Methylcytosine Level in Their DNA
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P04.06 Temozolomide influence on global DNA methylation in glioblastoma cell lines
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Effects of Base π-Stacking on Damage to DNA by Low-Energy Electrons
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Trójwymiarowe obrazowanie dna morskiego ze szczególnym uwzględnieniem wód płytkich
PublicationW ostatnim dziesięcioleciu nabrały znaczenia obserwacje szerokokątne (ang. swath scan) przy pomocy sonarów bocznych i sonarów wielowiązkowych. Wynikiem pomiarów dokonywanych przy pomocy sonarów wielowiązkowych jest jednak duża liczba danych geoprzestrzennych o precyzyjnie określonej referencji geograficznej, charakteryzujących się zróżnicowaną dynamiką i posiadających zróżnicowaną rozdzielczość. Stwarza to problemy w procesie...
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Cross section calculations for electron scattering from DNA and RNA bases.
PublicationPoliczono różniczkowy i scałkowany przekrój czynny na rozproszenie sprężyste elektronów (w przybliżeniu atomów niezależnych) na uracylu, cytozynie, guaninie, adeninie i tyminie w zakresie energii od 50-4000 eV. W przybliżeniu modelu BEB policzono również przekroje czynne na jonizację tych molekuł.
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Relationship between selected DNA polymorphisms and coronary artery disease complications
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Przetwarzanie i analiza obrazów sonarowych powierzchni dna basenu portowego
PublicationW artykule przedstawiono problemy związane z poszukiwaniem obiektów zalegających na dnie basenu portowego.
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Representing and Managing Experiential Knowledge with Decisional DNA and its Drimos® Extension
PublicationThe Semantic Web concept is proposing a future concept of the WorldWideWeb (WWW) where both humans and man-made systems are able to interconnect and exchange knowledge. One of the challenges of Semantic Web is smart and trusted accommodation of knowledge in artificial systems so it can be unified, enhanced, reused, shared, communicated and distributed with added aptitude. Our research represents an important component of addressing...
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Thermodynamic Studies of Interactions between Sertraline Hydrochloride and Randomly Methylated β-Cyclodextrin Molecules Supported by Circular Dichroism Spectroscopy and Molecular Docking Results
PublicationThe interaction between sertraline hydrochloride (SRT) and randomly methylated β-cyclodextrin (RM β CD) molecules have been investigated at 298.15 K under atmospheric pressure. The method used—Isothermal Titration Calorimetry (ITC) enabled to determine values of the thermodynamic functions like the enthalpy (DH), the entropy (DS) and the Gibbs free energy (DG) of binding for the examined system. Moreover, the stoichiometry coefficient...
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Why do G-quadruplexes dimerize through the 5’-ends? Driving forces for G4 DNA dimerization examined in atomic detail
PublicationG-quadruplexes (G4) are secondary structures formed by guanine-rich nucleic acid sequences and shown to exist in living cells where they participate in regulation of gene expression and chromosome maintenance. G-quadruplexes with solvent-exposed guanine tetrads show the tendency to associate together through cofacial stacking, which may be important for packaging of G4-forming sequences and allows for the design of higher-order...
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Monometallic nanoparticles decorated and rare earth ions doped KTaO3/K2Ta2O6 photocatalysts with enhanced pollutant decomposition and improved H2 generation
PublicationNew, 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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Coordination polymers of Fe(iii) and Al(iii) ions with TCA ligand: distinctive fluorescence, CO2uptake, redox-activity and oxygen evolution reaction
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Unusual fluorescence anisotropy spectra of three-component donor-mediator-acceptor systems in uniaxially stretched polymer films in the presence of energy transfer
PublicationW pracy analizowano transfer energii w układzie donor-mediator-akceptor w osiowo rozciąganych foliach polimerowych. Stwierdzono, że informacja zawarta w orientacji wektora pola elektrycznego wiązki światła wzbudzającego układ jest zachowana po zajściu procesu transferu energii pomiędzy molekułami w foliach rozciąganych. Natomiast w foliach nierozciąganych fluorescencja mediatora i akceptora jest bardzo silnie zdepolaryzowana.
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One- and two-photon induced fluorescence of Pacific Blue-labeled human serum albumine deposited on different core size silver colloids
PublicationPublikacja opisuje jedno i dwufotonowo indukowaną Fluorescencje znakowanej barwnikiem ''Pacific Blue'' ludzkiej albuminy osadzonej na srebrnych koloidach różnych rozmiarów
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Anion recognition by n,n'-diarylalkanediamides
PublicationThe preparation of N,N'-diarylalkanediamides from respective aliphatic dicarboxylic acidesand 4-nitroaniline via microwave-promoted reactions is presented. The most positive effect of microwave irradiation was observed for N,N'-bis(4-nitrophenyl)butanediamide. Anion binding studies on the obtained diamides were carried out in DMSO and acetonitrile using UV-vis and 1H NMR spectroscopy. A mechanism for selective fluoride recognition...
