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Year 2025
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CO2 capture through Direct-Contact Condensation in a spray ejector condenser aided by a cyclone or T-junction separators
PublicationThis dissertation explores the vital task of separating and purifying CO2 in post-combustion sections of gas power plants. It focuses on integrating spray or steam ejector condenser with cyclone or T-junction separators to enhance CO2 capture through direct-contact condensation (DCC). The study employs experimental, analytical, and numerical techniques to understand DCC mechanisms within SEC and optimize separator performance....
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Co‐Creation in Automated Public Space Lighting Design: Enhancing Safety and Reducing Light Pollution
PublicationPublic space lighting in urban areas is a crucial issue linked to climate change in developed environments. It significantly influences aesthetics, functionality, and the sense of safety while also contributing to the problem of light pollution. However, addressing these challenges requires a balance between technical optimization and environmental considerations, which this study explores through an experimental approach. This...
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Collaborative Learning as a Service – a Blueprint for a Cloud Based Rural IoTs Deployment Facility.
PublicationVast spaces with inadequate telecommunications infrastructure pose a challenge to deploy IoT systems. A tech stack is proposed and implemented on TASKcloud at Gdansk Tech, based on widely available open-source technology components, making it possible to deploy various machine learning models developed on the cloud to constrained end devices, to make them capable of intelligently cleaning measurement data and optimizing their volume...
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Comammox Nitrospira dominates the nitrifying bacterial community in the external canister biofilter in the tank fish farm
PublicationPortable canister filters are often used in aquaria or smaller recirculating aquaculture systems (RAS). However, the microbiome of these canister filters, especially the presence of comammox bacteria, has not been extensively studied. The aim of this study was to explain the mechanisms of nitrogen transformation, with a focus on the comammox process, in a portable filter under varying organic compound availability. Biomass samples...
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Comment on "Study of perovskite JDCl3 (J = Fr, and D = Ca, Sr, Ge, Sn) materials for smart window and optoelectronic applications: A computational predictions” J. Phys. Chem. Solids 205 (2025) 112771
PublicationIn their recent article Shoukat Hussain et al. 1 report the results of their density functional theory (DFT) calculations on a series of four Francium-bearing cubic perovskite materials FrDCl3 (D = Ca, Sr, Ge, Sn), discussing their possible applications for smart windows and optoelectronics. In this comment, I highlight the issue of Fr instability that completely undermines the applicability of any Fr-based materials.
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Compact Self-Diplexing MIMO Antenna with Improved Isolation for IoT Connectivity
PublicationThis paper proposes a cavity-backed substrate integrated-waveguide dual-feed self-diplexing MIMO antenna for Internet of Things (IoT) applications. To implement a selfdiplexing operation, the half-mode SIW cavity is loaded with a rectangular slot carved on the top metal cladding. This causes the cavity to be divided into two unequal apertures, resulting in the development of a quarter-mode SIW. The patch has orthogonally positioned...
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Company culture matters! Knowledge-driven companies' way to innovations and sustainability
PublicationCompanies today aim to adapt to rapidly changing business environments by acquiring knowledge, developing dynamic capabilities, fostering market innovations, and ensuring sustainability. Achieving these goals requires a supportive company culture aligned with its structure and strategy. This study proves the critical role of company culture in sustainability based on a sample of 496 Polish knowledge workers, using structural equation...
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Comparative Analysis of Entrepreneurial Intention Among Students: A Cross-Country Study
PublicationEntrepreneurial intention (EI) is a predictor of entrepreneurial behavior. In past years, it received significant attention due to the numerous advantages of entrepreneurial activities. The formation of EI within diverse international settings has been studied by researchers; however, the results of these studies are still inconclusive. Building on the Theory of Planned Behavior (TPB), this study aims to shed light on how EI is...
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Comparative assessment of entire bending-torsion fracture surface for 10HNAP steel using different optical measurement techniques
PublicationThis research aims to compare two microscopic measurement techniques: Confocal and Focus Variation, for the assessment of the entire fracture surface method. The measurements were conducted using the Sensofar S Neox 3D and Alicona InfiniteFocus G4 optical profilometers. Surface parameters were assessed for the entire fracture regions of the 10HNAP structural steel ring V-notched specimen. Fatigue test were performed under combination...
