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Wydziały Politechniki Gdańskiej
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Catalog Publications
Year 2025
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Opposite effect of the Cu photodeposition on the ∙OH generation and diclofenac degradation depends on the exposed anatase facet
PublicationExposition of a specific crystal facets and modification with co-catalysts are often used in order to improve photocatalytic activity of a material. However, considering complexity of these interactions, it is still challenging to fully understand and predict activity of a specific system. Here, we report combination of the {0 0 1} and {1 0 1} crystal facets of anatase TiO2 with CuXO co-catalyst, applied for diclofenac degradation,...
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Optimal bandgap of a single-junction photovoltaic cell for the mobile Internet-of-Things
PublicationThe procedure for determining the maximum power of a single-junction photovoltaic cell operating in various types of lighting is presented. This is a key issue for photovoltaics powering the mobile Internet-of-Things (IoTs). The simulations performed are based on the detailed balance principle, without any of simplifying assumptions included in the Shockley-Queisser model. Optimal energy bandgap for diffuse solar light was found...
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Optimization of constitutive law for objective numerical modeling of knitted fabric
PublicationThis paper discusses the problem of macroscopic modeling a knitted technical fabric with the aim to determine a constitutive law for adequately modeling the material response under real-life load. As phenomenological, hyperelastic material laws reveal different parameters due to different test modalities used to identify such parameters, an optimization scheme is proposed to determine an objective solution. The study is conducted...
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Optimizing conductivity in Na-V-Te-O glass through controlled heat treatment
PublicationSemiconducting Na2O-V2O5-TeO2 glasses with various Na2O contents were melted and subjected to controlled heating to improve conductivity. Topography analysis were performed using confocal microscopy and scanning electron microscopy on both as-quenched and heat-treated samples. X-ray diffraction confirmed the amorphous nature of the samples post-melting, with subsequent heating resulting in the formation of nanocrystallites primarily...
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Optimizing electrochemical removal of perfluorooctanoic acid in landfill leachate using ceramic carbon foam electrodes by coupling CFD simulation and reactor design
PublicationPerfluorooctanoic acid (PFOA), a persistent and bioaccumulative pollutant classified as a 'forever chemical', poses a global environmental and health risk due to its widespread use and resistance to degradation. The development of effective and efficient removal technologies is crucial to mitigate its long-term impacts. In this study, we present a novel approach to address the growing concern of emerging contaminants, particularly...
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Optimizing nature-based solutions for urban flood risk mitigation: A multi-objective genetic algorithm approach in Gdańsk, Poland
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Optimizing nature-based solutions for urban flood risk mitigation: A multi-objective genetic algorithm approach in Gdańsk, Poland
PublicationNature-based Solutions (NbS) have emerged as a sustainable approach to managing flood risks by enhancing natural water retention and reducing surface runoff in urban areas. As climate change and rapid urbanization exacerbate flood hazards, optimizing the spatial deployment of NbS is crucial for improving urban resilience and mitigating flood impacts. This study presents a comprehensive optimization framework for the spatial allocation...
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Organizational Intelligence for Change Adaptability. The Knowledge, Learning, and Collaboration Cultures Approach
PublicationThis book outlines strategies for implementing the knowledge-learning-collaboration (KLC) approach effectively within different cultural contexts—adhocracy, clan, bureaucracy, and market—tailored to the specifics of management levels (team, division, and organization). Empirical research underscores that while the KLC approach enhances organizational intelligence, the impact varies depending on the type and strength of company...
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Pattern Reconfigurable Quasi Yagi Antenna with Origami Inspired Magic Spiral Cubes for Dynamic Indoor IoT Applications
PublicationThis paper presents a novel deployable antenna design with reconfigurable radiation patterns suitable for various indoor Internet of Things (IoT) applications. Inspired by origami, the antenna comprises a central monopole patch housed on a magic cube (MC-2) and two other modular units comprising stacks of magic cubes (MCs). In compact form, i.e., State-1, the antenna occupies a space of 50 mm, whereas in other states, it occupies...