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In situ study of a composition of outlet gases from biogas fuelled Solid Oxide Fuel Cell performed by the Fourier Transform Infrared Spectroscopy
PublicationThe purpose of this study was to develop a method and software based on the Fourier Transform Infrared Spectroscopy for the in-situ, quantitative analysis of the composition of outlet gases from Solid Oxide Fuel Cell (SOFC). The calibration procedure performed at the beginning of the experiment indicated a polynomial dependence between the concentration of a calibrating gas (CO, CO2, CH4) and the corresponding integrated absorbance in...
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Enhanced photocatalytic properties of lanthanide-TiO2 nanotubes: An experimental and theoretical study
PublicationA series of Er-, Yb-, Ho-, Tb-, Gd-, Pr-TiO2 nanotubes (RE-NTs) was prepared via an electrochemical method. The as-prepared photocatalysts were characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), UV–vis absorption, scanning electron microscopy (SEM) and luminescent spectroscopy. The experiments demonstrated that toluene in the gas phase was successfully degraded under visible light (LEDs λmax = 465...
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Evaluation of mercury content in combustible tobacco products by employing cold vapor atomic absorption spectroscopy and considering the moisture content: a comprehensive study
PublicationPlants are mainly made up of water, which constitutes between 80 and 90% of their weight. Moisture factor comes across as one of the most important in tobacco products. Rapid determination of moisture content in tobacco products comes at neces- sity in any tobacco management plants (before and after production). Therefore, the concern has been raised in this study to evaluate the moisture content in four kinds of combustible tobacco...
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Laser-Assisted Synthesis and Oxygen Generation of Nickel Nanoparticles
PublicationNowadays, more than ever, environmental awareness is being taken into account when it comes to the design of novel materials. Herein, the pathway to the creation of a colloid of spherical, almost purely metallic nickel nanoparticles (NPs) through pulsed laser ablation in ethanol is presented. A complex description of the colloid is provided through UV-vis spectroscopy and dynamic light scattering analysis, ensuring insight into...
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Cation sensing by diphenyl-azobenzocrowns
PublicationMetal cations complexation and proton binding by 13- and 16-membered diphenyl-azobenzocrowns and diphenyl-hydroxyazobenzocrowns were studied in acetonitrile using spectroscopic methods: UV–vis spectroscopy, spectrofluorimetry, and 1H NMR spectroscopy. Phenyl moieties in benzene rings were found to affect binding strength alkali and alkaline earth metal cations and hydrogen ion, and affect tautomeric equilibrium of hydroxyazobenzocrowns....
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Lanthanide co-doped TiO2: the effect of metal type and amount on surface properties and photocatalytic activity
PublicationPreparation of new rare earth metal-containing TiO2 nanocomposites (Nd3+/Er3+, Nd3+/Eu3+, Eu3+/Ho3+-TiO2) using sol–gel route and their photoactivity under visible and ultraviolet light is reported. The obtained photocatalysts were subsequently characterized by Brunauer–Emmett–Teller (BET) method, UV–Vis diffuse-reflectance spectroscopy (DRS), luminescence spectroscopy, X-ray photoelectron spectroscopy (XPS) and X-ray powder diffraction...
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Multimateriałowe oraz wielokolorowe drukowanie wysokiej jakości części z żywic utwardzanych światłem UV w technologii PolyJet
PublicationMożliwość budowania multimateriałowych oraz wielokolorowych elementów stanowi ważny trend w rozwoju technologii żywicznych druku 3D. W niniejszym opracowaniu skupiono się na charakterystyce podstawowej metody przetwarzającej ciekłe fotopolimery – technologii PolyJet. Omówiono zasadę jej działania oraz najważniejsze aspekty procesu dotyczące m.in. parametrów drukarki, stosowanych struktur podporowych oraz rodzaju uzyskiwanej powierzchni...
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The kinetics of phenol decomposition under UV irradiation with and without H2O2 on TiO2, Fe–TiO2 and Fe–C–TiO2 photocatalysts
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Influence of pH of sol-gel solution on phase composition and photocatalytic activity of TiO 2 under UV and visible light
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RP-HPLC WITH DETECTION BY MEANS OF ESI-MS AND UV FOR IDENTIFICATION OF CHROMATOGRAPHIC PEAKS OF SOME HYDROXY DERIVATIVES OF EPOXY RESIN
PublicationThe composition of products synthesized on the basis of ED-24 epoxy resin has been studied using a reversed phase high-performance liquid chromatography followed by an electrospray ionization mass spectrometry (RP-HPLC/ESI-MS). The synthesized products contain free hydroxy groups and such groups, as epoxy, peroxy, carboxy or acrylate.
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On the mechanism of photocatalytic reactions on CuxO@TiO2 core–shell photocatalysts
PublicationTitania (titanium(IV) oxide) is a highly active, stable, cheap and abundant photocatalyst, and is thus commonly applied in various environmental applications. However, two main shortcomings of titania, i.e., charge carrier recombination and inactivity under visible-light (vis) irradiation, should be overcome for widespread commercialization. Accordingly, titania has been doped, surface modified and coupled with various ions/compounds,...
