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Chemopreventive activity of bioactive fungal fractions isolated from milk-supplemented cultures of Cerrena unicolor and Pycnoporus sanguineus on colon cancer cells
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Structural analogues of reactive intermediates as inhibitors of glucosamine-6-phosphate synthase and phosphoglucose isomerase
PublikacjaCentra aktywne izomerazy fosfoglukozowej (PGI) oraz domeny izomerazowej (HPI) syntazy glukozamino-6-fosforanu (GlcN-6-P), wykazują podobieństwo ułożenia przestrzennego kluczowych reszt aminokwasowych, z wyjątkiem reszty Arg272 PGI i reszt Lys603 i Lys485 HPI. Dziesięć pochodnych D-heksitolo-6-P, kwasu 5-fosfoarabonowego i kwasu 6-fosfoglukonowego, strukturalnych analogów cis-enolaminy lub cis-enolanu, przypuszczalnych stanów przejściowych...
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Computational model for simulation of lifeboat motions during its launching from ship in rough seas
PublikacjaW artykule przedstawiono model obliczeniowy 3 D, opisujący ruch obiektu w 6 stopniach swobody (6DoF), do symulacji ruchu jedno- lub dwuzawiesiowej łodzi ratunkowej lub ratowniczej podczas opuszczania ze statku na wzburzonej wodzie. Jest to złożony model uwzględniający warunki morskie oraz elastyczność i własności tłumiące elementów i mechanizmów żurawika, liny oraz kadłuba łodzi. Ponadto przedstawiono przykładowe wyniki obliczeń...
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Syntheses, spectroscopic and structural properties of phenoxysilyl compounds: X-ray structures, FT-IR and DFT calculations
PublikacjaThe reaction of silicon disulfide with alkylphenols leads to tetraphenoxysilane, cyclodisilthiane and silanethiol. The products of the reaction of silicon disulfide with phenols are characterized by FT-IR, NMR, X-ray diffraction and DFT calculations. The intramolecular interactions in the compounds are mainly XH---π (X = C, S) whereas the intermolecular interactions are either very weak CH---π/CH---O contacts found in aryloxysilane...
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Badanie algorytmu identyfikacji parametrów modalnych wykorzystującego wiele rojów PSO pod kątem odporności na zakłócenia pomiarowe
PublikacjaW pracy przedstawiono wpływ zakłóceń pomiarowych na skuteczność algorytmu wykorzystującego wiele rojów PSO do identyfikacji parametrów modalnych w dziedzinie częstotliwości. W pracy przedstawiono wpływ poziomu szumu występującego w sygnale symulującym warunki pomiarowe przy rożnych poziomach zakłóceń. Ponadto otrzymane wyniki porównano z wynikami dla metod ERA i pLSCF-d. Uzyskane rezultaty wskazują, że proponowany algorytm w większości...
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Crystal structures of the Bacillus subtilis prophage lytic cassette proteins XepA and YomS
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Crystal structure and initial characterization of a novel archaeal-like Holliday junction-resolving enzyme from Thermus thermophilus phage Tth15-6
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Dimeric structure of the N-terminal domain of PriB protein from Thermoanaerobacter tengcongensis solved ab initio
PublikacjaPriB is one of the components of the bacterial primosome, which catalyzes the reactivation of stalled replication forks at sites of DNA damage. The N-terminal domain of the PriB protein from the thermophilic bacterium Thermoanaerobacter tengcongensis (TtePriB) was expressed and its crystal structure was solved at the atomic resolution of 1.09 Å by direct methods. The protein chain, which encompasses the first 104 residues of the...
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Interventions reducing car usage: Systematic review and meta-analysis
PublikacjaThis systematic literature review aimed to investigate the extent to which transport-related interventions induced a reduction in car use. Both qualitative synthesis and meta-analysis were employed. The synthesis included 31 original studies, while the meta-analysis included 21. Of the qualitatively synthesised studies, 74 % demonstrated that interventions were effective in reducing car use. The pooled estimates of the effects...
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Sustainability reporting in the airline industry: Current literature and future research avenues
PublikacjaSustainability reporting (SR) allows organisations to communicate their non-financial impacts to stakeholders. It has also become a widespread business practice in aviation, a transport sector that contributes significantly to global warming. Academia has begun to examine SR in the context of airlines surprisingly late, and no comprehensive reviews of its respective developments have been made so far. Consequently, a systematic...
