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Wyniki wyszukiwania dla: MANOVA
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Expert consensus for the diagnosis and treatment of patient with hyperuricemia and high cardiovascular risk
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Renal artery denervation for treatment of patients with self-reported obstructive sleep apnea and resistant hypertension
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Genes regulating programmed cell death are significantly upregulated in porcine immature oocytes
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Generating actionable evidence from free-text feedback to improve maternity and acute hospital experiences: A computational text analytics & predictive modelling approach
PublikacjaBackground Patient experience surveys are a key source of evidence for supporting decision-making and quality improvement in healthcare services. These surveys contain two main types of questions: closed and open-ended, asking about patients’ care experiences. Apart from the knowledge obtained from analysing closed-ended questions, invaluable insights can be gleaned from free-text data. Advanced analytics techniques are increasingly...
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Tin Oxide Encapsulated into Pyrolyzed Chitosan as a Negative Electrode for Lithium Ion Batteries
PublikacjaTin oxide is one of the most promising electrode materials as a negative electrode for lithium-ion batteries due to its higher theoretical specific capacity than graphite. However, it suffers lack of stability due to volume changes and low electrical conductivity while cycling. To overcome these issues, a new composite consisting of SnO2 and carbonaceous matrix was fabricated. Naturally abundant and renewable chitosan was chosen...
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Mechanisms of Damage to DNA Labeled with Electrophilic Nucleobases Induced by Ionizing or UV Radiation
PublikacjaHypoxia—a hallmark of solid tumors—makes hypoxic cells radioresistant. On the other hand, DNA, the main target of anticancer therapy, is not sensitive to the near UV photons and hydrated electrons, one of the major products of water radiolysis under hypoxic conditions. A possible way to overcome these obstacles to the efficient radio- and photodynamic therapy of cancer is to sensitize the cellular DNA to electrons and/or ultraviolet...
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The Use of Calcium Phosphate-Based Starter Pellets for the Preparation of Sprinkle IR MUPS Formulation of Rosuvastatin Calcium
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Analysis of expression of genes responsible for regulation of cellular proliferation and migration – microarray approach based on porcine oocyte model
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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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Wystawa zbiorowa "Póki my żyjemy" na 9. Triennale Młodych w Orońsku
PublikacjaPóki my żyjemy Jesteśmy świadomi zmiany na naszej planecie i czujemy się za nią odpowiedzialni. Dopóki tu jesteśmy mamy głos i możemy zmieniać rzeczywistość. Mamy prawo poruszać wszystkie ważne tematy dotyczące tego kim jesteśmy i jak będzie wyglądać nasza przyszłość. Wraz z artystami i artystkami tworzymy wystawę opierająca się na sztuce, która jest zarówno reakcją jak i działaniem wobec tego zwrotu. Nasz świat będzie istniał...
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Prezentacja działa "Największe słońce widziane z ziemi, dotyka naszej relacji" na 9. Triennale Młodych w Orońsku "Póki my żyjemy"
PublikacjaPóki my żyjemy Jesteśmy świadomi zmiany na naszej planecie i czujemy się za nią odpowiedzialni. Dopóki tu jesteśmy mamy głos i możemy zmieniać rzeczywistość. Mamy prawo poruszać wszystkie ważne tematy dotyczące tego kim jesteśmy i jak będzie wyglądać nasza przyszłość. Wraz z artystami i artystkami tworzymy wystawę opierająca się na sztuce, która jest zarówno reakcją jak i działaniem wobec tego zwrotu. Nasz świat będzie istniał...
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Electron-Induced Decomposition of Uracil-5-yl O-(N,N-dimethylsulfamate): Role of Methylation in Molecular Stability
PublikacjaThe incorporation of modified uracil derivatives into DNA leads to the formation of radical species that induce DNA damage. Molecules of this class have been suggested as radiosensitizers and are still under investigation. In this study, we present the results of dissociative electron attachment to uracil-5-yl O-(N,N-dimethylsulfamate) in the gas phase. We observed the formation of 10 fragment anions in the studied range of electron...