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Paving the way for green cross-linker substances for the fabrication of polymer membranes — a review
PublicationChemical cross-linking in membrane fabrication aims to face limitations of polymer membranes, including poor chemical resistance, low mechanical stability, swelling, etc. Typical cross-linkers do not fit green chemistry and sustainable principles due to their toxicity. Thus, this article discusses the successful application of green cross-linkers (including organic acids — citric, gallic, ferulic, and tannic acid, calcium chloride,...
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Performance assessment of disposable carbon-based immunosensors for the detection of SARS-CoV-2 infections
PublicationWe designed, developed, and clinically tested two rapid antigen-based immunosensors for SARS-CoV-2 detection, enabling diagnosis and viral load quantification for under USD $2. In a first clinical study, a screen-printed disposable carbon-based (SPC) sensor was assessed on prospectively recruited adult participants classified into three study groups: healthy donors (n = 46); SARS-CoV-2-infected symptomatic patients (n = 58); and...
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Performance evaluation of green and conventional solvents in reversed-phase liquid chromatography based on the separation of non-polar and polar substances
PublicationThis study investigated the potential for replacing conventional solvents such as acetonitrile (ACN) and methanol (MeOH) with greener alternatives – ethanol (EtOH) and dimethyl carbonate (DMC) – in chromatographic separations. The aim was to assess whether these environmentally friendly solvents could achieve comparable separation performance while reducing the environmental impact of the analyses. Chromatographic separations were...
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Performances, mechanisms, and strategies for methane removal via gas biofiltration
PublicationControl of methane emissions has attracted widespread attention in the context of worldwide efforts to alleviate the greenhouse effect. Biofiltration, a green and cost-effective treatment process, has been widely used for the purification of methane. Currently, there is still a lack of comprehensive information on methane biofiltration. Herein, the state-of-the-art development trends of methane removal via biofiltration were comprehensively...
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Phages as potential life-saving therapeutic option in the treatment of multidrug-resistant urinary tract infections
PublicationUrinary tract infections (UTIs) are among the most common bacterial infections worldwide and increasing antimicrobial resistance (AMR) challenges conventional antibiotic treatments. Phage therapy (PT) has emerged as a promising alternative due to its specificity, safety and efficacy against multidrug-resistant (MDR) pathogens causing infectious diseases. PT demonstrates significant potential in treating chronic and recurrent UTIs,...
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Photocatalytic activity of zinc oxide nanorods incorporated graphitic carbon nitride catalyst
PublicationBackground Photocatalysts are user-friendly and serve as compatible materials for degrading industrial dye pollutants. This study utilizes zinc oxide/graphitic carbon nitride (ZnO/g-C3N4) nanocomposites against degrading methylene blue (MB). Methods The hydrothermal method assisted sonication technique was used to fabricate the ZnO/g-C3N4 composite with varying ratios of ZnO/g-C3N4 (1:0.25, 1:0.50, 1:1). The synthesized materials...
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Photocatalytic membranes based on Cu–NH2-MIL-125(Ti) protected by poly(vinylidene fluoride) for high and stable hydrogen production
PublicationA porous, photocatalytically active, and water-stable composite membrane has been developed based on Cu–NH2-MIL-125(Ti), a titanium-based metal–organic framework (MOF) and PVDF polymeric matrix. To tune the structural and functional properties of the PVDF/MOF composites, the loading degree of the MOF within the polymer was systematically varied. The most effective performance of the composite material was achieved with a 10% wt/wt...
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Physicochemical properties of La0.5Ba0.5Co1-xFexO3-δ (0≤x≤1) as positrode for proton ceramic electrochemical cells
PublicationWe report on essential properties of materials in the series La0.5Ba0.5Co1-xFexO3-δ as positrodes for proton ceramic electrochemical cells (PCECs). The unit cell and thermochemical expansion coefficient (TCEC) of these cubic perovskites decrease with iron content x, the TCEC of La0.5Ba0.5FeO3-δ going as low as 11·10-6 1/K. The materials behave as LaMO3 perovskites with small band gaps and Ba acting as acceptors compensated by electron...