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Comparative study of bisphenols in e-cigarette liquids: evaluating fabric phase sorptive extraction, ultrasound-assisted membrane extraction, and solid phase extraction techniques
PublicationTo address the under-researched risk of bisphenols (BPs) in e-cigarette liquids, comprehensive studies have been conducted to propose optimum sample preparation and analysis methods. To determine twelve BPs in refill liquids for e-cigarettes, three sample preparation methods based on distinct operational and working principles were employed. These included fabric phase sorptive extraction (FPSE), ultrasound-assisted solvent extraction...
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Comparison and analysis of software and hardware energy measurement methods for a CPU+GPU system and selected parallel applications
PublicationIn this paper authors extend upon their previous research on power-capped optimization of performance-energy metrics of deep neural networks training workloads. A professional power meter Yokogawa WT-310E is used, as well as Intel RAPL and Nvidia NVML interfaces, to examine power consumption of a much more comprehensive set of multi-GPU and multi-CPU workloads, including: selected kernels from NAS Parallel Benchmarks for CPUs and...
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Comparison of battery technologies, size, and charging strategies for inter-city in–motion-charging buses
PublicationThe growth of suburbs is a challenge for public transport, and new tools are needed to electrify suburban and intercity bus lines sustainably. In-motion-charging (IMC) buses combine the advantages of both trolleybuses and electric buses. This paper analyses a case of using IMC buses on a 17-km-long intercity route service between Arnhem and Wageningen in the Netherlands. The analysis covers different traction battery technologies,...
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Competing charge density wave phases in YNiC2
PublicationCharge density wave (CDW) orders in YNiC2 are studied by means of combined experimental and computational techniques. On the experimental side, single crystals grown by the floating-zone method were examined by means of x-ray diffraction, as well as transport and thermal techniques. Density functional theory (DFT) calculations founded on the experimentally determined parent and CDW-modified crystal structures provide details of...
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Compressive and tensile properties of polyurethane foam mimicking trabecular tissue in artificial femoral head bones
PublicationThe presented study aimed to examine the compressive and tensile behavior of the polyurethane foams mimicking trabecular tissue in the artificial human femurs and assess their potential to replicate osteoporotic type of human bone tissue. Two types of Synbone femur models: one of the normal density (model 2350) and one of the lower density (model LD2350), and three types of Sawbones femur models (model 1130-21-8, 1130-21-3, 1130-192)...
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Concept and Implementation of Innovative Scalable Wind Turbine Emulator with Doubly Fed Asynchronous Machine
PublicationThis paper presents the design of an innovative scalable wind turbine emulator. The system’s hardware and software components are described in detail including test results, demonstrating the research potential of the proposed design. The uniqueness of the proposed solution lies in its scalability, achieved despite the use of physical devices with fixed parameters. This scalability allows for the flexible shaping of the system’s...
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CONDITIONS AND CONSEQUENCES OF QUALITY DEVELOPMENT – FROM QUALITY 4.0 TO 5.0
PublicationPurpose: To present the essence, advantages and threats of Quality 4.0 and Quality 5.0 and to indicate further development directions of quality management concepts. Design/methodology/approach: The research methods used are a thematic review of literature on research on Quality 4.0 and 5.0 and surveys conducted among companies with certified quality management systems in the region of southeastern Poland. Findings: The challenges...
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Conductive Hydrogels: Bioelectronics and Environmental Applications
PublicationFlexible multimodal sensors have garnered continued attention due to their tunable structural performance and sensitivity to electric signals, adaptability to various environments, and outstanding mechanical properties. However, the limited self-healing capabilities, degradation, and reversible self-adhesion of sensors made from rubbers, elastomers, and other polymers have hindered their widespread application. Flexible sensors...