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5-Selenocyanato and 5-trifluoromethanesulfonyl derivatives of 2′-deoxyuridine: synthesis, radiation and computational chemistry as well as cytotoxicity
Publikacja5-Selenocyanato-2′-deoxyuridine (SeCNdU) and 5-trifluoromethanesulfonyl-2′-deoxyuridine (OTfdU) have been synthesized and their structures have been confirmed with NMR and MS methods. Both compounds undergo dissociative electron attachment (DEA) when irradiated with X-rays in an aqueous solution containing a hydroxyl radical scavenger. The DEA yield of SeCNdU significantly exceeds that of 5-bromo-2′-deoxyuridine (BrdU), remaining...
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Recycling of Industrial Waste as Soil Binding Additives—Effects on Soil Mechanical and Hydraulic Properties during Its Stabilisation before Road Construction
PublikacjaTo improve the in situ soil stabilization, different chemical additives are used (ion exchange compounds, additives based on H2SO4 or vinyl polymers, and organic additives using lignosul- fonates). One interesting alternative is the production of additives from various waste materials. The extensive testing of waste-based blends with soil was performed; the mechanical (unconfined compressive strength (UCS)) and hydraulic (capillary...
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Olfactory Dysfunction in Patients With Relapsing-Remitting Multiple Sclerosis Treated With Disease-Modifying Therapies
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Identification and management of the hypertensive patient with elevated heart rate: statement of a European Society of Hypertension Consensus Meeting
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Position paper on the management of patients with obstructive sleep apnea and hypertension
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Recommendations for the management of patients with obstructive sleep apnoea and hypertension
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Andrzej Czyżewski prof. dr hab. inż.
OsobyProf. zw. dr hab. inż. Andrzej Czyżewski jest absolwentem Wydziału Elektroniki PG (studia magisterskie ukończył w 1982 r.). Pracę doktorską na temat związany z dźwiękiem cyfrowym obronił z wyróżnieniem na Wydziale Elektroniki PG w roku 1987. W 1992 r. przedstawił rozprawę habilitacyjną pt.: „Cyfrowe operacje na sygnałach fonicznych”. Jego kolokwium habilitacyjne zostało przyjęte jednomyślnie w czerwcu 1992 r. w Akademii Górniczo-Hutniczej...
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Sonochemical Based Processes for Treatment of Water and Wastewater
PublikacjaSonochemical Based Processes for Treatment of Water and Wastewater - Opportunities and Challenges – A Future Perspective.
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Cytocompatibility, antibacterial, and corrosion properties of chitosan/polymethacrylates and chitosan/poly(4‐vinylpyridine) smart coatings, electrophoretically deposited on nanosilver‐decorated titania nanotubes
PublikacjaThe development of novel implants subjected to surface modification to achieve high osteointegration properties at simultaneous antimicrobial activity is a highly current problem. This study involved different surface treatments of titanium surface, mainly by electrochemical oxidation to produce a nanotubular oxide layer (TNTs), a subsequent electrochemical reduction of silver nitrate and decoration of a nanotubular surface with...
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The role of isolated farmsteads in the open landscape protection on the example of Kashubia
PublikacjaAs a result of the social and economic transformation of rural areas, open landscapes are disappearing. Former farmsteads are being devastated or beginning to lose their landscape context due to the spread of residential building development. At the same time, in many places, the farmstead form is clearly legible and remains an element with which the view is structured and enriched. The article was aimed at drawing attention to...
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A novel method for drop in drop edible oils encapsulation with chitosan using a coaxial technique
Dane BadawczeThe dataset present a novel one step method for oil encapsulation. In this coaxial system the oil constitutes the core of the capsule, while the chitosan solution is the polymer shell surrounding the core to provide separation of the core from the external environment. In comparison to other encapsulation methods, the presented technique is much simpler...
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Sensory analysis of confectionery products.
Dane BadawczeThe data set presents the results of the sensory analysis of confectionery products, which was carried out by the sensory profiling analysis method based on the PN-ISO 11035: 1999 standard – “Sensory analysis - Identification and selection of descriptors for determining the sensory profile using multivariate methods”. The method was used to evaluate...
