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Catalog Publications
Year 2025
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Diagnosis of marine internal combustion engines by means of rapidly variable temperature and composition of exhaust gas as an alternative or support for currently used diagnostic methods
PublicationThe article points out relevance of parametric diagnostics of ship engines and analyzes the state of research in this field. A method is proposed for diagnosing engine systems on the basis of rapidly variable exhaust temperature while measuring its composition. A method for determining diagnoser tools from the signal within one engine cycle and mathematical and statistical treatment of test results is presented. The products of...
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Differential evolution-optimized gold nanorods for enhanced photothermal conversion
PublicationNoble metallic nanoparticles (NPs) have shown great potential in the field of sustainable energy. Gold nanorods (AuNRs), known for their size-dependent optical and electrical characteristics, are strong candidates for various applications, particularly in solar energy conversion. Additionally, AuNRs are well-established nanomaterials in precision medicine. In this paper, we optimize the shape and size of AuNRs to maximize light-to-heat...
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Digital Dependence vs. National Performance. Preliminary Data Analysis
PublicationCountries differ in their capacity to develop and use digital technology– some build such capacity locally, others rely on foreign countries and corporations, and yet others do both. While sourcing arrangements may vary, the outcome is critical to countries’ performance – their ability to pursue national goals and priorities. The paper explores the relationship between the countries’digital dependence and performance,...
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Dynamic anaerobic digestion-based biorefineries for on-demand renewable energy and bioproducts in a circular bioeconomy
PublicationAnaerobic digestion (AD) is an important biotechnology for treating biodegrad- able residues and producing bioenergy, yet its full potential remains untapped. We investigate a two-phase AD system for biorefinery applications, producing valuable bioproducts, such as volatile fatty acids (VFAs) and biogas, from grass feedstock. We introduce a demand-driven operational approach to match mar- ket conditions, while minimising water...
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Effect of loss/gain of energy on standing oscillations in a planar resonator
PublicationThe dynamics of small-magnitude acoustic perturbations in a planar resonator is considered. Fluid flow is affected by a heating-cooling function, which may disturb its adiabaticity. This concerns open flows with an external inflow of energy and flows with relaxation of thermodynamic processes, such as exothermic chemical reaction and excitation of vibrational degrees of freedom of a molecule. These processes make the flow acoustically...
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Effect of process parameters on properties of Mn1.5CuFe0.5O4 spinel oxide coatings deposited by spray pyrolysis method
PublicationOne of the critical issues in the lifetime of metallic interconnects is related to their high oxidation rate and Cr diffusion, which negatively affect their performance. In the present study, a novel Fe modified Mn–Cu spinel oxide with the chemical composition of Mn1.5CuFe0.5O4 as protective coating was deposited on the surface of Crofer 22 APU and alumina by the spray pyrolysis method. The effects of different deposition conditions...
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Effect of process parameters on the wear characteristics and lapping performance of SLS-fabricated polyamide tools
PublicationNowadays, additive manufacturing (AM) offers new possibilities in the production of tools for various finishing processes, such as grinding, lapping, and polishing. In this study, the effect of different lapping parameters was investigated on the wear characteristics and lapping performance of SLS printed polyamide tools. In accordance with the PS/DK 23 experimental design, machining of Al2O3 ceramic materials have been conducted...
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Effect of TiO2 percentage on the hydrogen-based direct reducibility of high-grade pellets
PublicationThe steel industry relies heavily on the direct reduction of iron ore pellets, which is a more environmentally friendly alternative to traditional blast furnaces, by reducing CO2 emissions. This study investigated the effects of different TiO2 contents on the reducibility of high-grade iron ore pellets using hydrogen (H2). The research employed HSC chemistry, COMSOL Multiphysics, and X-ray tomography to analyse the thermodynamics...
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Effects of aggregate crushing and strain rate on fracture in compressive concrete with a DEM-based breakage model
PublicationW tym artykule zbadano, w jaki sposób kruche kruszywa wpływają na mezoskopowe zachowanie dynamiczne betonu w warunkach jednoosiowego ściskania. Przeprowadzono obszerne dynamiczne obliczenia dwuwymiarowe (2D), aby zbadać wpływ kruszenia kruszywa i szybkości odkształcania na dynamiczną wytrzymałość betonu i wzory pęknięć. Wykorzystując model pękania oparty na DEM, beton symulowano jako materiał czterofazowy składający się z kruszywa,...