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Cone calorimetry ranking of unsaturated polyester thermoset resins using Flame Retardancy Index (FRI)
PublicationUnsaturated polyester resins (UPRs) are versatile thermosetting materials available in a wide range from general-purpose (e.g., construction) to advanced (e.g., aerospace) materials. UPRs are best known for their promising mechanical and solvent-resistive properties, but they are highly flammable necessitating reinforcing with flame retardants (FRs). In this paper, composites of UPRs are ranked as of Poor, Good or Excellent, based...
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Control structures of Doubly-Fed Induction Generator connected to Current Source Converter
PublicationThe control of Doubly-Fed Induction Generator can be achieved through various techniques. At present, many works published in the literature show the application of Voltage Source Converter in conjunction with Doubly-Fed Induction Generator. Recently published articles rarely involve the operational characteristics and technical aspects of the Doubly-Fed Induction Generator - Current Source Converter systems. The dissertation presents...
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Converging Paths? Co-creation practices in public services in Poland and Ukraine
PublicationThis study investigates how co-creation is being institutionalized in public service delivery in Poland and Ukraine, focusing on six domains of citizen involvement: legislative frameworks, digital platforms, public consultations, civic monitoring, local initiatives, and civic education. These neighboring countries, connected through shared regional initiatives but shaped by differing...
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Coordination of planning regulations at the edge of water and land. Conflicts within planning policy for urban blue space in small and medium-sized Polish port cities and possible directions of change
PublicationLand-sea integration is crucial for effective marine spatial planning and coastal zone management. Coordination of marine and land planning should ensure ecological sustainability of the coastal area, enable cross-coast investments and promote well-being of the society. A critical element for achieving sustainable development of marine and coastal area is the integration of marine and land planning on the verge of sea waters and...
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Correction of non-anechoic antenna measurements using matrix pencil algorithm with adaptively adjusted setup
PublicationFar-field antenna performance is normally evaluated in dedicated test sites such as anechoic chambers. Although capable of providing certification-grade accuracy, professional laboratories are prohibitively expensive. Alternatively, measurements can be performed in non-anechoic conditions and then refined using appropriate algorithms. Unfortunately, post-processing performance depends on the routine-specific setup, which is either...
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Corrosion Resistance and Structure of Cr−O−N Coatings Formed in Vacuum Arc Plasma Fluxes With PIIID
PublicationCr−O−N-based vacuum arc coatings are very promising for the wear and corrosion protection of various steel parts. The aim of the work was to determine the effect of frequency and amplitude of the pulsed bias voltage (UB) on the elemental and phase composition, mechanical, and corrosion properties of Cr−O−N coatings. They have an amorphous structure with embedded nanosized solid solution crystallites based on CrN with a cubic structure...
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Cost-Efficient Behavioral Modeling of Antennas by Means of Global Sensitivity Analysis and Dimensionality Reduction
PublicationComputational tools, particularly electromagnetic (EM) solvers, are now commonplace in antenna design. While ensuring reliability, EM simulations are time-consuming, leading to high costs associated with EM-driven procedures like parametric optimization or statistical design. Various techniques have been developed to address this issue, with surrogate modeling methods garnering particular attention due to their potential advantages....
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Creep failure mechanism in single-lap joints
PublicationThe paper presents a study on adhesive creep mechanisms and failure in single lap adhesive-bonded joints, focusing on their time performance and durability. Adhesive connections, while advantageous for their uniform stress distribution, are susceptible to creep-progressive deformation under sustained loading. In the study, the adhesive creep behavior is modeled, employing advanced nonlinear FEA techniques and a probabilistic approach...
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Crisis Management in the Hospitality Industry Analyzed Through a Social Sustainability Focus on Male and Female Leadership Styles
PublicationHuman capital management's managerial practices during a crisis ensure the achievement of main strategic objectives and result in long-term values, such as organizational learning, resilience, innovation, and business flexibility. Therefore, this study considers the social sustainability perspective in the hospitality industry as a critical aspect of crisis management. It specifically...
