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Year 2025
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Fractography of Haynes 282 alloy manufactured by DMLS after tensile and HCF
PublicationIn this paper, the fracture surface topography of additively manufactured Haynes 282 alloy subjected to tensile and high-cycle fatigue loading was investigated. Haynes 282 alloy bars were printed in three different directions relative to the base plate (0°, 45°, and 90°) via Direct Metal Laser Sintering (DMLS) under an argon protective atmosphere. The specimens were subjected to monotonic tensile loading and fatigue testing under...
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Framework for reliable and automatic multi-frequency correction of non-anechoic antenna measurements
PublicationCorrection of antenna far-field measurements performed in uncontrolled environments is a challenging problem. Non-anechoic sites, while cheap compared to professional laboratories, suffer from poor propagation properties due to multipath interferences and noise from external sources of electromagnetic radiation. Direct measurements in such conditions are ineffective for drawing meaningful conclusions on antenna performance. The...
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Frequency Reconfigurable PIN Diode-Based Reuleaux-Triangle-Shaped Monopole Antenna for UWB/Ku Band Applications
PublicationThis paper presents a frequency reconfigurable monopole antenna developed for UWB/Ku band applications. The design employs a microstrip-fed Reuleaux-triangle-shaped patch with a defected ground structure. The antenna exhibits a wide operating bandwidth achieved due to rectangular slits integrated into the Reuleaux-triangle patch. Meanwhile, adding rectangular slots in the ground plane improves the return loss level. Frequency reconfigurability...
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From Donor‐Acceptor Ligands to Smart Coordination Polymers: Cyanothiazole‐Cu(I) Complexes for Multifunctional Electronic Devices
PublicationCyanothiazoles possess remarkable optical properties that can be fine-tuned through coordination with transition metals. In this study, we investigate a promising application of cyanothiazoles, where their combination with copper(I) iodide forms a new class of complexes exhibiting outstanding optical properties. X-ray crystallography of copper(I) iodide complexes with isomeric cyanothiazoles revealed key structural features, such...
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FRP-based reinforcement coatings of steel with application prospects in ships and offshore structures: a review
PublicationLatest research on novel FRP-based anti-corrosion structural coatings (for enhancing structural capacity and strengthening the coating layer) is discussed with application prospects for ships and offshore structures. In the marine environment, structures constantly face corrosion and fatigue cracks. Combining this with high operational and wave loads, it might cause a structural collapse. Recently, polymer composites have been...
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GaN Power Transistors in Converter Design Techniques
PublicationThe expected outstanding performance of GaN-based transistors in power applications, characterized by high switching frequency, efficiency, and compactness, requires that the design rules of converter layout optimization, filtering, and shielding need to be reexamined. Addressing the above topics, this paper reviews commercial GaN power transistors and specifies their integration techniques, including printed circuit board (PCB)...
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Generation, properties, and applications of singlet oxygen for wastewater treatment: a review
PublicationContamination of drinking water sources with recalcitrant organic pollutants is a major health issue requiring advanced oxidation processes for the degradation of such pollutants. Here we review the use of advanced oxidation processes-based treatment of water, wastewater, and sludge, with focus on singlet oxygen production, reactivity mechanisms, and applications. Processes for single-oxygen production include photochemical production,...
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Gold(III) complexes with chloride and cyanopyridines: Facilitated hydrolysis of nitrile ligand to amide and antibacterial activity
PublicationA range of novel simple gold(III) compounds has been synthesized in their monocrystalline form, including two previously unknown chloro-complexes of Au3+ with 2-cyanopyridine or 3-cyanopyridine, respectively. Our investigations have revealed the intricate nature of the reaction between 2-cyanopyridine and tetrachloroauric acid, yielding at least three distinct products. The main product, obtained in high yield, is a salt featuring...
