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Wyniki wyszukiwania dla: RESEARCH
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Results from a collective bound case studies analysis of researched Pol‐ ish metropolises for inspecting information management regarding air quality in light of information ecology
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Activation of the operational ecohydrodynamic model (3D CEMBS) – the hydrodynamic part **The original version of this paper appeared in the Geoscientific Model Development Discussion; here, we present the revised version, which takes all the reviewers’ comments into account.The study was supported by the Polish State Committee of Scientific Research (grants: N N305 111636, N N306 353239). Partial support was also provided by the Satellite Monitoring of the Baltic Sea Environment – SatBałtyk project funded by the European Union through the European Regional Development Fund contract No. POIG 01.01.02-22-011/09.
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Enigmatic 5-hydroxymethyluracil: Oxidatively modified base, epigenetic mark or both?
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Enzyme-linked carbon nanotubes as biocatalytic tools to degrade and mitigate environmental pollutants
PublikacjaA wide array of organic compounds have been recognized as pollutants of high concern due to their controlled or uncontrolled presence in environmental matrices. The persistent prevalence of diverse organic pollutants, including pharmaceutical compounds, phenolic compounds, synthetic dyes, and other hazardous substances, necessitates robust measures for their practical and sustainable removal from water bodies. Several bioremediation and...
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Modifications to the anaerobic digestion model no. 1 (ADM1) for enhanced understanding and application of the anaerobic treatment processes – A comprehensive review
PublikacjaAnaerobic digestion (AD) is a promising method for the recovery of resources and energy from organic wastes. Correspondingly, AD modelling has also been developed in recent years. The International Water Association (IWA) Anaerobic Digestion Model No. 1 (ADM1) is currently the most commonly used structured AD model. However, as substrates become more complex and our understanding of the AD mechanism grows, both systematic and specific...
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Automatic recognition of males and females among web browser users based on behavioural patterns of peripherals usage
PublikacjaPurpose The purpose of this paper is to answer the question whether it is possible to recognise the gender of a web browser user on the basis of keystroke dynamics and mouse movements. Design/methodology/approach An experiment was organised in order to track mouse and keyboard usage using a special web browser plug-in. After collecting the data, a number of parameters describing the users’ keystrokes, mouse movements and clicks...
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Bio-mitigation of organic pollutants using horseradish peroxidase as a promising biocatalytic platform for environmental sustainability
PublikacjaA wide array of environmental pollutants is often generated and released into the ecosystem from industrial and human activities. Antibiotics, phenolic compounds, hydroquinone, industrial dyes, and Endocrine-Disrupting Chemicals (EDCs) are prevalent pollutants in water matrices. To promote environmental sustainability and minimize the impact of these pollutants, it is essential to eliminate such contaminants. Although there are...
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Screen-printed Sn-doped TiO2 nanoparticles for photocatalytic dye removal from wastewater: A technological perspective
PublikacjaTiO2 is widely used as a photocatalyst with a wide band gap, which limited its application. Ion doping and formulating a high-quality screen-printing paste enhance its features. However, the printability of objects for advanced application seems essential nowadays. In this research, the Sn-doped TiO2 nanoparticles were prepared through a sol-gel method followed by calcination at various temperatures of 450 °C, 550 °C, 650 °C, 750...
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Novel strategies to enhance hydrodynamic cavitation in a circular venturi using RANS numerical simulations
PublikacjaHydrodynamic cavitation is a popular advanced oxidation technique and it has received wide range of applications from waste water treatment to the nanoparticles synthesis in recent years. The enhancement of the intensity of the hydrodynamic cavitation is always been an emerging field of research. Within this framework, we have proposed and investigated three distinct strategies to enhance the intensity of cavitation in a circular...
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Emissions and toxic units of solvent, monomer and additive residues released to gaseous phase from latex balloons
PublikacjaThis study describes the VOCs emissions from commercially available latex balloons. Nine compounds are determined to be emitted from 13 types of balloons of different colors and imprints in 30 and 60°C. The average values of total volatile organic compounds (TVOCs) emitted from studied samples ranged from 0.054 up to 7.18 μg∙g-1 and from 0.27 up to 36.13 μg∙g-1 for 30oC and 60oC, respectively. The dataset is treated with principal...