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Cross-Section Calculations for Electron-Impact Ionization of Pyrimidine Molecule and Its Halogenated Derivatives: 2-Chloropyrimidine, 5-Chloropyrimidine, 2-Bromopyrimidine and 5-Bromopyrimidine
PublicationThe total cross-sections for the single electron-impact ionization of pyrimidine (C4H4N2), 2-chloropyrimidine (2-C4H3ClN2), 5-chloropyrimidine (5-C4H3ClN2), 2-bromopyrimidine (2-C4H3BrN2) and 5-bromopyrimidine (5-C4H3BrN2) molecules have been calculated with the binary-encounter-Bethe model from the ionization threshold up to 5 keV. The input data for the BEB calculations concerning electronic structure of the studied targets have...
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Crystal Structures of d-Lyxono-1,4-lactone and Its O-Tosyl Derivative
Publicationγ- and δ-lactones were formed by bromine oxidation of commercially available D-lyxose, as confirmed by IR analysis. The former was isolated, and its structure was confirmed by NMR spectra and X-ray analysis. In this structure, the presence of both intermolecular and intramolecular hydrogen bonds was found. Intermolecular interactions in the crystal were illustrated using the Hirshfeld surfaces. Due to steric reasons, 3,5- O-isopropylidene-D-lyxono-1,4-lactone...
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Current advances in surface wettability in food packaging materials: Strategies, methods and future trends
PublicationSurface wettability plays a significant role in the functionality and safety of food packaging materials, influencing factors such as moisture resistance, microbial growth, and the effectiveness of active packaging technologies. The present study provides an in-depth investigation of the fundamental concepts underlying surface wettability, including contact angle theory, surface energy, measurement and characterisation, and how...
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Cytotoxicity of ZnO nanoparticles in human melanocyte cells in the presence or absence of UV radiation: A preliminary comparative study with TiO2 nanoparticles
PublicationZinc oxide nanoparticles (ZnONPs) and titanium dioxide nanoparticles (TiO2NPs), due to their nanometric size and photostability, are increasingly used as ingredients in sunscreens to absorb and scatter UV radiation. However, the current state of knowledge is insufficient to guarantee their safety. Therefore, the objectives of this study were to evaluate the cytotoxicity of ZnONPs and TiO2NPs in the presence and absence of UV radiation...
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Czy inżynier budownictwa musi być nieomylny?
PublicationJakość dokumentacji projektowej oraz zachowanie reżimu technologicznego podczas realizacji robót budowlanych mają decydujący wpływ na późniejsze bezpieczeństwo konstrukcji, jak również bezpieczeństwo użytkowania obiektów budowlanych. Nie bez znaczenia jest także późniejszy sposób eksploatacji tych obiektów. Błędy i niedociągnięcia występujące obecnie w szerokorozumianym budownictwie wzbudzają pytanie czy inżynier budownictwa ma...
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Danzig grain trade. Economic dynamics, organisational structures and cultural challenges (1816– 1914)
PublicationThe chapter deals with the role of Danzig in the international grain trade between the early 19th century and the First World War. The objective is to examine the extent to which changes of a general economic nature, especially industrialisation in Western Europe and the consequent changes in living standards and consumer tastes, altered the long-term characteristics of grain exports from this area. Indeed, literature has studied...
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D-Band High Gain Planer Slot Array Antenna using Gap Waveguide Technology
PublicationA D-band high gain slot array antenna with corporate-fed distribution network based on gap waveguide structures is proposed at 140GHz. To overcome the fabrication challenges at such high frequency, the gap waveguide technology is deployed in which good electrical contact between different parts of the waveguide structure is not required. The proposed sub-array has four radiating slots that are excited by a groove gap cavity and...
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Declarative ship arenas under favourable conditions
PublicationAccording to maritime regulations, a collision-avoidance action shall be taken at an “ample time” while strict interpretation of this term is ambiguous. Evasive manoeuvres, executed by marine navigators on a daily basis, are usually carried out well in advance, while the distance at which they decide to perform such a manoeuvre is mostly subjective and results, e.g., from the navigator's seagoing experience. A proper understanding...