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Plasma in fabrication and modification of polymeric membranes
PublicationPolymer materials are mostly used in the fabrication of permeable and selective interfaces, known as membranes, for distinct membrane processes. According to their application in membrane processes, there is a need to improve specific properties such as functionality, charge, stability, hydrophilicity and chemical/physical resistance. Mostly, the surface post-modification of the membranes is suitable. In this regard, plasma, as...
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Polarization-Insensitive Nano-Metamaterial Sensor with Near-Infrared μ and ε Negative Properties for Early Cancer Detection via Exosome Analysis (70 THz to 3 PHz)
PublicationMetamaterials (MTMs) have emerged as essential components in high-performance electromagnetic devices, including sensors and absorbers. This study presents a polarization-insensitive nano-metamaterial sensor with exceptional angular stability and a wide operating range of 70 THz to 3 PHz. The sensor achieves an average absorption rate of 97% across this range, making it highly suitable for applications in biomedical engineering....
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Polymer Materials for U-Shaped Optic Fiber Sensors: A Review
PublicationFiber optic sensors have gained popularity over the last few decades. This is due to their numerous advantages, such as good metrological parameters, biocompatibility and resistance to magnetic and electric fields and environmental pollution. However, those built from glass fiber have one main disadvantage—they are fragile, meaning they can be easily damaged, even by the presence of vibration. Due to the great progress made by...
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Polymer-Enhanced Active Layer Crystallization in Low-Temperature Carbon-Based Perovskite Solar Cells
PublicationHigh-efficiency perovskite solar cells (PSCs) are emerging as a promising next-generation, low-cost, photovoltaic technology. A key advantage of PSCs is their compatibility with diverse manufacturing techniques, enabling the pursuit of low-cost, stable PSCs. Carbon electrodes, known for their scalability, chemical inertness, and ease of processing through screen printing, have recently seen the development of low-temperature carbon...
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Pomiary termowizyjne temperatury w operacjach maszynowego docierania powierzchni płaskich
PublicationW artykule przedstawiono problematykę oraz wyniki badań nagrzewania się elementów układu obróbkowego docierarki jednotarczowej do płaszczyzn o standardowej kinematyce. Badano wpływ podstawowych warunków obróbki na temperaturę docieranych materiałów oraz zmiany temperatury głównych elementów obrabiarki. W badaniach wykorzystano kamerę termowizyjną. Wyniki pomiarów mogą być przydatne m.in. do określenia przerw między cyklami obróbki...
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Porous Deep Eutectic Solvents–Unfulfilled Dream or the Next Breakthrough in Scientific Innovation?
PublicationPorous deep eutectic solvents (PDES) are capturing the imagination of scientists, promising a revolutionary leap in material science. These innovative materials, blending the versatility of deep eutectic solvents (DES) with the intricate architectures of porous structures, offer an exciting array of applications—from green chemistry and catalysis to energy storage and environmental remediation. However, the journey from laboratory...
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Power Transmission for Millimeter-Wave Indoor/Outdoor Wearable IoT Devices Using Grounded Coplanar Waveguide-Fed On-Body Antenna
PublicationThis paper presents for the first-time evaluation of wireless power transmission (WPT) for sustainable low-powered Internet of Things (IoT) devices in realistic indoor/outdoor scenarios using empirical propagation models at 28 GHz. The used empirical propagation models have shown that using an on-body 9×9 mm-wave rectenna array based on a proposed mm-wave antenna is able to charge IoT devices at a distance of 57 m for line-of-sight...
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Prace remontowe betonowych posadzek przemysłowych. Część II
PublicationPosadzki betonowe należą do elementów w obiektach budowlanych, których projektowanie wymaga doświadczenia inżynierskiego, wykonawstwo – zachowania reżimu technologicznego, natomiast podczas ich eksploatacji niezbędne jest prowadzenie remontów okresowych. Najczęściej wykorzystywane są jako przestrzeń robocza i komunikacyjna w obiektach przemysłowych. Niezależnie od miejsca wbudowania posadzki betonowe wymagają prowadzenia okresowych...