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Nanoparticles and nanofiltration for wastewater treatment: From polluted to fresh water
PublikacjaWater pollution poses significant threats to both ecosystems and human health. Mitigating this issue requires effective treatment of domestic wastewater to convert waste into bio-fertilizers and gas. Neglecting liquid waste treatment carries severe consequences for health and the environment. This review focuses on intelligent technologies for water and wastewater treatment, targeting waterborne diseases. It covers pollution prevention...
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Evaluation of bacterial strains for developing effective plant growth promoting strain on chickpea growth and physico chemical properties of soil
PublikacjaThe study was intended to isolate and characterize the plant growth-promoting properties. A collection of microbial consortia called plant growth-promoting microorganisms (PGPM) work to increase crop growth and yield through a variety of direct mechanisms, including as nitrogen fixation, phosphate solubilization, synthesis of PGH, ammonia, and siderophore, as well as indirect mechanisms. The aim of the study was to evaluate the...
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Hydrochar-nanoparticle integration for arsenic removal from wastewater: Challenges, possible solutions, and future horizon
PublikacjaArsenic (As) contamination poses a significant threat to human health, ecosystems, and agriculture, with levels ranging from 12 to 75% attributed to mine waste and stream sediments. This naturally element is abundant in Earth's crust and gets released into the environment through mining and rock processing, causing ≈363 million people to depend on As-contaminated groundwater. To combat this issue, introducing a sustainable hydrochar...
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Modelling of subarachnoid space width changes in apnoea resulting as a function of blood flow parameters
PublikacjaDuring apnoea, the pial artery is subjected to two opposite physiological processes: vasoconstriction due to elevated blood pressure and vasorelaxation driven by rising pH in the brain parenchyma. We hypothesized that the pial artery response to apnoea may vary, depending on which process dominate. Apnoea experiments were performed in a group of 19 healthy, non-smoking volunteers (9 men and 10 women). The following parameters...
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Analysis of the influence of polystyrene microplastics and their derivatives on the DNA of human colon epithelial cells HT29 with the comet assay
PublikacjaWe have been using plastic for almost a century and nowadays a lot of them circulates as pollutants in the environment and still defragmenting to micro and nanoscale. The exposition through the food chain and its precise impact on human health is still not clear. In our study, we tested real food packaging after contact with food products and real thermoinsulation and environmental samples of polystyrene in different model liquids,...
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Dew and hoarfrost frequency, formation efficiency and chemistry in Wroclaw, Poland
PublikacjaThis article presents the results of a research study concerning a comparison of frequency, formation efficiency and basic physico-chemical properties of dew and hoarfrost in urban conditions. Longer than two-year series of measurements was carried out from 1 February 2008 to 10 March 2010 in Wroclaw, Poland. Sampling of atmospheric deposits was made by means of insulated plain passive radiative condensers, which allowed to collect...
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Signatures of post-zygotic structural genetic aberrations in the cells of histologically normal breast tissue that can predispose to sporadic breast cancer
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Natural Deep Eutectic Solvents as Agents for Improving Solubility, Stability and Delivery of Curcumin
PublikacjaPurpose Study on curcumin dissolved in natural deep eutectic solvents (NADES) was aimed at exploiting their beneficial properties as drug carriers. Methods The concentration of dissolved curcumin in NADES was measured. Simulated gastrointestinal fluids were used to determine the concentration of curcumin and quantum chemistry computations were performed for clarifying the origin of curcumin solubility enhancement in NADES. Results NADES...