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The simultaneous determination of hydrophobicity and dissociation constant by liquid chromatography–mass spectrometry
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The first order phase transition and superconductivity in BaNi2As2 single crystals
PublikacjaDyskutowane są synteza i właściwości fizyczne monokryształów BaNi2As2. BaNi2As2 krystalizuje w strukturze ThCr2Si2, a stałe sieciowe wynoszą odpowiednio: a = 4.112(4) A i c = 11.54(2) A. Pomiar oporu elektrycznego, zmiennopolowej podatności magnetycznej, ciepła właściwego, pokazują objętościowy efekt nadprzewodzący z Tc = 0.7 K.
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Photocatalytic properties of Nafion membranes containing graphene oxide/titania nanocomposites
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Scintillation light trapping and radiation damage in CeF/sub 3/
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Methods of preparation and performance of sealed gas photomultipliers for visible light
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CdWO/sub 4/ crystal in gamma-ray spectrometry
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The influence of charge compensation defects on the spectroscopic properties of europium doped Ca9Y(PO4)7
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Robust HPLC–MS/MS method for levofloxacin and ciprofloxacin determination in human prostate tissue
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Electronic and lattice properties of noncentrosymmetric superconductors ThTSi (T=Co, Ir, Ni, and Pt)
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Structural and magnetic properties of Cu-alloyed FePd films
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Polymeric nanocapsules with up-converting nanocrystals cargo make ideal fluorescent bioprobes
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Low temperature removal of SO2 traces from air by MgO-loaded porous carbons
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Influence of geometry and surface morphology of the U-tube on the fluid flow in the range of various velocities
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Projektowanie zbiornika na nieczystości ciekłe
PublikacjaW artykule przedstawiono proces projektowania zbiornika podziemnego na nieczystości ciekłe o pojemności ok. 10 m3 posadowionego na gruntach niespoistych (sypkich). Porównano wartości sił wewnętrznych w przypadku skrajnie różnych warunków gruntowych: piasku drobnego o ID = 0,2 oraz żwiru o I D = 0,7. Dodatkowo przeanalizowano wpływ modelu obliczeniowego podłoża na wyniki sił wewnętrznych. Opisano procedurę normową pozwalającą na...
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Elimination of Impulsive Disturbances From Stereo Audio Recordings Using Vector Autoregressive Modeling and Variable-order Kalman Filtering
PublikacjaThis paper presents a new approach to elimination of impulsive disturbances from stereo audio recordings. The proposed solution is based on vector autoregressive modeling of audio signals. Online tracking of signal model parameters is performed using the exponential ly weighted least squares algo- rithm. Detection of noise pulses an d model-based interpolation of the irrevocably distorted sampl es is realized using an adaptive, variable-order...
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Quality of Test Specification by Application of Patterns
PublikacjaEmbedded system and software testing requires sophisticated methods, which are nowadays frequently supported by application of test patterns. This eases the test development process and contributes to the reusability and maintainability of the test specification. However, it does not guarantee the proper level of quality and test coverage in d ifferent dimensions of the test specification. In this paper the quality of the test...
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The effects of growth conditions on superconducting properties of Nd1Ba2Cu3O7-ë single crystals.
PublikacjaW pracy przedstawiono rezultaty badan wpływu warunków wzrostu kryształów Nd1Ba2Cu3O7-d na ich własności nadprzewodzące. Kryształy hodowano metodą spontanicznego wzrostu z fazy ciekłej. Mikrostruktura kryształów została zbadana skaningowym mikroskopem elektronowym oraz skaningowym mikroskopem tunelowym. Własności nadprzewodzące badano przeprowadzając pomiary momentu magnetycznego w funkcji temperatury.W przypadku badanych kryształów...
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Numeryczna analiza wpływu kierunku rozchodzenia się fali wybuchu na krzywiznę asymetrycznie walcowanego pasma Al-Cu. Numerical analysis the influence of the direction of explosion wave at the curvature of asymmetrical rolling of bimetallic plate.