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GRASPC – GRASP package adapted for the generation of continuum orbitals wave functions
PublicationThe GRASP package (https://github.com/compas/grasp ) is a widely used tool for performing fully relativistic bound electron structure calculations of atoms. Its latest official release is GRASP2018, but it has been continuously developed since then. The presented code, GRASPC, is the adaptation of that package allowing for calculations of the continuum orbital of electrons elastically scattered from atoms and ions. The calculated...
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Grey wolf optimizer integrated within boosting algorithm: Application in mechanical properties prediction of ultra high-performance concrete including carbon nanotubes
PublicationNowadays, the construction industry has increasingly recognized the superior performance characteristics of ultra high-performance concrete (UHPC). Known for its exceptional durability and high tensile strength, UHPC material is revolutionizing structure standards subjected to extreme environmental conditions and heavy loads. This paper explores the enhancement of UHPC with nano- and micromaterials, employing advanced machine-learning...
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Gromologist: A GROMACS-oriented utility library for structure and topology manipulation
PublicationDespite the increasing automation of workflows for the preparation of systems for molecular dynamics simulations, the custom editing of molecular topologies to accommodate non-standard modifications remains a daunting task even for experienced users. To alleviate this issue, we created Gromologist, a utility library that provides the simulation community with a toolbox of primitive operations, as well as useful repetitive procedures...
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Grzybicze zapalenie stawów u kameleona jemeńskiego (łac. Chamaeleo calyptratus) wywołane przez Metarhizium granulomatis – opis przypadku i diagnostyka mikologiczna
PublicationGrzyby strzępkowe mogą wywoływać u gadów po- ważne, zagrażające życiu infekcje. Jednym z takich drobnoustrojów jest Metarhizium granulomatis, po raz pierwszy zidentyfikowany u kameleonów jemeńskich (łac. Chamaeleo calyptratus). Możliwymi źródłami za- każenia są zanieczyszczone podłoże w terrarium lub zakażone owady karmowe. Niniejszy artykuł opisuje przypadek rozsianej grzybicy wywołanej przez ten gatunek u kameleona jemeńskiego,...
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Guided ultrasonic wave technique for corrosion monitoring and thickness variability analysis
PublicationCorrosion degradation poses a significant challenge to the structural integrity of industrial components, especially in critical sectors such as oil and gas, marine, and energy. This paper presents a novel approach to assessing corrosion damage using guided ultrasonic waves (GUWs), focusing on the statistical characterization of thickness variability in corroded plates. A combined algorithm is developed to estimate key statistical...
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Guided waves in plates with complex thickness variations: comparison of statistical modeling approaches
PublicationGuided wave-based techniques are particularly effective for corrosion assessment due to their sensitivity to geometric variations and ability to propagate over long distances. However, most existing approaches rely on simplifying assumptions about thickness distribution, which can introduce inaccuracies in real-world applications, e.g., the thickness reduction due to the corrosion degradation. This study investigates the impact...
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Guidelines for the location of street trees as solar protection for buildings in moderate climates
PublicationThis paper contains detailed guidelines for the layout of the road with rows of trees as sun protection in moderate latitudes. The guidelines include scope and degree of shading street frontage by trees, and the duration of such shading, taking into account other elements of the road. Recommendations were formulated on the author’s own research based on computer simulations of the hours of sun exposure for variants of a street...
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Guidelines on the proper selection of greenness and related metric tools in analytical chemistry – a tutorial
PublicationBackground The metric tools that aim to assess greenness, whiteness or related aspects of analytical procedures are gaining in popularity. At the same time, their application is not standardized, leading to unintentional abuses. Results Within this study, two datasets were created, consisting of the greenness assessment results for 27 (for general assessment) and 3 (for reproducibility study) analytical procedures, obtained with...
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Harnessing low-cost LiDAR scanners for deformation assessment of 3D-printed concrete-plastic columns with cross-sections based on fractals after critical compressive loading
PublicationThis article aims to explore the potential of using low-cost devices (iPhone and iPad) equipped with LiDAR scanners in the context of measuring the volume of concrete-plastic specimens with complex shapes. The goal was to assess whether these tools can support or even replace traditional metrology methods. For the purpose of the research program concrete-plastic columns with very complex cross-sections (based on different fractals)...