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Biodegradation of nodularin and effects of the toxin on bacterial isolates from the Gulf of Gdańsk
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A Range of Cancers Is Associated with the rs6983267 Marker on Chromosome 8
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Antimicrobial resistance of fecal indicators in municipal wastewater treatment plant
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Forms of mercury in the Baltic mussel (Mytilus trossulus): Human and ecosystem health risk assessment
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Assessment of the cell biovolume of phytoplankton widespread in coastal and inland water bodies
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Suicidal thoughts in persons treated for alcohol dependence: The role of selected demographic and clinical factors
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Influence of Polymorphisms in DNA Repair GenesXPD, XRCC1andMGMTon DNA Damage Induced by Gamma Radiation and its Repair in LymphocytesIn Vitro
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Deproteinated Potato Wastewater as a Sustainable Nitrogen Source in Trichosporon domesticum Yeast Lipids Biosynthesis—a Concept of Valorization of Wastewater from Starch Industry
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Impact of climate and humans on the range dynamics of the woolly mammoth (Mammuthus primigenius) in Europe during MIS 2
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Differences in the verbal fluency, working memory and executive functions in alcoholics: Short-term vs. long-term abstainers
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Empty in summer, crowded during migration? Structure of assemblage, distribution pattern and habitat use by bats (Chiroptera: Vespertilionidae) in a narrow, marine peninsula
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Relationship of ground-level aerosol concentration and atmospheric electric field at three observation sites in the Arctic, Antarctic and Europe
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Nutritional supplement attenuates selected oxidative stress markers in pediatric patients with cystic fibrosis
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Theoretical studies of the pyranose ring under mechanical stress
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UGT1A1gene polymorphism as a potential factor inducing iron overload in the pathogenesis of type 1 hereditary hemochromatosis
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Electrical signatures of Nimbostratus and Stratus clouds in ground-level vertical atmospheric electric field and current density at mid-latitude station Swider, Poland
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Quantification of Radiation-Induced Single-Strand Breaks in Plasmid DNA using a TUNEL/ELISA-Based Assay
PublikacjaWprowadzono nową metodę służącą do oznaczania in vitro pojedynczych pęknięć nici DNA powstałych pod wpływem naświetlań. Porównano wyniki otrzymane z nowej metody z modelem teoretycznym. Porównano wyniki z szeroko używaną metodą elektroforezy żelowej. Pokazano, że poziom pojedynczych pęknięć powstających w niciach DNA pod wpływem promieniowania VUV jest wyższy niż zakładany na podstawie wyników otrzymywanych metodami standardowymi.
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Comparison of nitrogen and VFA removal pathways in autotrophic and organotrophic anammox reactors
PublikacjaOrganotrophic anammox is a promising process for treating both nitrogen and organic containing wastewater than that of the traditional autotrophic anammox for sole nitrogen removal. However pathways of nitrogen removal particularly at metagenomic level in both processes are still unknown. Here we report, metabolic pathways of nitrogen removal in two lab-scale sequencing batch reactors (SBR), one autotrophic and another organotrophic...
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Mitigation effect of face shield to reduce SARS-CoV-2 airborne transmission risk: Preliminary simulations based on computed tomography
PublikacjaWe aimed to develop a model to quantitatively assess the potential effectiveness of face shield (visor) in reducing airborne transmission risk of the novel coronavirus SARS-CoV-2 during the current COVID-19 pandemic using the computational fluid dynamics (CFD) method. The studies with and without face shield in both an infected and healthy person have been considered in indoor environment simulation. In addition to the influence...
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Removal of lead ions from wastewater using lanthanum sulfide nanoparticle decorated over magnetic graphene oxide
PublikacjaIn this study, the new lanthanum sulfide nanoparticle (La2S3) was synthesized and incorporated onto magnetic graphene oxide (MGO) sheets surface to produce potential adsorbent (MGO@LaS) for efficient removal of lead ions (Pb2+) from wastewater. The synthesized MGO@LaS adsorbent was characterized using Fourier transform infrared spectroscopy, field emission scanning electron microscopy and energy-dispersive X-ray spectroscopy. The...
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Modeling nitrous oxide production by a denitrifying-enhancedbiologically phosphorus removing (EBPR) activated sludge in thepresence of different carbon sources and electron acceptors
PublikacjaIn this study, the IWA Activated Sludge Model No. 2d (ASM2d) was expanded to identify the most important mechanisms leading to the anoxic nitrous oxide (N2O) production in the combined nitrogen (N) and phosphorus (P) removal activated sludge systems. The new model adopted a three-stage denitrification concept and was evaluated against the measured data from one/two-phase batch experiments carried out with activated sludge withdrawn...