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Decoding Customer Experience: A Comparative Analysis of Electric and Internal Combustion Vehicles in the U.S. Market Through Structured Topic Modeling
PublicationAmid global environmental challenges, the transition from internal combustion vehicles (ICVs) to electric vehicles (EVs) is a priority for governments and automobile manufacturers. This shift requires a deep understanding of consumer preferences and evolving adoption trends. Existing research highlights critical gaps, such as the lack of comparative studies analyzing EVs and ICVs’ consumer-perceived value and their evolution over...
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Decoding the role of large heat shock proteins in the progression of neuroinflammation‐mediated neurodegenerative disorders
PublicationChronic neuroinflammation and protein aggregation are the fundamental events mainly responsible for the progression of neurodegenerative diseases (NDs). Potential neurotoxic changes in the intra‐ and extracellular environment are typical hallmarks of many NDs. Treatment of ND is challenging, as the symptoms in these patients arises when a significant numbers of neurons have already been destroyed. Heat shock proteins (HSPs)...
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Deep eutectic solvent enhances antibacterial activity of a modular lytic enzyme against Acinetobacter baumannii
PublicationIn this study, we evaluated the combined effect between MLE-15, a modular lytic enzyme composed of four building blocks, and reline, a natural deep eutectic solvent. The bioinformatic analysis allowed us to determine the spatial architecture of MLE-15, whose components were bactericidal peptide cecropin A connected via a flexible linker to the cell wall binding domain (CBD) of mesophilic 201ϕ2 − 1 endolysin and catalytic domain...
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Deep eutectic solvent-enhanced crop residue adsorbents for eco-efficient volatile organosulfur compounds adsorption from gaseous fuels
PublicationThis study highlights the innovative potential of converting crop residues, typically considered waste, into valuable materials. By modifying these residues with green solvent-based deep eutectic solvents (DES), a novel adsorbent was specifically designed for the selective removal of volatile organosulfur compounds (such as thiophene, sec-butyl mercaptan, and dimethyl disulfide) from biogas streams. The selection of the most effective...
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Deep eutectic solvent-induced coacervation in micellar solution of alkyl polyglucoside surfactant: Supramolecular solvent formation and application in food analysis
PublicationThe number of deep eutectic solvents were investigated to induce coacervation and cause phase separation in the micellar solution of the alkyl polyglucoside C8–C10. Three fatty acids were selected as hydrogen bond donors namely hexanoic acid, heptanoic acid, and octanoic acid, while quaternary ammonium salts and a monoterpenoid thymol were used as hydrogen bond acceptors to obtain deep eutectic solvents. The precursors of the deep...
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Deep learning approach for combining global ionospheric maps for GNSS positioning
PublicationOne of the most widely used sources for information regarding the state of the ionosphere is the global ionospheric maps provided by the IGS service. These maps are created through a weighted average of solutions from various centers, including CODE, ESA, JPL and UPC. As technology has advanced, the application of artificial intelligence in ionospheric research has become more prevalent, motivating us to apply this approach to...
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Defective TiO2 for CO2 photoreduction: Influence of alkaline agent and reduction temperature modulation
PublicationThis study investigates the synthesis and characterization of Black TiO2 photocatalyst (TiO2-x) through the sol-gel method combined with NaBH4 reduction at different temperatures (350 °C, 500 °C, and 650 °C). The photocatalytic performance for CO2 reduction was evaluated, revealing that TiO2-x_500°C sample exhibited the highest efficiency. This enhanced performance is mainly attributed to a higher concentration of oxygen vacancies...
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Degradation of dicamba – a persistent herbicide - by combined application of formic acid and UV as an advanced reduction process
PublicationThe degradation of dicamba as a persistent herbicide was studied with the combined application of UV and formic acid (FA) as a novel advanced reduction process (ARP). The effects of key parameters of FA concentration, dissolved organic matter, and inorganic anions were studied. A 97 % degradation and 94 % dechlorination of dicamba were obtained through the combination of UV and FA (UV-FA) at a dicamba concentration of 0.023 mM...
