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Catalog Publications
Year 2025
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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 Internal Cooling Channel Design in Inconel 718 Turbine Blades via Laser Powder Bed Fusion: A Comprehensive Review of Surface Topography Enhancements
PublicationInconel 718, a widely utilized Ni-based superalloy in the aerospace industry, is renowned for its exceptional mechanical properties, high-temperature corrosion resistance, and thermal stability, making it an ideal material for turbine blades operating under extreme conditions of up to 2200 °C and high-pressure. Traditional single crystal casting, the prevalent manufacturing method for turbine blades, poses inflexibility challenges....
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Environmental and Colonial Dynamics: Turkey's Invasion of Kurdistan of Iraq in 21st-Century Postcolonial Literature
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Environmental and toxicological aspects of sulfamethoxazole photodegradation in the presence of oxidizing agents
PublicationSulfamethoxazole (SMX) is a popular active substance, which is extensively applied to treat bacterial infections in humans and animals. Due to its widespread use, SMX enters the natural environment, where it can undergo degradation. Similarly to other emerging contaminants, SMX photodegradation and the use of oxidants in wastewater treatment processes can lead to the formation of potentially adverse transformation products for...
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Environmental fate and ecotoxicity of diclofenac degradation products generated by photo-assisted advanced oxidation processes
PublicationDiclofenac (DCF), a widely used non-steroidal anti-inflammatory drug (NSAID), poses environmental concerns due to its persistence, bioaccumulation potential, and transformation into toxic byproducts during oxidative and chlorination processes. This study investigated the photodegradation of DCF, both directly and in the presence of oxidants, to characterize the resulting...
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Estimation of grasp type and determining grasping points for Adaptive Grasping Device
PublicationThe article describes the grasping point algorithm (GPA), aimed to determine points for picking up objects by a manipulator equipped with a proprietary gripper enabling three picking modes (suction cup, two fingers, three fingers). The paper outlines the topic of unknown object picking using various types of grippers, both from a stack of objects and stand-alone items. It describes details of four methods available in the literature....
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European Green Deal Index: a new composite tool for monitoring European Union’s Green Deal strategy
PublicationThe European Union’s growth strategy, called "The European Green Deal," strives to create a competitive economy in which there are no net emissions of greenhouse gases in 2050 and growth is decoupled from resource use. This paper aims to develop a new composite indicator, the European Green Deal Index, to analyse the implementation of the European Green Deal in the Member States. This index is based on 26 indicators proposed by...
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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 overstrength-based interaction checks for columns in steel moment frames
PublicationCurrent design guidelines in the United States require a check for only column axial force under overstrength seismic loads for capacity-designed steel moment frames. A study is presented to examine the implications of this guidance, which disregards the column interaction check (including both axial force and moment) under overstrength seismic loads. A set of thirteen steel moment frames are designed using multiple rules that...
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Evaluation of Selected Modulation Techniques in Underwater Multipath Channel
PublicationThere is a growing interest in the use of Autonomous Underwater Vehicles (AUVs) and Underwater Sensor Networks (USNs) for scientific, military, and industrial applications, leading to the development of wireless underwater communications. However, the channel for Underwater Acoustic (UWA) communications is challenging compared to the radio wave propagation in the air. Especially in shallow waters, where the channel has strong multipath...
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Evaluation of the Variability of Vibration Measurement Results in Rolling Bearing Quality Control
PublicationThe final result of rolling bearing quality control is influenced by many factors that are not always taken into account. If non-conforming products leave the factory, then the reliability of equipment containing rolling bearings is significantly weakened. The paper presents an analysis of the reasons for the variability of vibration measurement results in rolling bearing quality control. The paper describes the organisation of...
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Examination of the effects of short-term oxidative stress on glucocorticoid conversion in marine mussels
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Examining the burden of mental disorders in Jordan: an ecological study over three decades
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Excited states of mono- and biruthenium(II) complexes adsorbed on nanocrystalline titanium dioxide studied by electroabsorption spectroscopy
PublicationComprehensive characterization of the lowest energy electronic excited states for mono- and binuclear Ru(II) complexes containing bipyridine ligands has been performed by electroabsorption (EA) spectroscopy. The EA spectra of Ru complexes sensitizing a TiO2 semiconductor were compared with the spectra of these complexes in the form of solid neat films, both of which parametrized within the Liptay theory. The extracted values of...