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Praktyczna ocena wpływu położenia dybli w szczelinach dylatacyjnych na ryzyko powstania zniszczeń nawierzchni z betonu cementowego
PublicationCement concrete pavements are mainly implemented in Poland using unreinforced, dowelled and tieded pavement technology. The task of dowels in transverse expansion joints is to ensure proper transfer of loads between slabs and to allow free operation of slabs caused, among other things, by changes in thermal load. Recently, a significant problem has been observed in evaluating and resolving the issue of improperly placed dowels...
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Praktyczne wyzwania edukacji menedżerskiej. Zbiór case’ów dydaktycznych
PublicationNiniejsza książka stanowi zbiór materiałów dydaktycznych obejmujących dziewięć studiów przypadków (case studies). Mogą one stanowić wsparcie procesu dydaktycznego dla studentów kierunków związanych z zarządzaniem, bankowością lub finansami, w obszarze przedmiotów dotyczących procesów innowacyjnych, planowania produktu, rynków finansowych i zarządzania finansami. Istotną cechą prezentowanych materiałów jest to, że zarówno tematyka...
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Predicting a passenger ship's response during evasive maneuvers using Bayesian Learning
PublicationThe rapidly advancing automation of the maritime industry – for instance, through onboard Decision Support Systems (DSS) – can facilitate the introduction of advanced solutions supporting the process of collision avoidance at sea. Nevertheless, relevant solutions that aim to correctly predict a ship's behavior in irregular waves are only available to a limited extent by omitting the impact of wave stochastics on resulting evasive...
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Predicting creep failure life in adhesive-bonded single-lap joints using machine learning
PublicationAccurately predicting the creep failure life of adhesive joints, particularly single-lap adhesive joints (SLAJs), remains still a significant challenge, requiring substantial time and resources and the ability to predict the duration of creep failure in SLAJs is critical to ensuring structural integrity and reducing the failure of creep-prone adhesive joints. In this study, machine learning (ML) was used to identify the critical...
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Probability of Vehicle Collision with a Road Safety Barrier
PublicationA well-designed and constructed road allows the driver to avoid encroachments into an area with obstacles in the road environment and to return safely to the carriageway. This is possible when there is an obstacle-free zone in the road environment or, in the absence of an obstacle-free zone, when a road safety barrier is used. This paper discusses the probability of a vehicle hitting a road safety barrier, assuming five sequences...
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Probiotic potential of Bacillus Isolates from Polish Bee Pollen and Bee Bread
PublicationThe main goal of this study was the evaluation of the probiotic potential of 10 Bacillus spp. strains isolated from 5 bee bread and 3 bee pollen samples. The antagonistic interaction with Staphylococcus aureus and Escherichia coli was a primary criterion for the preliminary selection of the isolates. Three out of ten strains—PY2.3 (isolated from pollen), BP20.15 and BB10.1 (both isolated from bee bread)—were found to be possible...
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Progress in devulcanization of waste tire rubber: Upcycling towards a circular economy
PublicationAs a complex composite material, tire rubber has always presented significant environmental and waste management concerns due to its non-biodegradability and accumulation in landfills. The devulcanization of tire rubber has emerged as a historical challenge in the field of sustainable rubber engineering since Goodyear invented cross-linking in 1839. This review provides a comprehensive analysis of waste tire recycling processes,...
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Proyecto Valija, Cala Vila, Ajuntament de Lliria, P/ Major 1 , 46160 Lliria, Valencia Espana
PublicationProjekt "Walizka", koncepcja: prof. dr hab. Zbigniew Szot Uniwersytet Artystyczny w Poznaniu, Wydział Malarstwa i Rysunku. W projekcie wzięło udział 48 artystów z Polski oraz z Czech, Niemiec, Gruzji, Japonii. Koncepcja projektu dotyczy szeroko pojętego tematu podróży. W obecnych czasach zagrożenia COVID-19 słowo „podróż” zaczyna nabierać zupełnie innego znaczenia. Żyjąc i tworząc w izolacji od wielu miesięcy, została stworzona...