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HBIM symmetry parametrization using TLS and UAV LiDAR measurements
PublicationThe paper describes a new approach to the assessment of symmetry in HBIM datasets on the example of the Tower of Gediminas in Vilnius (Lithuania). Symmetry is a principal component of the design and construction of ancient, medieval, Renaissance, and other epochs. The unified methodology involves the processing of LiDAR point clouds and applies to objects with a regular polygon cross-section. Proposed HBIM parameters introduce...
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Headspace Extraction onto a 3D-Printed Device for GC-MS Quantification of Polychlorinated Biphenyls in Newborn Urine
PublicationPolychlorinated biphenyls (PCBs) are persistent organic pollutants that pose significant health risks, especially for neonates. Traditional urine analysis methods for PCBs are often complex and prone to contamination. This study introduces a novel, efficient, and contamination-free method for PCB analysis in neonatal urine using 3D-printed extraction devices. A headspace extraction method was developed, utilizing a 3D-printed device containing...
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Hierarchical Alignment of Multiple Time Series With Missing Timestamps
PublicationCollecting data using a UAV nomadic gateway, which serves as a "go-between" edge device between resource-limited end sensor devices and a cloud instance may lead to data quality issues. Power outages on end devices together with MCU lacking the system clock may not only make collected time series data incomplete but also disrupt timestamping of sequences of samples. The proposed data fusion method performed at the cloud side combines...
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High Internal Phase Oil-in-Water Emulsions Stabilised by Cost-Effective Rhamnolipid/Alginate Biocomplexes
PublicationA novel, cost-effective, partially purified biosurfactant in the form of a rhamnolipid biocomplex (RLBC) was investigated for its emulsifying properties. The RLBC was obtained through the cultivation of Pseudomonas sp. SP-17 on glycerol, followed by acidic precipitation, without the use of organic solvents for isolation or purification. Composed of rhamnolipids (RLs) and the exopolysaccharide alginate, RLBC exhibited emulsifying...
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High performance ozone nanobubbles based advanced oxidation processes (AOPs) for degradation of organic pollutants under high pollutant loading
PublicationAdvanced Oxidation Processes (AOPs) have proven to be an effective solution for chemical wastewater treatment, particularly for degradation of organic pollutants, especially dyes. Ozonation is recognized as one of the most prevalent AOPs. Nevertheless, some cases show a lowered efficiency of O3 utilization which is attributed to its inadequate distribution in the treated water causing low residence time, low mass transfer coefficient...
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High sensitivity voltammetric sensor of 4-nitrotoluene based on nanoflake-rich boron-doped carbon nanowall electrode for water safety
PublicationThis study demonstrates a highly efficient electrochemical sensing platform for 4-nitrotoluene (4-NT) detection based on nanoflake-rich boron-doped carbon nanowall (NF-BCNW) electrodes. The electrodes, fabricated using a one-step deposition process, exhibit remarkable properties, including fast charge transfer and a developed surface area. The research shows the high efficiency of 4-NT detection in laboratory-grade aqueous samples,...
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High-Efficiency Switched-Capacitor Multilevel Inverter Topology with Lower Number of Switching Components
PublicationIncreasing the output voltage of sources such as photovoltaic (PV), fuel cells, and battery storage devices requires a boost action. The proposed switched capacitor multilevel inverter (SCMLI) topology incorporates nine power semiconductor switches, a dual DC voltage source, and a single capacitor, capable of generating a nine-level output voltage with dual voltage gain. Additional features of the proposed SCMLI topology include...