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Effects of pyrocatechol on the computational, structural, spectroscopic and thermal properties of silver-modified hydroxyapatite
PublicationThis study investigates the synthesis and characterization of hydroxyapatite (HAp) ceramic biomaterials doped with silver (Ag) and pyrocatechol. HAp, commonly utilized in the treatment of hard tissues including teeth and bones, was produced and analyzed to assess the structural, morphological, elemental, and thermal properties of the materials. The phase and crystal structures of the synthesized HAp biomaterials were examined using...
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Efficacy of modal curvature damage detection in various pre-damage data assumptions and modal identification techniques
PublicationThe efficacy of modal curvature approach for damage localization is discussed in the paper in the context of input data. Three modal identification methods, i.e., Eigensystem Realization Algorithm (ERA), Natural Excitation Technique with ERA (NExT-ERA) and Covariance Driven Stochastic Subspace Identification (SSI-Cov), and four methods of determining baseline data, i.e., real measurement of the undamaged state, analytical function,...
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Efficient Field Correction of Low-Cost Particulate Matter Sensors Using Machine Learning, Mixed Multiplicative/ Additive Scaling and Extended Calibration Inputs
PublicationParticulate matter (PM) stands out as a highly perilous form of atmospheric pollution, posing significant risks to human health by triggering or worsening numerous heart, brain, and lung ailments, and even increasing the likelihood of cancer and premature mortality. Therefore, ensuring accurate monitoring of PM levels holds paramount significance, particularly urban zones of dense population. Still, achieving precise readings of...
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Electrospun Fibers from Biobased and Recycled Materials for Indoor Air Quality Enhancement
PublicationAir filters are crucial components of building ventilation systems. Compared to conventional air filter media like glass fibers and melt-blown fibers, electrospinning membranes are more efficient for capturing various pollutants due to the smaller pores present on the structure. In this paper, activated carbon filters were prepared with eco-friendly polylactic acid (PLA) and microcrystalline cellulose (MCC) using electrospinning...
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EMF Signature Analysis in a Marine-Type Brushless Synchronous Generator for Online Fault Detection
PublicationThe objective of the paper is to investigate the application of the current signature analysis type approach for the online diagnosis of a marine-type Brushless Synchronous Generator (BSG). The system’s diagnostic would be done using an automated test procedure when the generator comes online or offline. The analysis of the measured electromotive force waveform (EMF) is used for fault detection. The paper’s main contribution...
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Energy potential and economic viability of small-scale wind turbines
PublicationSmall-scale wind turbines (SWTs) have the potential to complement residential PV systems, but their feasibility is highly dependent on local wind conditions, particularly at low elevations where wind resources exhibit high spatial and temporal variability. This study evaluates SWT potential in Poland (Central Europe) using hourly wind speed measurements over six years from 269 gauging stations. A generic power curve is applied...
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Enhanced Gain and Isolation Dual-Band Dual-Port MIMO Antenna with Integrated Lens for Millimeter-wave 5G Internet-of-Things Applications
PublicationThis paper proposes a dual-band dual-port Multiple Input Multiple Output (MIMO) antenna with enhanced gain and port isolation for 5G millimeter-wave (mm-wave) Internet of Things (IoT) applications. The gain enhancement is achieved using a 3D-printed dielectric lens integrated with the antenna, whereas port isolation is improved using a novel 2D compact metamaterial incorporated between the MIMO elements. The proposed integrated...
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Enhanced sorption of inhibitory compounds from fermentation broth using a MOF@pseudo-DES composite
PublicationThe increase in biorefinery processes underscores the need for effective biofuel generation; nevertheless, inhibitors such as hydroquinone (HQ), 5-hydroxymethylfurfural (HMF), furfural (FF), and vanillin (VAN) resulting from biomass degradation impede microbial growth and process efficiency. Herein, a deep eutectic solvent (DES)-like substance was in-situ generated on the surface of NH2-UiO-66 via a post-synthetic coating process...
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Enhancing the bioconversion rate and end products of black soldier fly (BSF) treatment – A comprehensive review
PublicationFood security remains a pressing concern in the face of an increasing world population and environmental challenges. As climate change, biodiversity loss, and water scarcity continue to impact agricultural productivity, traditional livestock farming faces limitations in meeting the growing global demand for meat and dairy products. In this context, black soldier fly larvae (BSFL) have emerged as a promising alternative for sustainable...