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Pulsed GTAW joint of P92 steel and Inconel 625: microstructure and mechanical properties
PublicationIn the present work, the relationship between microstructure and mechanical properties has been investigated for the dissimilar welded joint of P92 steel and Inconel 625, fabricated using the pulsed current gas tungsten arc welding (GTAW) process. Microstructural investigation revealed that the pulsed current resulted in fner equiaxed dendrites in the bulk weld metal, while columnar dendrites were observed in the weld metal near...
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Quality Evaluation of Small Features Fabricated by Fused Filament Fabrication Method
PublicationThe purpose of this research was to evaluate the quality of small features fabricated by the fused filament fabrication (FFF) method. The samples containing circular and square cross-sections through holes with different dimensions, lengths, and orientation angles were printed from ABS (acrylonitrile butadiene styrene) filament. The adopted optical inspection method allowed us to conduct observations of individual features and...
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Quality of Consumed Energy as a Key Element in the Development of Processes of Energy Transformation in the European Union Countries
PublicationThe process of energy transformation is one of the crucial elements of the process of improvement of the quality of consumed energy. The aim of the research is to assess the European Union countries in terms of the quality of their consumed energy and the speed of adaptation of this aspect of the energy transformation process. We assess the quality of consumed energy by means of the synthetic measure obtained by means of the dynamic...
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RAGN-R: A multi-subject ensemble machine-learning method for estimating mechanical properties of advanced structural materials
PublicationThe utilization of advanced structural materials, such as preplaced aggregate concrete (PAC), fiber-reinforced concrete (FRC), and FRC beams has revolutionized the field of civil engineering. These materials exhibit enhanced mechanical properties compared to traditional construction materials, offering engineers unprecedented opportunities to optimize the design, construction, and performance of structures and infrastructures....
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Rapid Global Antenna Design by Simplex Regressors and Multi-Resolution Simulations
PublicationOptimization methods have been rapidly entering the realm of antenna design over the last several years. Despite many available algorithms, practical optimization is demanding due to the high electromagnetic (EM) analysis cost necessary for dependable antenna assessment. This is particularly troublesome in global parameter tuning, routinely conducted using nature-inspired procedures. Unfortunately, these methods are known for their...
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Rapid methods for microorganism quantification in human milk: Possibilities and evaluation
PublicationThis study evaluates the potential of rapid microbiological methods, traditionally used for food and environmental samples, to assess human milk (HM) quality in Human Milk Banks. Several methods, including a bioluminescence, the Micro Biological Survey (MBS) colorimetric method, triphenyltetrazolium chloride (TTC) reductase test, and flow cytometry (BacSomatic™️), were compared to the PN-EN ISO 4833–1:2013-12 reference method....
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RCS Enhancement of Millimeter Wave LTCC Van Atta Arrays With 3-D Printed Lenses for Chipless RFID Applications
PublicationIn this paper, we present a new method to enhance the radar- cross section (RCS) of Van Atta arrays which can be used in chipless radio-frequency identification tags operating in millimeter wave frequency bands. Small planar Low-Temperature Co-fired Ceramic (LTCC) Van Atta arrays, that are durable and can operate in harsh environments, are combined with 3-D printed lenses to increase or modify the shape of their RCS by up to 10...
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Recent Research Progress in the Abrasive Machining and Finishing of Additively Manufactured Metal Parts
PublicationAdditive manufacturing (AM) has revolutionized the production of complex geometrical parts with metals; however, the usual layer-by-layer deposition results in poor surface quality and unpredictable surface integrity. Abrasive machining and finishing techniques play vital roles in counteracting these challenges and qualifying AM parts for practical applications. This review aims to present recent research developments concerning...