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Higher‐Order Gravity Waves and Traveling Ionospheric Disturbances From the Polar Vortex Jet on 11–15 January 2016: Modeling With HIAMCM‐SAMI3 and Comparison With Observations in the Thermosphere and Ionosphere
PublicationIn Vadas et al. (2024, https://doi.org/10.1029/2024ja032521), we modeled the atmospheric gravity waves (GWs) during 11–14 January 2016 using the HIAMCM, and found that the polar vortex jet generates medium to large-scale, higher-order GWs in the thermosphere. In this paper, we model the traveling ionospheric disturbances (TIDs) generated by these GWs using the HIAMCM-SAMI3 and compare with ionospheric observations from ground-based...
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Highly Compact Dual-Band Frequency Selective Surface for Path-loss and Coverage Improvement in Millimeter-wave Advanced Wireless Applications
PublicationIn this work, a compact dual-band frequency selective surface (FSS) for path-loss and coverage improvement in advanced wireless communication is showcased. The proposed FSS is a single-layer design with stable and high performance at both 24 GHz and 38 GHz operating frequencies, respectively. The design is highly compact with two wide-band reflection coefficient responses having 49.5% (14.5 – 26.4 GHz) and 66.57% (35.8 – 39.8 GHz)...
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High-Performance Ceramic-Carbon Composite Electrodes for Sustainable Wastewater Remediation: A Comparative Study of Catalytically-active Nanoparticle Loading
PublicationThis study presents the development and analysis of novel three-dimensional ceramic-carbon composite electrodes enhanced with titanium dioxide (TiO2) nanoparticles or potassium trivanadate (KV3O8) microcrystals for electrochemical and photoelectrochemical wastewater treatment applications. These composites feature high carbon content, ensuring excellent electrical conductivity, making them suitable as cost-effective, non-toxic...
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Holistic view to decarbonising cruise ships with a combination of energy saving technologies and hydrogen as fuel
PublicationCruise ship decarbonisation was studied on a Mediterranean cruise profile. The analysis focused on ship energy flows, fuel consumption, carbon emissions, ship CII and EEDI. A combination of technologies for reducing ship fuel consumption was simulated before introducing hydrogen fueled machinery for the ship. The studied technologies included ultrasound antifouling, shore power, battery hybrid machinery, waste heat recovery and...
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Homo Managerius: The Paradox of Leadership
PublicationThis study explores leadership paradoxes, defined as persistent conflicts between interdependent elements, and their implications for leadership practices in Central and Eastern European (CEE) contexts. Conducted in Poland, the research investigates how leaders, non-leaders, and students perceive leadership styles and management challenges, revealing nuanced differences across these groups. The study employed the Leadership Practices...
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Hospitality Human Capital process model in crisis management: Managing human capital and revealing employees’ hidden capabilities
PublicationAs the hospitality industry is highly human-dependent, proper Human Capital management is crucial for responding to these challenges and becoming resilient in the long-term perspective. This study aims to verify the Value-Driven Process Model of Hospitality Human Capital management in the context of Crisis Management in restaurant SMEs, which is an underresearched part of the industry. The authors adjust the model by Young et al....
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House dust - unwanted problem for the occupant of the facility, but a promising source of scientific information about the quality of indoor environment
PublicationHouse dust is a naturally occurring component of indoor environments made of various types of individuals on which contaminants present in the environment can settle over time. While dust sample collection can be done using available household appliances (brushing, sweeping surfaces, vacuum cleaners, air-conditioner filters and ventilation systems), further sample preparation and determination of chosen analytes can be problematic...
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How can the double bias of mistakes block organizational intelligence? Gender and position analysis
PublicationPurpose – This study aims to examine whether double bias of mistakes (DBM) jeopardizes organizational learning and intelligence.Moreover, it verifies how female and male knowledge workers affected by the DBM impact organizational intelligence building. Design/methodology/approach – The structural equation modeling method was used to analyze a large sample of 1,111 Polish knowledge workers (mixed sectors). Findings – This study...