PublikacjaW artykule przedstawiono numeryczną analizę wpływu kierunku rozchodzenia się fali wybuchu na krzywiznę asymetrycznie walcowanego pasma Al-Cu. Przeprowadzono symulacje dla procesu walcowania w temperaturze 20 C. Proces walcowania prowadzono w walcarce duo D 150 mm, o prędkości obwodowej 18,5 obr/min. Badania przeprowadzono dla dwóch stosunków grubości warstw 2/10 i 4/8. Symulację procesu przeprowadzono dla trzech gniotów 10%, 20%,...
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Bernstein-type theorem for ϕ-Laplacian
PublikacjaIn this paper we obtain a solution to the second-order boundary value problem of the form \frac{d}{dt}\varPhi'(\dot{u})=f(t,u,\dot{u}), t\in [0,1], u\colon \mathbb {R}\to \mathbb {R} with Sturm–Liouville boundary conditions, where \varPhi\colon \mathbb {R}\to \mathbb {R} is a strictly convex, differentiable function and f\colon[0,1]\times \mathbb {R}\times \mathbb {R}\to \mathbb {R} is continuous and satisfies a suitable growth...
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Symmetrical power line conditioner - basic properties
PublikacjaIn this paper the basis of analytical modelling of the UPQC arrangements (Unified Power Quality Conditioner) in d-q rotating coordinates, as well as select results of investigations conducted on the simplified small power laboratory model, were talked over. In short form power balance as well as fundamental dependences and analytical model with regard of decoupling circuits, were investigated. Applied method for DC link capacitance...
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Simple sufficient condition for subspace to be completely or genuinely entangled
PublikacjaWe introduce a simple sufficient criterion, which allows one to tell whether a subspace of a bipartite or multipartite Hilbert space is entangled. The main ingredient of our criterion is a bound on the minimal entanglement of a subspace in terms of entanglement of vectors spanning that subspace expressed for geometrical measures of entanglement. The criterion is applicable to both completely and genuinely entangled subspaces. We...
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Modeling and experimental investigation of the small UPQC systems
PublikacjaIn this paper the basis of analytical modelling of the UPQC arrangements (Unified Power Quality Conditioner) in d-q rotating coordinates, as well as select results of investigations conducted on the simplified small power laboratory model were talked over. In short form power balance as well as fundamental dependences and analytic model with regard of decoupling circuits were investigated. Applied method for DC link capacity selection...
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Scientific research in the Department of Machine Design and Automotive Engineering
PublikacjaShort descriptions of various research subjects taken up at the Department of Machine Design and Automotive Engineering are included in the paper. The subjects cover a wide range of bearing systems and tribology research and the research on tires and road surfaces. A third field of activity is biomedical engineering – with the attempts to improve methods of modelling biological materials in FEM calculations. The Department has...
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MC1R common variants, CDKN2A and their association with melanoma and breast cancer risk
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Fluoride as a factor initiating and potentiating inflammation in THP1 differentiated monocytes/macrophages
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Comparative Study of Balancing SRT by Using Modified ASM2d in Control and Operation Strategy at Full-Scale WWTP
PublikacjaDetailed knowledge on the composition of the influent going into the wastewater treatment system is essential for the development of a reliable computer model. In the context of WWTPs (wastewater treatment plants), the wastewater characteristics are not only important for activated sludge system modelling, but also have an impact on the appropriate control of single unit operations. The aim of this study was to evaluate the concepts...
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The dispersive micro-solid phase extraction method for MS-based lipidomics of human breast milk*
PublikacjaA simple and rapid microextraction method ensuring high lipidome coverage was developed for liquid chromatography mass spectrometry (LC-MS)-based lipidomics of human breast milk. The dispersive microsolid phase extraction (D-µ-SPE) technique, coupled with the design of experiment (DoE) method, enabled the study of the influence of several conditions (desorption solvent, stationary phase ratio, and sorption and desorption time)...
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GIS-based hydrodynamic modeling for urban flood mitigation in fast-growing regions: a case study of Erbil, Kurdistan Region of Iraq
PublikacjaFloods threaten urban infrastructure, especially in residential neighborhoods and fast-growing regions. Flood hydrodynamic modeling helps identify flood-prone locations and improve mitigation plans' resilience. Urban floods pose special issues due to changing land cover and a lack of raw data. Using a GIS-based modeling interface, input files for the hydrodynamic model were developed. The physical basin's properties were identified...