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Dermoscopy of External Ear Melanocytic Lesions: Performance of Selected Dermoscopic Screening Algorithms and Proposal of a New Predictive Model for Malignancy (AuriCheck Dermoscopic Algorithm)
PublicationBackground/Objectives: External ear melanocytic lesions (EEMLs) are frequently encountered in clinical practice. EEMLs belong to dermoscopic special site locations and their dermoscopic presentation is poorly characterized. The aims of the study were to determine the dermoscopic features and patterns of EEMLs, to evaluate the performance of selected dermoscopic screening algorithms for EEML and to propose a dedicated site-specific...
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Design and comparison of PI and boundary-based predictive controller for control of aeration in activated sludge bioreactor – Simulation and laboratory research
PublicationIn this paper, a classical PI and an on/off predictive boundary-based predictive controller (BBPC) algorithms are compared and verified using an ASM3-based model of an activated sludge system with a reactor and secondary settler. A laboratory-scale activated sludge setup is modelled in MATLAB/Simulink and verified using experimental data. BBPC and PI algorithms are compared in two scenarios of batch and continuous operation of...
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Design and Validation of A 30 GHz 8×8 Slot Antenna Array with Ridge Waveguide Pins/Holes Layers
PublicationThis paper presents an 8×8-element slot antenna array optimized for 30 GHz band applications, achieving high gain, wide impedance bandwidth, and high efficiency. The array employs a pin/hole-based design, which enables a compact structure and reduces fabrication complexity and cost, as it eliminates the need for electrical contact between its three primary layers: the metal radiating slot plate, a sub-array cavity layer, and a...
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Design blisko użytkownika - jak potrzeby kształtują lepsze produkty
PublicationJak wynika z wielu danych, sprzedaż artykułów z koszyka kosmetyczno-chemicznego rośnie zarówno wartościowo, jak i ilościowo każdego roku. Wzrostu nie zahamowała inflacja ani rosnące ceny produktów. Wynika to ze zmian społecznych i zmieniającego się stylu życia konsumentów, którzy zdążyli przywyknąć do wielu nowych rutyn pielęgnacyjnych i higienicznych. Dużą grupę tych produktów stanowią również aerozole, których znaczenie wciąż...
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Design Optimization for Enhancing the Power Density and Efficiency for GaN-Based DC–DC Converter
PublicationThis article presents an optimization strategy for enhancing the efficiency and power density of a GaN-based dc–dc converter, tailored for different applications with a wide input voltage range regulation. The optimization employs air-core inductors and implements a variable switching frequency modulation method to enable zero voltage switching turn-on for GaN transistors, facilitating greater flexibility in frequency adjustment...
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Determining a damping coefficient by using a microelectromechanical systems accelerometer for finite element method simulation purposes on a discrete damper example
PublicationThis paper introduces a methodology, algorithms, and the achieved results for determining the damping coefficient using a microelectromechanical systems (MEMS) accelerometer, specifically for finite element method (FEM) simulations. The paper not only showcases the results but also employs several independent verification procedures to confirm the validity of the obtained damping coefficient. The determined damping coefficient...
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Determining the Range of Applicability of Analytical Methods for Belleville Springs and Novel Approach of Calculating Quasi-Progressive Spring Stacks
PublicationThis study investigates the accuracy of analytical methods for Belleville springs by comparing their results with finite element method (FEM) models to determine their applicability. Both well-established approaches, such as the Almen–Laszlo and Muhr– Niepage methods, and modern techniques, including Zheng’s energy method, Ferrari’s method, and Leininger’s approach, were analyzed. The findings identified areas of consistency between...
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Development and testing of an open source mobile application for audiometry test result analysis and diagnosis support
PublicationHearing impairments are typically assessed using pure tone audiometry, a diagnostic method that allows for the identification of the degree, type and configuration of hearing loss. The results of this assessment are generally displayed in the form of an audiogram, which graphically represents the softest sounds perceivable by an individual across a range frequencies. This paper presents a novel Open Source mobile application for...