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„Reconnecting With Your Culture. Experiences between Poland and India" Fondazione Magnani, Universita di Pavia.Prezentacja na międzynarodowym seminarium naukowym
PublicationOn Tuesday 11 March 2025, an international meeting was held at the Magnani Foundation auditorium ‘Reconnecting With Your Culture’, promoted by the architectural restoration course of the University of Pavia, chaired by Professor Olimpia Niglio, in in collaboration with the Magnani Foundation. The backdrop of the meeting was the early Romanesque Basilica of Santa Maria Maggiore in Lomello, one of the oldest in the Apennine peninsula,...
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Recycling organic waste to biochar amended soils stabilizes Miscanthus x giganteus growth
PublicationSix treatments including straw biochar and its blends with organic waste (a mixture of anaerobically digested model kitchen waste, stillage and its enhancement with the fish waste digestate, both solid and liquid fractions) were tested via greenhouse experiment using fast-growing and pollution-resilient Miscanthus × giganteus. The four months long tests under spring/summer conditions in northern Poland with six fertiliser loads...
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Replica road pavements for rolling resistance measurements
PublicationDue to the need to strictly control the measurements, tire manufacturers strive to conduct most of the tests indoors. This allows them to perform them regardless of weather conditions, all the yearlong. Currently, a lot of research concerns the rolling resistance of tires. These include both development activities and mandatory measurements related to the granting of environmental labels. Unfortunately, standardized tests are conducted...
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Resonant and nonresonant excitation of waves in a planar magnetosonic flow
PublicationForced propagation of perturbations in a magnetosonic wave are considered. The driving force may be caused by stimulated Mandelstam–Brillouin scattering of optic waves or by intense magnetosonic exciter. Some heating-cooling function which takes into account radiative cooling and unspecified heating is taken into consideration, as well as nonlinearity of a medium. Both these factors make the excitation particular. The analytical...
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Responsive and proactive market orientation and hospital financial performance: The mediating effect of service program innovativeness
PublicationPURPOSE: The study aims to investigate the direct and indirect relationships among market orientation, service program innovativeness, and the financial performance of hospitals. Two types of market orientation – responsive and proactive – were considered, along with two dimensions of service program innovativeness: meaningfulness and novelty. METHODOLOGY: T he study gathered data through a survey conducted on a random sample of...
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Reusable Biosensor for Easy RNA Detection from Unfiltered Saliva
PublicationBiosensors are transforming point-of-care diagnostics by simplifying the detection process and enabling rapid, accurate testing. This study introduces a novel, reusable biosensor designed for direct viral RNA detection from unfiltered saliva, targeting SARS-CoV-2. Unlike conventional methods requiring filtration, our biosensor leverages a unique electrode design that prevents interference from saliva debris, allowing precise measurements....
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Ribes nigrum leaf extract downregulates proinflammatory gene expression and regulates redox balance in microglial cells
PublicationBackground: This study focuses on the investigation of the antioxidant and anti- inflammatory activities of alcohol extracts from Ribes nigrum leaves on murine BV-2 microglial Wt and Acyl-CoA oxidase 1 deficient (Acox1−/−) cell line models, useful for the investigation of some neurodegenerative disorders. Methods: The extract chemical composition was analyzed via LC-Q-Orbitrap HRMS. Various assays, including DPPH, MTT, and H2DCFDA,...
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Road Safety as a Component of Social and Economic Costs in Road Network Functional Assessment
PublicationThis study examines road safety as a part of social and economic costs in sustainable development management. The research focuses on the road network in Warmia-Masuria Voivodeship, Poland, analyzing 180 homogeneous sections of regional roads totaling over 1,800 km. Two methods are employed: reactive and proactive. The reactive method assesses risk based on accident density and accident cost density, classifying road sections into...
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Room vs. Body Temperature to Evaluate Electrical Interface Parameters of State-Of-The-Art PEDOT : PSS-Based Electrodes
PublicationIn this work, the effect of the simulated body fluid temperature on the electrical interface parameters of the state-of-the-art PEDOT-PSS electrode was studied. PEDOT-PSS was synthesized by electrodeposition on graphite and gold-coated-graphite electrodes. All electrochemical measurements were performed in phosphate-buffered saline aqueous solution (pH 7.4) at room temperature (25 °C) and body temperature (37 °C). The results of...