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Search results for: RETARDED POTENTIALS
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Sperm Antioxidant Biomarkers and Their Correlation with Clinical Condition and Lifestyle with Regard to Male Reproductive Potential
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Mineral Composition and Antioxidant Potential in the Common Poppy (Papaver rhoeas L.) Petal Infusions
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Potential pitfalls of propofol target controlled infusion delivery related to its pharmacokinetics and pharmacodynamics
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Efficient parallel algorithms in global optimization of potential energy functions for peptides, proteins, and crystals
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Potential fertilizing properties of sewage sludge treated in the Sludge Treatment Reed Beds (STRB)
PublicationIn research the fertilizer value of sludge from reed beds is evaluated based on the sampling sludge on different depths from 4 Danish STRB after long periods of stabilization. The dewatering efficiency of sewage sludge in the STRB is comparable to mechanical dewatering. The long-term stabilization of sewage sludge progressively decreases the concentration of organic matter due to the process of humification. The aim of the work...
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The influence of selenium addition during germination of Brassica seeds on health-promoting potential of sprouts
PublicationThe correlation among selenium uptake, the content of bioactive compounds in sprouts, and biological activities triggered in cultured human cells by sprout extracts was investigated. Seeds of Brassica crops and rye were treated with SeO2 water solution. The selenium levels in sprouts increased from 1.0-4.1 to 53.3-382 μg/g dw with no influence on plant physiology according to the indices used. Neither the composition of glucosinolates...
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Potential applications of by-products from the coffee industry in polymer technology – Current state and perspectives
PublicationCoffee is one of the most popular beverages in the world, and its popularity is continuously growing, which can be expressed by almost doubling production over the last three decades. Cultivation, processing, roasting, and brewing coffee are known for many years. These processes generate significant amounts of by-products since coffee bean stands for around 50% of the coffee cherry. Therefore, considering the current pro-ecological...
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What Potential Entrepreneurs from Generation Y and Z Lack-IEO and the Role of EE
PublicationThis paper addresses the issue of individual entrepreneurship orientation (IEO) and entrepreneurship education (EE), which are both important for modern economic development. Intergenerational differences in these areas were discussed, especially characteristics of Generations Y and Z. The results of research conducted among 757 Polish students showing their IEO are presented. 80% of respondents displayed high levels of proactivity...
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The Potential of Improving Air Quality by Urban Mobility Management: Policy Guidelines and a Case Study
PublicationThere is a growing recognition among planners and policy makers that proper transformation of urban mobility systems is crucial to the reduction of air pollution emission. The main objective of the work was to review the current urban mobility strategies in the city of Gdańsk, Poland in terms of their potential for the improvement of urban air quality. Firstly, general policy guidelines for mobility systems were formulated based...
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Triazoloacridone C-1305 impairs XBP1 splicing by acting as a potential IRE1α endoribonuclease inhibitor
PublicationInositol requiring enzyme 1 alpha (IRE1α) is one of three signaling sensors in the unfolding protein response (UPR) that alleviates endoplasmic reticulum (ER) stress in cells and functions to promote cell survival. During conditions of irrevocable stress, proapoptotic gene expression is induced to promote cell death. One of the three signaling stressors, IRE1α is an serine/threonine-protein kinase/endoribonuclease (RNase) that...
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Insights into the Thermo-Mechanical Treatment of Brewers’ Spent Grain as a Potential Filler for Polymer Composites
PublicationThis paper investigated the impact of twin-screw extrusion parameters on the properties of brewers’ spent grain. The chemical structure, antioxidant activity, particle size, and color properties, as well as the emission of volatile organic compounds during extrusion, were investigated. The main compounds detected in the air during modifications were terpenes and terpenoids, such as α-pinene, camphene, 3-carene, limonene, or terpinene....
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The potential of imogolite nanotubes as (co-)photocatalysts: a linear-scaling density functional theory study
PublicationWe report a linear-scaling density functional theory (DFT) study of the structure, wall-polarization absolute band-alignment and optical absorption of several, recently synthesized, open-ended imogolite (Imo) nanotubes (NTs), namely single-walled (SW) aluminosilicate (AlSi), SW aluminogermanate (AlGe), SW methylated aluminosilicate (AlSi-Me), and double-walled (DW) AlGe NTs. Simulations with three different semi-local and dispersion-corrected...