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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, Analytical, and Numerical Analyses of Slurry Erosion Resistance of Austenitic 1.4301 Stainless Steel
PublicationThe degradation of 1.4301 (AISI 304, X5CrNi18-10) stainless steel with two different impact angles (30 deg and 90 deg) has been investigated using a slurry pot tester. Spherical solid particles were used in the experiment. The impact angle significantly influenced the erosion resistance of 1.4301 steel. Tests conducted at an impact angle of 30 deg showed a higher erosion rate of approximately 91%. The test results showed that with...
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Experimental and numerical study of free convective heat transfer in air performed simultaneously from the upper and lower surfaces of a horizontal plate heated on both sides
PublicationThis paper presents an experimental study, supported by numerical analysis, on convective heat transfer in air from a newly designed, horizontal, double-sided heated Type II plate. Unlike the single-sided heated Type I plate, where the heating surface faces either upwards or downwards, the Type II plate heats both surfaces simultaneously. The tested plate was constructed from three glued laminates, each 0.6 mm thick, resulting...
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Experimental and Theoretical Study on Electron Interactions with Acetic Acid Molecules
PublicationThe absolute total cross section for electron collisions with acetic acid has been measured using an electrostatic electron spectrometerand linear transmission method for collision energies ranging from 0.4 to 300eV. Elastic electron scattering from acetic acid within a low-energy range has also been studied theoretically using the Schwinger multichannel and R-matrix methods, in the static-exchange and static-exchange plus polarization...
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Experimental evidence of the excited-state mixing in the blue emitter for organic light-emitting diodes
PublicationHigh hopes have been placed on organic emitters, which are supposed to solve the problem of low stability of blue OLEDs. A peculiar phenomenon of thermally activated delayed fluorescence (TADF), which brought such emitters to the range of the top-studied materials for organic optoelectronics within the last decade, remains poorly understood. Here, we report the results of comprehensive photophysical studies of one of the most successful...
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Experimental research and numerical modelling of mode I fracture initiation in notched polycarbonate specimens
PublicationIn this paper the results of experimental data from fracture test and numerical calculations under critical loading (at the moment of crack initiation) were presented. The polycarbonate specimens were subjected to tension. The flat notched elements (V-type edge notches with different root radii: 0.1, 0.5, 2 and 10 mm) were made in two thicknesses: 5 and 15 mm. The ARAMIS 3D 4 M vision system for non-contact displacement measurements,...
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Experimental study of magnetorheological fluids under large periodic deformations
PublicationMagnetorheological (MR) fluids are smart materials whose properties can be controlled by a magnetic field. They are used in a variety of applications with tailored operating parameters, facilitating broad and relatively straightforward implementation and control of the functional properties of these systems. The aim of the study was to determine the variation in shear stress of MR fluids under varying...
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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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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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Expert system against machine learning approaches as a virtual sensor for ventricular arrhythmia risk level estimation
PublicationRecent advancements in machine learning have opened new avenues for preventing fatal ventricular arrhythmia by accurately measuring and analyzing QT intervals. This paper presents virtual sensor based on an expert system designed to prevent the risk of fatal ventricular arrhythmias associated with QT-prolonging treatments. The expert system categorizes patients into three risk levels based on their electrocardiogram-derived QT...
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Exploitation of Perennial Plant Biomass for Particleboards Designed for Insulation Applications
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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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Exploration of vitamin D hydroxy metabolites C3 epimers in patients with cardiovascular disease: an observational study
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Exploring Cu-oxide and Mn-oxide impregnated biochar nanocomposites for sustainable chromium removal from water: Reusability and kinetic studies
PublicationThe present study aims to evaluate the potential of Sesbania bispinosa biochar (SBBC) and its nanocomposites, SBBC/Mn-oxide, SBBC/Cu-oxide and SBBC/Mn-oxide/Cu-oxide for Cr removal from contaminated water. Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX) and point of zero charge (PZC) were employed. Impact of initial Cr concentration (25–200 mg/L), pH...
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Exploring the role of carbon nitrides (melem, melon, g-C3N4) in enhancing photoelectrocatalytic properties of TiO2 nanotubes for water electrooxidation
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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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Features and skills that build the profile of the head of a communications office (in the opinion of students) - case study
PublicationThe article presents an introduction to the concept of the features and skills that are targeted to build a communication manager based on the available literature on the subject. The article describes comprehensive competencies that can be used in practice. The publication begins with an indication of communication in the light of current literature on the subject, an explanation of the characteristics...
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Feminist Lens on Gender Roles in Entrepreneurial Intention and Implementation
PublicationBased on Social Feminist Theory, Post-Structural Feminism and Gender-Role Orientation (GRO) (masculinity, femininity and androgyny), the aim of this research is to study the entrepreneurial process through the lenses of both biological sex and socially constructed gender, in order to disentangle their effects and to shed new light on the process. Secondly, we aim to push forward the research on the early-stage entrepreneurial process...