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Enhancing the fracture performance of cementitious composites through synergistic integration of graphene with polyolefin and polyvinyl alcohol fibres
PublicationPolyvinyl alcohol fibre (PVA) and polyolefin fibre (PO) are utilised in engineering cementitious composites (ECCs) due to their excellent crack-bridging capabilities, durability, ductility and energy absorption capacity. However, their combined effects on crack propagation mechanism, especially when combined with nano-reinforcement, remain underexplored. Recently, graphene nanoplatelets (GNPs) have emerged as promising nano-reinforcement...
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Evaluating oxide nanoparticle exsolution on A-site deficient PrBaCo2O6-δ electrodes
PublicationNanoparticle exsolution is a powerful technique for functionalizing redox oxides in energy applications, particularly at high temperatures. It shows promise for solid oxide fuel cells and electrolyzers. However, exsolution of other chemistries like metal oxides is not well studied, and the mechanism is poorly understood. This work explores oxide exsolution in PrBa1−xCo2O6−δ (x = 0, 0.05, 0.1, 0.15) double perovskites, practiced...
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Evaluation of Damage and Nonlinearity of Cold Recycled Materials Mixtures Using a New Strain Sweep Testing Procedure
PublicationThis article describes a new strain sweep testing method to identify the effects of damage and reversible nonlinearity. Indirect tensile stiffness modulus tests were performed at increasing strain (up to 322 με) to evaluate the stiffness behavior with increasing damage; parallel tests at small strain (43 με) were performed to evaluate the linear behavior. Tests were carried out on two cement-bitumen–treated material (CBTM) mixtures...
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Evaluation of machine learning applications in building life cycle processes for energy efficiency: A systematic review
PublicationIn recent years, machine learning has been increasingly applied to achieve energy efficiency in buildings. This study analyzes the utilization of machine learning across the building life cycle by reviewing literature on building energy efficiency. In this context, a systematic literature search was conducted using the Web of Science (WOS) search engine, and 868 publications were found. The publications were analyzed according...
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Evaluation of Tyrosinase Inhibitory Activity of Carbathioamidopyrazoles and Their Potential Application in Cosmetic Products and Melanoma Treatment
PublicationHyperpigmentation can be prevented by regulating melanin synthesis through tyrosinase inhibition. As such, tyrosinase inhibitors like arbutin, kojic acid, and hydroquinone are commonly used for skin lightening. Recent studies suggest that certain pyrazole derivatives with tyrosinase activity may also have anticancer potential by influencing melanocyte transformation and tumor progression, positioning them as promising candidates...
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Exergy analysis and thermodynamic optimization of a bioenergy with carbon capture and storage gas power plant using Monte Carlo simulation of sewage sludge composition
PublicationAn exergy analysis is performed on the negative CO2 emission gas power plant (nCO2PP), which integrates the fuel preparation, power generation and carbon capture process sections. The cycle is modeled in Aspen Plus coupled with REFPROP, combining deterministic and Monte Carlo stochastic approaches, the latter being a novelty in this work. In all cases studied, the simulations maintain the complex thermodynamic relationships. Exergy...
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Experimental study of the effect of seawater and temperature on the corrosion resistance of cement composites with the addition of copper post-flotation waste
PublicationThe presented results of the study concern the determination of corrosion resistance of cement composites with the copper post-flotation waste (PFW) as a cement substitute in the amounts of 2.5%, 5.0%, 7.5%, and 10%, exposed to seawater, depending on the temperature (10°C and 20°C). To better evaluate and understand the compressive strength, the hydration products of the cement composites were analyzed after exposure to seawater...
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Exploration of Behavioral Patterns and Cognitive Biases among Stock Market Investors
PublicationThis study aims to explore behavioral patterns and cognitive biases among stock market investors. By analyzing investor behavior through a stock market simulator, the research seeks to understand the impact of cognitive biases on investment decisions. The methodology encompasses a detailed analysis of transaction data to identify prevalent patterns and biases. Findings suggest that biases such as overconfidence, representativeness...
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Explosive Charge Applications in Seabed Strengthening for Underwater Pipelines
PublicationThe importance and impact of subsoil quality is discussed with regard to the safety and reliability of underwater pipelines. Non-classical operational analysis is employed to define generalised dynamic systems. A model incorporating loading of the subsoil acting on a pipeline immersed in an underwater excavation is a specific case of a generalised dynamic system. This paper justifies the incorporation of the analytical method...