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Cell Wall Epitopes and Endoploidy as Reporters of Embryogenic Potential in Brachypodium Distachyon Callus Culture
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Skin cancer, including related pathways and therapy and the role of luteolin derivatives as potential therapeutics
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Potential negative effect of long-term exposure to nitrofurans on bacteria isolated from wastewater
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The enhancement of anti-staphylococcal potential of plant derived naphthoquinones as a result of combination with silver nanoparticles
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Synthesis of analogues of anthraquinones linked to tuftsin or retro-tuftsin residues as potential topoisomerase inhibitors
PublicationZsyntetyzowano 10 nowych analogów antrachinonów z pochodnymi tuftsyny i retro-tuftsyny jako potencjalne inhibitory topoizomerazy. Substratem wyjściowym były zsyntetyzowane 1,4-, 1,5- i 1,8-bis(tosyloksy)-9,10-antrachinony oraz odpowiednio chronione pochodne tuftsyny i retro-tuftsyny, które otrzymano metodą mieszanych bezwodników z zastosowaniem chloromrówczanu izobutylu i NMM. Reakcje prowadzone były w acetonitrylu pod azotem w...
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Cellular Turnover: A Potential Metabolic Rate–Driven Mechanism to Mitigate Accumulation of DNA Damage
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Potential threat to Polish lakes and reservoirs from contamination by objects of environmental flood risk
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Sustainable polylysine conversion to nitrogen‐containing porous carbon flakes: Potential application in supercapacitors
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Sustainable recycling of waste polystyrene into hierarchical porous carbon nanosheets with potential applications in supercapacitors
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Role of Myeloid-derived suppressor cell (MDSC) in autoimmunity and its potential as a therapeutic target
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Metabolomic approach for determination of urinary nucleosides as potential tumor markers using electromigration techniques
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Silver Nanoparticles as Chlorhexidine and Metronidazole Drug Delivery Platforms: Their Potential Use in Treating Periodontitis
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Liquid chromatography tandem mass spectrometry study of urinary nucleosides as potential cancer markers
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Analysis of urinary nucleosides as potential cancer markers determined using LC–MS technique
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Lipoic Acid-Coated Silver Nanoparticles: Biosafety Potential on the Vascular Microenvironment and Antibacterial Properties
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Statistical-based approach in potential diagnostic application of urinary nucleosides in urogenital tract cancer
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Potential of Biocellulose Carrier Impregnated with Essential Oils to Fight Against Biofilms Formed on Hydroxyapatite
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Potential of Novel Bacterial Cellulose Dressings Chemisorbed with Antiseptics for the Treatment of Oral Biofilm Infections
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Photosensitizing potential of tailored magnetite hybrid nanoparticles functionalized with levan and zinc (II) phthalocyanine
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Spray-Dried Potato Juice as a Potential Functional Food Component with Gastrointestinal Protective Effects
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Synthesis of new conjugates of MDP and nor-MDP with retro-tuftsin derivatives as potential immunomodulators
PublicationZsyntetyzowano nowe analogi muramylodipeptydu (MDP) i nor-muramylo-dipeptydu (nor-MDP) z pochodnymi retro-tuftsyny jako potencjalne immunomodulatory. Przedstawiono także syntezę odpowiednich pochodnych retro-tuftsyny. Do syntezy wykorzystano metodę mieszanych bezwodników z chloromrówczanem izobutylu i N-metylomorfoliną w bezwodnym DMF.
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Polysaccharide films modified by compounds of natural origin and silver having potential medical applications
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The impact of environmental water on the potential application of core−shell titania−silica nanospheres as photocatalysts
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Temperature and potential-dependent structural changes in Pt cathode electrocatalyst viewed by in situ XAFS
PublicationW pracy przedstawiono wyniki badań widm absorpcji promieniowania rentgenowskiego nano-platyny używanej jako katalizator w katodach polimerowych ogniw paliwowych (PEM FC). Badania XAFS realizowane były w warunkach pracy ogniwa paliwowego. Wysokiej jakości widma, uzyskane za pomocą specjalnie przygotowanej do pomiarów XAFS in situ komórki FC, umożliwiły przeprowadzenie zaawansowanej analizy obrazującej zmiany w lokalnej strukturze...
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Cameras, microphones, and data storage in current monitoring systems.Technology trends, problems and potential solutions
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From polymer waste to potential main industrial products: Actual state of recycling and recovering
Publicationlastics have become widely used materials in everyday life due to their special properties such as durability, easy processing, light-weight and low-cost of production. However, because of their stable and non-biodegradable nature, postconsumer plastics become an issue to the environment. The growing amounts of waste are generated, as plastic products are commonly used only once before disposal. The alternatives of practical techniques...