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Biomass Production and Removal of Nitrogen and Phosphorus from Processed Municipal Wastewater by Salix schwerinii: A Field Trial
PublicationIn many Baltic regions, short-rotation willow (Salix spp.) is used as a vegetation filter for wastewater treatment and recycling of valuable nutrients to upsurge bioeconomy development. In this context, a four-year field trial (2016–2019) was carried out near a wastewater treatment plant in eastern Finland (Outokumpu) to investigate the effect of the processed wastewater (WW) on biomass production as well as the nutrients uptake...
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Kinetics of the Organic Compounds and Ammonium Nitrogen Electrochemical Oxidation in Landfill Leachates at Boron-Doped Diamond Anodes
PublicationElectrochemical oxidation (EO) of organic compounds and ammonium in the complex matrix of landfill leachates (LLs) was investigated using three different boron-doped diamond electrodes produced on silicon substrate (BDD/Si)(levels of boron doping [B]/[C] = 500, 10,000, and 15,000 ppm—0.5 k; 10 k, and 15 k, respectively) during 8-h tests. The LLs were collected from an old landfill in the Pomerania region (Northern Poland) and were...
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Evaluation of the simultaneous removal of organic matter, nitrogen and suspended solids in a sshf constructed wetland in capinha, Portugal
PublicationCelem pracy była ocena systemu hydrofitowego z podpowierzchniowym przepływem wody (SSHF) usytuowanego w miejscwości Capinha w Portugalii, głównie pod względem usuwania substancji organicznej oraz związków azotu. Podczas czteromiesięcznego monitoringu obiekt wykazał niereguralność w suswaniu zawiesiny ogólnej oraz substancjo organicznej wyrażonej w ChZT. Szybkość usuwania zanieczyszczeń organicznych wynosiła 28 g ChZT/m2d. Uzyskaną...
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Core-shell cobalt particles Co@CoO loaded on nitrogen-doped graphene for photocatalytic water-splitting
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Weather Conditions, Orchard Age and Nitrogen Fertilization Influences Yield and Quality of ‘Łutówka’ Sour Cherry Fruit
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Effect of Nitrogen Fertilization in the Sour Cherry Orchard on Soil Enzymatic Activities, Microbial Population, and Fruit Quality
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Low-cost nitrogen-doped activated carbon prepared by polyethylenimine (PEI) with a convenient method for supercapacitor application
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Formation of nitrogen functionalities in biochar materials and their role in the mitigation of hazardous emerging organic pollutants from wastewater
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Optimization of the Aeration Strategies in a Deammonification Sequencing Batch Reactor for Efficient Nitrogen Removal and Mitigation of N2O Production
PublicationIn deammonification systems, nitrite-oxidizing bacteria (NOB) suppression and nitrous oxide (N2O) mitigation are two important operational objectives. To carry out this multivariable analysis of response, a comprehensive model for the N cycle was developed and evaluated against experimental data from a laboratory-scale deammonification granular sludge sequencing batch reactor. Different aeration strategies were tested, and the manipulated...
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THE EVALUATION OF THE ABRASIVE WEAR OF THE TI13Nb13ZR ALLOY IMPLANTED BY NITROGEN IONS FOR FRICTION COMPONENTS OF THE HIP JOINT ENDOPROSTHESES
PublicationZ uwagi na potrzeby społeczne, a zwłaszcza rosnące zapotrzebowanie na endoprotezy stawów biodrowego i kolanowego oraz uwzględniając fakt, że procesy tribologiczne odgrywają wiodącą rolę w procesie utraty stabilności endoprotez ortopedycznych i decydują o ich trwałości, uznano za celowe przeprowadzenie oceny wpływu implantacji jonowej na zużycie ścierne biostopu Ti13Nb13Zr. Do badań wykorzystano pary trące: nieimplantowany stop...
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Efficient Method for the Concentration Determination of Fmoc Groups Incorporated in the Core-Shell Materials by Fmoc–Glycine
PublicationIn this paper, we described the synthesis procedure of TiO2@SiO2 core-shell modified with 3-(aminopropyl)trimethoxysilane (APTMS). The chemical attachment of Fmoc–glycine (Fmoc–Gly–OH) at the surface of the core-shell structure was performed to determine the amount of active amino groups on the basis of the amount of Fmoc group calculation. We characterized nanostructures using various methods: transmission electron microscope...
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Carbon nanotube based dielectric spectroscopy of tumor secretion; electrochemical lipidomics for cancer diagnosis
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Characterization of various Eu2+ sites in Ca2SiO4:Eu2+ and Ba2SiO4:Eu2+ by high-pressure spectroscopy
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High-pressure spectroscopy characterisation of LiSc(WO4)2 crystals doped with trivalent chromium
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