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Evaluation of antimicrobial properties of thermomelt adhesives modified with zinc compounds
Dane BadawczeThe dataset contains the results of microbiological tests of thermomelt adhesives modified with zinc compounds, whose activity was assessed for their ability to reduce the number of Escherichia coli and Staphylococcus aureus strain, representing the Gram (-) and Gram (+) bacteria, respectively. The evaluation of antimicrobial properties of samples were...
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Evaluation of the content of zinc compounds in polyethylene films using scanning electron microscopy
Dane BadawczeThe dataset contains the results of in the form of micrographs made using a scanning electron microscope (SEM) S–3400N (Hitachi, Hyogo, Japan) using backscattered electron (BSE) detector. SEM was equipped with tungsten filament. The accelerating voltage was 25 kV. Utilization of BSE detector allowed to increase the contrast of local areas varying in...
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Steroidogenesis in the skin: Implications for local immune functions
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Obtaining and Characterization of the PLA/Chitosan Foams with Antimicrobial Properties Achieved by the Emulsification Combined with the Dissolution of Chitosan by CO2 Saturation
PublikacjaA new method of obtaining functional foam material has been proposed. The materials were created by mixing the poly lactic acid (PLA) solution in chloroform, chitosan (CS) dissolved in water saturated with CO2 and polyethylene glycol (PEG), and freeze-dried for removal of the solvents. The composite foams were characterized for their structural (SEM, FT-IR, density, porosity), thermal (DSC), functional (hardness, elasticity, swelling...
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Obtaining and Characterization of the PLA/Chitosan Foams with Antimicrobial Properties Achieved by the Emulsification Combined with the Dissolution of Chitosan by CO2 Saturation
PublikacjaA new method of obtaining functional foam material has been proposed. The materials were created by mixing the poly lactic acid (PLA) solution in chloroform, chitosan (CS) dissolved in water saturated with CO2 and polyethylene glycol (PEG), and freeze-dried for removal of the solvents. The composite foams were characterized for their structural (SEM, FT-IR, density, porosity), thermal (DSC), functional (hardness, elasticity, swelling...
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Antimicrobial and antioxidant activities of Cinnamomum cassia essential oil and its application in food preservation
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Hypertension and atrial fibrillation
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Blood pressure control and cardiovascular risk profile in hypertensive patients from central and eastern European countries: results of the BP-CARE study
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Ribes nigrum L. Extract-Mediated Green Synthesis and Antibacterial Action Mechanisms of Silver Nanoparticles
PublikacjaSilver nanoparticles (Ag NPs) represent one of the most widely employed metal-based engineered nanomaterials with a broad range of applications in different areas of science. Plant extracts (PEs) serve as green reducing and coating agents and can be exploited for the generation of Ag NPs. In this study, the phytochemical composition of ethanolic extract of black currant (Ribes nigrum) leaves was determined. The main components...
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Polityka, prestiż i odreagowanie. Dom jednorodzinny w okresie transformacji
PublikacjaPolskie mieszkalnictwo stanowiło jeden z obszarów odzwierciedlających polityczno-gospodarcze zmiany po 1989 roku. Niespotykana wcześniej wolność wyboru oraz szybki wzrost zamożności przedefiniowały aspiracje mieszkaniowe Polaków. Zanim zniknęła żelazna kurtyna, Polacy żyli w opierającym się na medialnym przekazie przeświadczeniu, że na „mitycznym” Zachodzie każdy posiada dom i samochód. Te wzorce, w zestawieniu z błyskawicznym...
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Microwave radiation in the synthesis of urethane prepolymers
PublikacjaThis paper describes the use of microwave radiation in the synthesis of urethane prepolymers in bulk (without solvent). The prepolymers were synthesized using 1,6-hexamethylene diisocyanate (HDI) and poly (ε-caprolactone) diol (PCL) at a molar ratio of 4:1. The reaction was carried out without a catalyst in the reactor with a conventional heating system (oil bath) or in the microwave reactor (MW Reactor NOVA 09) at temperatures...