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Assessment of toxic and endocrine potential of substances migrating from selected toys and baby products
PublicationAnalysis of literature data shows that there is limited information about the harmful biological effects of mixture of compounds from the EDC group that are released from the surface of toys and objects intended for children and infants. One of the tools that can be used to obtain such information is appropriate bioanalytical tests. The aim of this research involved determining whether tests that use living organisms as an active...
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Development of potential candidate reference materials for drugs in bottom sediment, cod and herring tissues
PublicationRegular use of a reference material and participation in a proficiency testing program can improve the reliability of analytical data. This paper presents the preparation of candidate reference materials for the drugs metoprolol, propranolol, carbamazepine, naproxen, and acenocoumarol in freshwater bottom sediment and cod and herring tissues. These reference materials are not available commercially. Drugs (between 7 ng/g and 32...
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Interatomic potential suitable for the modeling of penta-graphene: Molecular statics/molecular dynamics studies
PublicationWe test the potentials available for elemental carbon, with the scope to choose the potential suitable for the modeling of penta-graphene, the latest two dimensional carbon allotrope. By using molecular statics and molecular dynamics simulations we show that there is only one potential e namely the Tersoff-type potential proposed by Erhart and Albe in 2005 e which is able to correctly describe all the important features of penta-graphene....
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Assessing Acute Toxicity and Endocrine Disruption Potential of Selected Packages Internal Layers Extracts
PublicationThe focus of the present study is migration of toxic substances from food contact materials and its actual influence on the health of the final consumer. Two food packagings (metal cans, TetraPack®) and five simulants medias (water, ethanol, acetic acid, DMSO, artificial saliva) were selected for simulation studies. For assessment of acute toxicity and endocrine disruption potential of extract samples, two biotests (Microtox® and...
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Elementary analysis and energetic potential of the municipal sewage sludges from the Gdańsk and Kościerzyna WWTPs
PublicationThis paper aims to present municipal sewage sludge (MSS) elementary analysis and energetic potential based on measurement of heat of combustion (higher heating value HHV) and calculation of calorific values (lower heating value LHV). The analysis takes into the consideration water content in sewage sludge, at different utilization stages, in wastewater treatment plants in Gdańsk Wschód and Kościerzyna – Pomeranian Voivodeship....
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Methodology for implementing power plant efficiency standards for power generation: potential emission reduction
PublicationSome methods of generating power such as power generation through coal, natural gas, oil result in inevitable emissions of greenhouse gases. While power generation is necessary due to its increasing demand, it is important for power companies to generate their power in an efcient manner to reduce its efect on the environment. One of the most efective ways of tackling inefciency issues is through the implementation of efciency standard....
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Possible schemes of photoassociation processes in the KLi molecule with newly calculated potential energy curves
PublicationWe present four promising schemes for photoassociative formation of KLi molecule in its ground electronic state. Analysis is based on newly calculated adiabatic potentials supported by transition dipole moments and Franck-Condon factors.
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Nanomechanical Properties of Metallic fcc Nanorods from Molecular Simulations with the Sutton-Chen Potential
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Synthesis of phosphono and phosphate derivatives of hydroxyimino-D-alditols as new potential antifungal agents
PublicationIn search for new effective we antyfungals we focus on two enzymes involved in biosynthesis of the fungal cell wall. The first enzyme is glucosamine-6-phosphate (GlmS), which catalyzes transformation of D-fructose-6-phosphate (Fru-6P) to D-glucosamine-6-phodphate (GlcN-6P) in the chitin biosynthesis pathway. The second enzyme is phosphomannose isomerase (PMI) repored to play a crucial role in biosynthesis of many mannosylated structures,...
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BIODIVERSITY OF YEASTS ISOLATED FROM CAVES OF THE POLISH TATRA MOUNTAINS, AND ITS BIOTECHNOLOGICAL POTENTIAL
PublicationMost of the Earth’s biosphere is permanently or periodically exposed to temperatures below 5°C. Cold habitats harbor a wide diversity of psychrophiles. For many years Antarctica has been the geographic area preferred for studying the diversity and properties of cold-adapted microorganisms. However, the non-Antarctic habitats like Himalayas or Alps are also extensively explored. The Tatra Mountains are Europe’s second-highest massif...
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The potential of historical railway infrastructure, possibilities of its adaptation on the examples of railway water towers
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Microwave assisted liquefaction with crude glycerol as a potential method of brewer's spent grain utylization
PublicationBrewer's spent grain was applied as a low-cost industrial type of lignocellulose biomass in a liquefaction and solvent: biomass ratio on the efficiency of the process, chemical structure and basic properties of obtained prepared polyols and soil residues shed light on the biomass degradation mechanism through application of microwaves and further reaction of degradation products with solvent particles.