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FeS-based nanocomposites: A promising approach for sustainable environmental remediation – Focus on adsorption and photocatalysis – A review
PublicationPopulation expansion, industrialization, urban development, and climate changes increased the water crisis in terms of drinking water availability. Among the various nanomaterials for nanoremediation towards water treatment, FeS-based nanocomposites have emerged as promising candidates in the adsorptive and photocatalytic removal of contaminants. This paper, therefore, evaluates the potential of FeS-based nanocomposites for environmental...
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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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First truly deep eutectic solvent (DES) based stationary phase for high-performance liquid chromatography (HPLC)
PublicationDeep eutectic solvents (DESs) have gained significant attention due to their environmentally friendly properties and versatile applications in various fields, including analytical chemistry. This study investigates the use of a deep eutectic solvent (DES) composed of l-proline protonated with hydrochloric acid and xylitol as a surface modifier for silica-based stationary phases in high-performance liquid chromatography (HPLC)....
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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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Fluoride-induced stress shapes partial denitrification granules to sustain microbial metabolism
PublicationThe presence of fluoride ions (F-) in nitrogen-rich wastewater from photovoltaic and semiconductor industries introduces a significant challenge to biological treatment processes, particularly for the innovative partial denitrification (PD) process, which supplies nitrite for anaerobic ammonium oxidation (Anammox). This study provides the first comprehensive and systematic investigation of the effects of F- stress on the granule-based...
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Fluvial ecology disasters: the impact of the Gliwice Canal on the ecological crisis in the Oder River basin, Poland (2022)
PublicationIn August 2022, the Oder River experienced an ecological disaster, resulting in the extinction of hundreds of aquatic organ- isms. Mass fsh deaths also occurred during that time in the Gliwice Canal, located in southern Poland, which connects to the upper section of the Oder River. The aim of the article was to assess the impact of the waters from the Gliwice Canal on the water quality changes in the Oder River, as expressed by...
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Follow-up assessment of the microvascular function in patients with long COVID
PublicationLong COVID is a complex pathophysiological condition. However, accumulating data suggests that COVID-19 is a systemic microvascular endothelial dysfunction with different clinical manifestations. In this study, a microvascular function was assessed in long COVID patients (n = 33) and healthy controls (n = 30) using flow-mediated skin fluorescence technique (FMSF), based on measurements of nicotinamide adenine dinucleotide fluorescence...
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Forward-Based DC-DC Converter With Eliminated Leakage Inductance Problem
PublicationThe novel forward-based converter for low-power solar applications is presented in this work. The proposed converter provides an efficient performance in a wide range of the input voltage with low component count. The proposed dc-dc topologies are advanced forward dc-dc converters with an additional clamped output capacitor. The idea of such a type of converter is to transfer magnetizing energy of transformer to the output side,...
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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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Framework of communication tools for an international company - external communication
PublicationThe following article presents a set of communication tools that a joint company can take advantage of. The publication begins with a description of the historical background of communication, followed by a classification of communication tools into internal and external categories, along with brief characteristics of each. It indicates the purpose of implementing communication tools and the impact...
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Framework of communication tools for an international company - internal communication
PublicationThe following article presents a set of communication tools that a joint company can take advantage of. The publication begins with a description of the historical background of communication, followed by a classification of communication tools into internal and external categories, along with brief characteristics of each. It indicates the purpose of implementing communication tools and the impact...
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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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Generalized Matrix Learning Vector Quantization Computational Method for Intelligent Decision Making: A Systematic Literature Review
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Generative Diffusion Models for Compressed Sensing of Satellite LiDAR Data: Evaluating Image Quality Metrics in Forest Landscape Reconstruction
PublicationSpaceborne LiDAR systems are crucial for Earth observation but face hardware constraints, thus limiting resolution and data processing. We propose integrating compressed sensing and diffusion generative models to reconstruct high-resolution satellite LiDAR data within the Hyperheight Data Cube (HHDC) framework. Using a randomized illumination pattern in the imaging model, we achieve efficient sampling and compression, reducing...
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Genetic Determinants and Biofilm Properties Useful in Estimation of UTI Pathogenicity of the Escherichia coli Strains Isolated from Free-Living Birds
PublicationBackground/Objectives: According to the One Health concept, wild birds can be indicators of ecosystem pollution and disease incidence. Escherichia coli strains are widespread worldwide, but there are still few reports on the association of human infections with a potential reservoir of highly pathogenic human strains in wild birds. Fecal E. coli with uropathogenic potential (UPEC) can be transmitted between birds and humans and...
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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...