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How decoherence affects the security of BB84 quantum key distribution protocol
PublicationWe present how the mechanisms of quantum Darwinism allow for information leakage in the standard BB84 quantum key distribution protocol, a paradigmatic prepare-and-measure quantum cryptography scenario. We work within the decoherence theory framework and employ the model of measurements provided by quantum Darwinism. We investigate how much of the information about the results crucial for the cryptographic key to be kept secret...
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How IT Professionals Perceive Artificial Intelligence Myths
PublicationArtificial Intelligence (AI) has been recently attracting a lot of attention despite its long history. A good part of its presence in media and non-technical conversations is linked to existing myths and fears about its effects on humans and society. Literature has already analyzed how this type of information influences the general public and non-technical professionals but not how IT professionals react to AI myths. This article...
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Human brain local field potential recordings during a battery of multilingual cognitive and eye-tracking tasks
PublicationIntracranial human brain recordings from multiple implanted depth electrodes using stereo-EEG (sEEG) technology for seizure localization provide unique local field potential signals (LFP) sampled with standard macro- and special micro-electrode contacts. Over one hundred macro- and micro-contact LFP signals localized in particular brain regions were recorded from each sEEG monitoring case as patients engaged in an automated battery...
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Hybrid laser-micro-arc oxidation techniques for enhanced biocompatibility and surface modification of Ti13Nb13Zr alloy in biomedical applications
PublicationHybrid laser-micro-arc oxidation techniques for enhanced biocompatibility and surface modification of Ti13Nb13Zr alloy in biomedical applications
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Hydrodynamic cavitation in wastewater treatment
PublicationWater pollution by pharmaceutical and personal care products is identified as one of the major problems facing around the world. Advanced oxidation processes (AOPs) are one of the most efficient methods for the rapid oxidation of the target pollutants to complete mineralization. The hydrodynamic cavitation (HC) process is one of the important AOPs for the degradation of various water pollutants. This chapter aims to cover the HC...
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Hydroelastic properties of the sailing fin – influence of the stiffness distribution on the hydrodynamic forces
PublicationThis thesis addresses the problem of determining the hydromechanical forces generated by flexible hydrofoils considering their deformation. The research was done on the example of the composite windsurfing fin for the RS:X monotype class. Despite the assumption of their identity, the everyday practice showed that the variations in the hydrodynamic and mechanical properties occur, affecting their performance. This thesis focuses...
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Hydrogel membranes in organ-on-a-chip devices: A review
PublicationOrgan-on-a-chip (OoC) devices represent advanced in vitro models enabling to mimic the human tissue architecture function and physiology, providing a promising alternative to the traditional animal testing methods. These devices combine the microfluidics with soft materials, specifically hydrogel membranes (HMs) for mimicking the extracellular matrix (ECM) and biological barriers, such as the blood-brain barrier (BBB). Hydrogels...
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I know but I Imagine… Algorithmic Stories on the Borderline of Journalism
PublicationResearch on algorithmic knowledge has primarily focused on professional users or so-called ordinary people. This segmentation highlights a gap in studying those who fall in between.To fill this gap, we conducted research among journalism students pursuing higher education in journalism who found themselves on the “borderline”: they are no longer “ordinary” users, but are not yet professional specialists. Drawing from latest research...
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Identification and modeling of sandwich composite for possible structural reuse after over 20 years working as aerodynamic shell
PublicationThis paper focuses on the identification and modeling of a sandwich composite material derived from a decommissioned wind turbine blade for potential structural reuse. The main research question was whether it is possible, based solely on the recovered material, to achieve an identification accurate enough to model the nonlinear response of the shell structure with satisfactory agreement. To address this, material parameters and...
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Identification of potential markers of elevated anticandidal activity of propolis extracts
PublicationFor centuries, propolis has been one of the most important and popular antimicrobial (antibacterial and antifungal) agents used in traditional medicine worldwide. Despite centuries of use of this product, the molecular mechanisms of its activity remain not fully recognized, and the components that determine its biological activity have not been identified. Hence, the main goal of the present study was to identify propolis ingredients...