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Epithelium morphogenesis and oviduct development are regulated by significant increase of expression of genes after long-term in vitro primary culture – a microarray assays
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Metody matematyczne w chemii 2024 lato
Kursy OnlineWprowadzenie do programowania w Pythonie (zmienne, instrukcje sterujące, funkcje, reprezentacje macierzy i operacje na nich) Podejście numeryczne do rozwiązywania równań różniczkowych i modelowania procesów Markova; proste modele opisujące: kinetykę bistabilnych reakcji wielosubstratowych, termodynamikę dimeryzacji, kooperatywność na poziomie molekularnym Zagadnienie własne: podstawy analizy głównych składowych i teorii Huckla, kwantowochemiczne...
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Bożena Kostek prof. dr hab. inż.
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Biological Activity and Antibiofilm Molecular Profile of Citrus aurantium Essential Oil and Its Application in a Food Model
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Anti-Helicobacter pylori activities of selected N-substituted cinnamamide derivatives evaluated on reference and clinical bacterial strains
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First Report of the Global SYMPLICITY Registry on the Effect of Renal Artery Denervation in Patients With Uncontrolled Hypertension
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Osteoblast and bacterial cell response on RGD peptide‐functionalized chitosan coatings electrophoretically deposited from different suspensions on Ti13Nb13Zr alloy
PublikacjaMetallic materials for long-term load-bearing implants still do not provide high antimicrobial activity while maintaining strong compatibility with bone cells. This study aimed to modify the surface of Ti13Nb13Zr alloy by electrophoretic deposition of a chitosan coating with a covalently attached Arg-Gly-Asp (RGD) peptide. The suspensions for coating deposition were prepared in two different ways either using hydroxyacetic acid...
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The effect of roasting beetroot and chicory on the anti-oxidative activity of their extracts
Dane BadawczeThe eThe data set presents the results of the assessment of the impact of roasting raw materials in the form of beetroot and chicory on their antioxidant activity measured by the standard ABTS and DPPH radical tests. The numerical results were compared with the visual assessment of the roasted raw materials. The obtained results confirmed the increase...
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Determination of changes in viscosity of hydrogel depending on shear rate (1.1 to 55 s-1).
Dane BadawczeThe rheological characteristics of hydrogel were made on the basis of a viscosity measurement using a Brookfield viscometer, using LV SC4 - 25 spindle and shear rates from 1.1 to 55 s-1.
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Determination of changes in viscosity of refined oil depending on the temperature (19-96 Celsius degrees).
Dane BadawczeThe rheological characteristics of the refined oil were made on the basis of the viscosity assessment using a Brookfield viscometer with an LV SC4 - 18 spindle and a shear rate of 52.8 s-1 in from temperature 19-96 °C.
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Determination of changes in viscosity of hydrogel depending on shear rate (1.7 to 34 s-1).
Dane BadawczeThe rheological characteristics of hydrogel were made on the basis of a viscosity measurement using a Brookfield viscometer, using LV SC4 - 27 spindle and shear rates from 1.7 to 34 s-1.
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The assessment of microbiological antimicrobial properties of PE film loaded with nanozinc filler
Dane BadawczeThe dataset contains the results of a single series of determinations of the antimicrobial properties against E. coli and S. aureus of polyethylene films containing the nanozinc filler.
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Determination of changes in viscosity of hydrogel depending on shear rate (6.6 to 330 s-1).
Dane BadawczeThe rheological characteristics of hydrogel were made on the basis of a viscosity measurement using a Brookfield viscometer, using LV SC4 - 18 spindle and shear rates from 6.6 to 330 s-1.
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The effect of changes in the concentration of hydroxypropylcellulose on the rheological stability of pectin hydrogels.
Dane BadawczeThe rheological characteristics of the pectin hydrogel modified by hydroxypropylcellulose (added in a concetration range from 0.1 to 0.55% m/m) were made on the basis of the viscosity assessment using a Brookfield viscometer with an LV SC4 - 25 spindle and a shear rate of 0,22 s-1 in the temperature range 19-96 ° C.The data allowed selection of optimal...
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Katedra chemii, technologii i biotechnologii żywności
Zespoły Badawcze* Biochemiczne i funkcjonalne właściwości składników żywności oraz ich chemiczne i enzymatyczne modyfikacje * Łagodne przetwarzanie żywności * Bezpieczeństwo zdrowotne żywności * Analiza żywności * Reologia żywności * Związki aktywne biologicznie pochodzenia roślinnego