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Fatigue Damage Evolution in SS316L Produced by Powder Bed Fusion in Different Orientations with Reused Powder Feedstock
PublicationBackground Metal Laser Powder Bed Fusion Melting (LPBF-M) is considered economically viable and environmentally sustainable because of the possibility of reusing the residual powder feedstock leftover in the build chamber after a part build is completed. There is however limited information on the fatigue damage development of LPBF-M samples made from reused feedstock. Objective In this paper, the stainless steel 316 L (SS316L)...
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Finite Element Analysis of Occupant Risk in Vehicular Impacts into Cluster Mailboxes
PublicationThe deployment of cluster mailboxes (CMs) in the U.S. has raised safety concerns for passengers in potential vehicular crashes involving CMs. This study investigated the crashworthiness of two types of CMs through nonlinear finite element simulations. Two configurations of CM arrangements were considered: a single- and a dual-unit setup. These CM designs were tested on flat-road conditions with and without a curb. A 2010 Toyota...
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Flexibility in PAM recognition expands DNA targeting in xCas9
PublicationxCas9 is an evolved variant of the CRISPR-Cas9 genome editing system, engineered to improve specificity and reduce undesired off-target effects. How xCas9 expands the DNA targeting capability of Cas9 by recognising a series of alternative protospacer adjacent motif (PAM) sequences while ignoring others is unknown. Here, we elucidate the molecular mechanism underlying xCas9’s expanded PAM recognition and provide critical insights...
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Flexible MXene/Laser-Induced Porous Graphene AsymmetricSupercapacitors: Enhanced Energy Density of Lateral and Sandwich Architectures Under Different Electrolytes
PublicationDeployment of two-dimensional layered materials beyond graphene, i.e., MXene (Ti3C2Tx, T=-OH, F, O) are rigorously explored for generation-II electrochemical energy storage systems. We report strategic development of asymmetric supercapacitors (ASCs) comprising MXene as negative and laser-induced porous graphene (LIPG) as positive electrode (i.e., MXene//LIPG) to improve electrochemical energy storage in lateral (coplanar) and...
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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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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 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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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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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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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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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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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 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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Implementing an Analytical Model to Elucidate the Impacts of Nanostructure Size and Topology of Morphologically Diverse Zinc Oxide on Gas Sensing
PublicationThe development of state-of-the-art gas sensors based on metal oxide semiconductors (MOS) to monitor hazardous and greenhouse gas (e.g., methane, CH4, and carbon dioxide, CO2) has been significantly advanced. Moreover, the morphological and topographical structures of MOSs have significantly influenced the gas sensors by means of surface catalytic activities. This work examines the impact of morphological and topological networked...
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Implementing fermentation technology for comprehensive valorisation of seafood processing by-products: A critical review on recovering valuable nutrients and enhancing utilisation
PublicationFermentation technology is a biorefining tool that has been used in various industrial processes to recover valuable nutrients from different side streams. One promising application of this technique is in the reclamation of nutritional components from seafood side streams. Seafood processing generates significant amounts of waste, including heads, shells, and other side streams. These side streams contain high quantities of valued...
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Incorporation of doxorubicin into plant-derived nanovesicles: process monitoring and activity assessment
PublicationExtracellular vesicles (EVs) are an experimental class of drug carriers. Alternative sources of EVs are currently being explored to overcome limitations related to their manufacturing from mesenchymal stem cells. In this work, Citrus limon-derived EVs were tested as carriers for the widely used chemotherapeutic drug – doxorubicin (DOX). Capillary electrophoresis (CE) and nanoplasmonic sensing (NPS) were developed for the quality...
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Influence of the Cortical Layer Thickness and Trabecular Layer Pattern Density on 3D-Printed Femur Strength
PublicationThis paper presents the process of preparing and conducting a uniaxial compression test, developing the results, and determining the compressive strength of a femur made using 3D printing technology. The study considers the variable thickness of the outer layer—imitating cortical bone tissue—and the varying density of the inner layer—imitating trabecular bone tissue—which, with further analysis, may aim to replicate different states...
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Insight into charge carrier dynamics and interface design of {0 0 1} TiO2 coupled with TiOF2 for photocatalytic degradation of contaminants of emerging concern
PublicationHerein, the role of titanium oxyfluoride (TiOF2) on the charge carriers generation and electron transport in the {0 0 1} TiO2/TiOF2 heterojunction photocatalysts was examined. Time-resolved microwave conductivity (TRMC), fluorescence lifetime spectroscopy, and DFT calculations were applied to investigate the charge carriers dynamics. These binary photocatalysts in a broad TiOF2 content were further studied in photocatalytic generation of...