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Experimental Investigations on the Influence of Coil Arrangement on Melting/Solidification Processes
PublikacjaThe latent heat thermal energy storage units are very popular because of their high energy density and almost close to constant temperature during the charging/discharging. In the present study has been proposed new shell-and-coil geometry with a shifted coil position to enhance the performance of phase change thermal magazine. The experimental investigations have been performed both for the melting and solidification process of...
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Potentiometric sensor with lipid-polymer membranes for quality assessment of French red wines
PublikacjaThe quality of wines resulting from vineyard management is important for consumers due to the taste and price of wines. In this work, the quality of red wines of three vintages has been investigated by potentiometric sensors with six all-solid-state electrodes. Two series of experiments were carried out. The first involved a qualitative analysis of wine of different vintages from freshly opened bottles. The second consisted of...
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Mathematical approach to design 3D scaffolds for the 3D printable bone implant
PublikacjaThis work demonstrates that an artificial scaffold structure can be designed to exhibit mechanical properties close to the ones of real bone tissue, thus highly reducing the stress-shielding phenomenon. In this study the scan of lumbar vertebra fragment was reproduced to create a numerical 3D model (this model was called the reference bone sample). New nine 3D scaffold samples were designed and their numerical models were created....
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Copper(I) iodide ribbons coordinated with thiourea derivatives
PublikacjaTwo products of the reactions of CuI with 1-benzoyl-3-(4-bromophenyl)thiourea and with 1-benzoyl-3-(2-iodophenyl)thiourea have been obtained and characterized, namely poly[[[1-benzoyl-3-(4-bromophenyl)thiourea-κS]-µ3-iodidocopper(I)] acetone hemisolvate], {[CuI(C₁₄H₁₁BrN₂OS)]‧0.5C₃H₆O}ₙ, and poly-[µ₄-iodido-µ₃-iodido-[N-(benzo[d]thiazol-2-yl)benzamide-κN]dicopper(I)], [Cu₂I₂(C₁₄H₁₀N₂OS)]ₙ. Their structures, determined by single-crystal...
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Multiuser Stereoscopic Projection Techniques for CAVE-Type Virtual Reality Systems
PublikacjaDespite the development of increasingly popular head mounted displays, CAVE-type systems may still be considered one of the most immersive virtual reality systems with many advantages. However, a serious limitation of most CAVE-type systems is the generation of a three-dimensional (3-D) image from the perspective of only one person. This problem is significant because in some applications, the participants must cooperate with each...
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Antifungal Effect of Penicillamine Due to the Selective Targeting of L-Homoserine O-Acetyltransferase
PublikacjaDue to the apparent similarity of fungal and mammalian metabolic pathways, the number of established antifungal targets is low, and the identification of novel ones is highly desirable. The results of our studies, presented in this work, indicate that the fungal biosynthetic pathway of L-methionine, an amino acid essential for humans, seems to be an attractive perspective. The MET2 gene from Candida albicans encoding L-homoserine...
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On the Trail of the Oldest Domestic Cat in Poland. An Insight from Morphometry, Ancient DNA and Radiocarbon Dating
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Accuracy Analysis of Measurements in Electrochemical Biosensing
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New fast photomultipliers with a screening grid at the anode
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Dispersing hydrophilic nanoparticles in hydrophobic polymers: HDPE/ZnO nanocomposites by a novel template-based approach
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Dipole-driven dynamics for near-threshold electron/positron interactions with pyrimidinic DNA bases: a path to compound formations
PublikacjaCalculations are reported for electron and positron scattering from isolated cytosine and thymine, where the two pyrimidinic single-ring DNA bases, in the gas-phase at energies near the elastic threshold, they reveal the special features of the dipole-driven scattering states. All molecules examined exhibit, in fact, supercritical (>1.67 D) permanent dipoles which can therefore also support, below threshold, excited bound compound...
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Comparison of EHD devices with parallel and in series spiked electrodes
PublikacjaIn this paper two electrohydrodynamic (EHD) devices for gas pumping and cleaning are presented. In both cases to induce an airflow in these EHD devices corona discharge was used. The discharge was generated between the spiked electrodes set parallel (the first case) or in series (the second case) and the plate electrodes. An asymmetric electric field and generated discharge result in unidirectional gas flow through the EHD device....