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Modeling and MANOVA studies on toxicity and endocrine potential of packaging materials exposed to different extraction schemes
PublikacjaThe stability of the linings of packaging that is in contact with the goods stored has been of major concern during decades of the development of packaging materials. In this work, an attempt was undertaken to assess the applicability of using two bioassays (Microtox® and XenoScreen YES/YAS) in estimating the stability of packaging (cans, caps, multilayer material) and the impact of their degradation on the toxicity of some simulated media....
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Usefulness of Toxoplasma gondii recombinant antigens (GRA1, GRA7 and SAG1) in an immunoglobulin G avidity test for the serodiagnosis of toxoplasmosis
PublikacjaOpisano wykorzystanie mieszanki trzech antygenów rekombinantowych (GRA1, GRA7 i SAG1) Toxoplasma gondii w serodiagnostyce toksoplazmozy z wykorzystaniem oznaczenia awidności przeciwciał klasy IgG. Zastosowana mieszanka może z powodzeniem zastąpić całkowity lizat antygenów natywnych który obecnie stosowany jest w komercyjnie dostępnych zestawach. Ponadto wykazano, że zastosowane antgeny rekombinantowe różnicują fazy choroby lepiej...
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Potent antitumor 4-methyl-1-nitroacridine C-1748 induces apoptosis only in part of colon cells
PublikacjaCelem przedstawionej pracy było zbadanie zdolności pochodnej 1-nitroakrydyny C-1748 do indukcji apoptozy komórek raka jelita grubego HCT8 i HT29 pochodzenia ludzkiego. Śmierć komórek była badana przez określony czas inkubacji komórek ze związkiem w stężeniach odpowiadających wartościom EC90 lub ich wielokrotnościom przez czas od 3 do 72 godzin. Uzyskane wyniki wskazują, że C-1748 indukuje apoptozę zależną od czasu tylko w części...
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Interstrand crosslinking of DNA by C-1311 (Symadex) and other imidazoacridinones
PublikacjaImidazoakrydony, w tym pochodna C-1311 (Symadex) znajdująca się w pierwszej fazie badań klinicznych prowadzonych w USA, należą do grupy bardzo aktywnych związków przeciwnowotworowych zsyntetyzowanych w Katedrze Technologii Leków i Biochemii PG. Za pomocą zmodyfikowanej metody Parsons'a wykazaliśmy, że C-1311 indukuje, w sposób zależny od stężenia, międzyłańcuchowe wiązania sieciujące w komórkach różnych nowotworów ludzkiego pochodzenia...
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Early stage of critical clusters growth in phenomenological and Molecular Dynamic simulation models
PublikacjaW artykule opisano wzrost klastrów krytycznych w ramach klasycznego podejścia fenomenologicznego oraz dynamiczno-molekularnego (MD). Została wyprowadzona nowa formuła opisujaca liczbę klastrów krytycznych. Sformułowano równania opisujace wczesne etapy wzrostu kropli o rozmiarach krytycznych. Opisano wyniki symulacji dynamiczno-molekularnych powstawania klastrów w jednorodnej parze przesyconej oraz podano czasowe zmiany rozkładu...
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Reassesing whole tooth electrical impedance spectroscopy measurements
PublikacjaW pracy dokonano krytycznej oceny wyników wcześniejszych badań spektorskopowych zębów przeprowadzonych w innych ośrodkach i porównano je z własnymi. Wskazano na trudności występujące podczas pomiarów.
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HPV16 E6 Gene Transcripts in Primary Type II Endometrial Carcinomas
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The propeptide of human thyroid peroxidase is not required for its cellular, enzymatic or immunological activity
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Induced Pluripotent Stem Cell (iPSC)–Derived Extracellular Vesicles Are Safer and More Effective for Cardiac Repair Than iPSCs
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Proteome Analysis of PC12 Cells Reveals Alterations in Translation Regulation and Actin Signaling Induced by Clozapine
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Coping styles and symptomatic manifestation of first-episode psychosis: Focus on cognitive performance
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