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Identification of threats affecting the risk of urban regeneration of post-industrial areas
PublicationOne of the main problems of highly urbanised areas is progressively degrading land. This process is mainly caused by the closure of enterprises that have failed to adapt to the realities of the economy and the lack of investment. Post-industrial areas are usually large, diverse and polluted complexes that may have historical and locational value. Currently, there is a growing interest among European city authorities in this type...
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Impact assessment of excessive and undesirable deformations in cable-to-girder connections on the structural safety of the University cable-stayed bridge in Bydgoszcz (Poland)
PublicationThis article presents analyses conducted to determine the load-bearing capacity of cable-to-girder connections of a cable-stayed bridge located in Bydgoszcz, Poland. The structure was opened to traffic in 2013 and operated without incident for seven years. In 2020, excessive deformations were discovered in the zones where cables are connected to deck girders, leading the owner to close the bridge to traffic. The results of site...
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Impact of canny edge detection preprocessing on performance of machine learning models for Parkinson’s disease classification
PublicationThis study investigates the classification of individuals as healthy or at risk of Parkinson’s disease using machine learning (ML) models, focusing on the impact of dataset size and preprocessing techniques on model performance. Four datasets are created from an original dataset: (normal dataset), ( subjected to Canny edge detection and Hessian filtering), (augmented ), and (augmented ). We evaluate a range of ML models-Logistic...
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Impact of clinical factors on accuracy of ovarian cancer detection via platelet RNA profiling
PublicationOvarian cancer (OC) presents a diagnostic challenge, often resulting in poor patient outcomes. Platelet RNA sequencing, which reflects host response to disease, shows promise for earlier OC detection. This study examines the impact of sex, age, platelet count, and the training on cancer types other than OC on classification accuracy achieved in the previous platelet-alone training data set. A total of 339 samples from healthy donors...
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Impact of free water on strain rate response of concrete in compression with a fully coupled DEM/CFD approach
PublicationW tym artykule zbadano wpływ zawartości wody na dynamiczne zachowanie betonu w stanie jednokierunkowego ściskania w mezoskali. Przeprowadzono obszerne dwuwymiarowe (2D) badania dynamiczne wpływu wolnej wody na dynamiczną wytrzymałość i pękanie betonu o niskiej porowatości. Dogłębnie zbadano wpływ szybkości odkształcania, nasycenia płynem i lepkości płynu. Zachowanie betonu w pełni i częściowo nasyconego płynem symulowano przy użyciu...
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Impact of Japanese Encephalitis in Adults: Risk Factors and Associated Challenges
PublicationJapanese encephalitis virus belongs to flavivirus and is the main cause of viral encephalitis in many countries of Southeast Asia with high fatality rate. JE directly affects the central nervous system and ultimately leads to neuronal cell death. JEV primarily affects the pediatric age group, but in the last few years, some reports have been published from different locations of the world reporting JE cases in adults. In this...
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Impact of postharvest processing on the health benefits of durian-derived products
PublicationDurian (Durio zibethinus Murr.) is a seasonal fruit with a short harvesting period, requiring postharvest processing such as cutting, peeling, freeze-drying, cooking, and frying to enhance its shelf life and nutritional quality. In this study, fresh Monthong durian (MTD), MTD Sticks, MTD Cake, and MTD Chips were analyzed for polyphenols, phenolic acids, tannins, flavonoids and thermal stability. Antioxidant activity was assessed...
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Impact of thermal and humidity conditions on structural epoxy adhesives during medium-term exposure
PublicationAn experimental program was undertaken to evaluate the performance characteristics, strengths and limitations of two commercially available two-component structural epoxy resin adhesives under varying thermal and humidity conditions, focusing on their performance in scenarios relevant to engineering applications. The following adhesives were selected for investigation, 3M Scotch DP490 and DP125 Gray. In practice, DP490, a high-rigidity...