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Wydziały Politechniki Gdańskiej
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Catalog Publications
Year 2025
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Engineered intrinsically conducting polymer/MXene smart platforms: Fabrication, clinical translatability, and biomedical applications
PublicationTransition metal nitrides, oxycarbides, and carbides, known as MXenes, are two-dimensional nanomaterials with exceptional properties, including high hydrophilicity, chemical and thermal stability, electrical conductivity, and biocompatibility. However, their high oxidation rate and tendency to agglomerate hinder their applications. Integrating MXenes with intrinsically conductive polymers (ICPs) like polyaniline (PANI), polypyrrole...
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Enhanced electrochemical capacitance of TiO2 nanotubes/MoSe2 composite obtained by hydrothermal route
PublicationThis study presents the hydrothermal synthesis of a novel TiO2 nanotubes/MoSe2 nanocomposite and investigates its enhanced electrochemical capacitance properties. The composite material was fabricated through a hydrothermal method, embedding MoSe2 onto TiO2 nanotubes. The resulting composite, termed Ti/TiO2/MoSe2, exhibited significantly improved electrochemical capacitance compared to TiO2 nanotubes alone. The synthesized composite...
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Enhanced electrochemical performance of sulfur-doped laser-induced graphene supercapacitors: Synergistic effects of doping and plasmochemical surface modification
PublicationThis work introduces a novel, scalable methodology for rapidly fabricating sulfur-doped laser-induced graphene with enhanced porosity and wetting characteristics, targeting advanced supercapacitor applications. An infrared laser scribing technique was employed to create a three-dimensional porous graphene network, with in-situ sulfur doping achieved through physical evaporation using powder precursor. A second-pass laser process...
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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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Enhancement of carbamazepine photodegradation using hybrid of phosphorescent carbon dots coupled with highly porous TiO2 photocatalyst
PublicationThis study focuses on harnessing the synergistic effects between titanium oxide (TiO2) and carbon dots (CDs) to enhance the photocatalytic performance of TiO2. The work describes the synthesis of carbon dots exhibiting fluorescence (CDs) or phosphorescence (PhCDs), as well as the preparation of the TiO2 hybrid. Structural and textural measurements (X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron...
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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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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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Enrichment and characterization of anaerobic ammonium oxidation coupled with iron reduction (Feammox) by anaerobic digestion and conventional activated sludges
PublicationAnaerobic ammonium oxidation coupled to iron reduction (Feammox) plays a key role in nitrogen cycling, yet its potential for wastewater treatment remains underexplored. A key challenge for its engineering applications is obtaining adequate amounts of Feammox sludge. The study aimed to enrich and characterize Feammox activity using anaerobic digestion sludge (ADS) and conventional activated sludge (CAS), respectively. Feammox activity...
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Ensemble Machine Learning Models for Estimating Mechanical Curves of Concrete-Timber-Filled Steel Tubes
PublicationThe use of concrete-timber-filled steel tubes (CTFSTs) as composite structural elements in buildings is gaining attraction among researchers due to their positive structural behavior and high load-bearing capacity. The combination of steel, concrete and timber materials improves energy absorption and ductility making CTFSTs a promising choice for modern construction. However, finding the mechanical properties of CTFSTs is a challenge...
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Enzyme Conjugation - A Promising Tool for Bio-catalytic and Biotransformation Applications – A Review
PublicationEnzymes have revolutionized conventional industrial catalysts as more efficient, eco-friendly, and sustainable substitutes that can be used in different biotechnological processes, food, and pharmaceutical industries. Yet, the enzymes from nature are engineered to make them adapt and enhance their durability in the industrial environment. One promising approach involves the combined use of multiple enzymes that catalyze highly...
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Ergosterol and Lanosterol Derivatives: Synthesis and Possible Biomedical Applications
PublicationLanosterol is the crucial intermediate in ergosterol biosynthesis in fungi. A number of derivatives of natural or synthetic origin of these sterols are portrayed in this review. For the synthetic derivatives, strategies of their syntheses are presented. Biological activities of lanosterol and ergosterol derivatives include antimicrobial, especially antifungal action, anticancer and antiviral effects but also anti-inflammatory and...
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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 optimal inerter location for tuned mass damper inerter systems in multi-storey buildings considering SSI effects
PublicationThis study evaluates the effectiveness of the tuned mass damper inerter (TMDI) in mitigating seismic responses of a 10-storey shear building under soil-structure interaction (SSI) and fixed base conditions. The key novelty of this work lies in employing a multi-objective fitness-dependent optimizer (MOFDO) algorithm to optimize the TMDI parameters and systematically determine the optimal inerter location across different storeys...
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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 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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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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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 investigations of progressive collapse of ageing structures exposed to corrosion and locked cracks
PublicationThis study provides an overview of the key findings from a research project funded by the Polish National Science Center that examined the progressive collapse of ageing structures subjected to corrosion degradation and locked cracks through numerical and experimental means. The study aimed to determine how age degradation affects the strength of metal structural elements, such as steel plates and stiffened panels, as part of ships...
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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 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 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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Exploration of 3‐substituted benzofuran‐tethered sulfamoyl triazoles as carbonic anhydrase inhibitors: Design, synthesis and biological evaluation
PublicationThis study reports the design and synthesis of benzofurantethered sulfamoyl triazoles. These compounds were evaluated against two human carbonic anhydrases (hCA I and II) and three carbonic anhydrases from the bacterial pathogen Mycobacterium TB, (mtCA1–3). The findings indicated that molecules featuring triazolyl benzene-3-sulfonamide were significantly more selective for mtCA 1–3 than hCA I and II. In contrast, across the generated...
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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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Exploring the role of carbon nitrides (melem, melon, g-C3N4) in enhancing photoelectrocatalytic properties of TiO2 nanotubes for water electrooxidation
PublicationCarbon nitrides (CNs), synthesised from melamine at temperatures 400 ◦C or 525 ◦C with their derivatives prepared by acidic protonation and oxidation using H2SO4 are tested as co-catalysts for oxygen evolution re- action (OER) modifying anodic Titania nanotubes (TiO2–NTs) surface. Materials exhibit crystalline structures and contain tri-s-heptazine rings with different terminal groups (–NH2, –NHOH, –NO2, –OH, =O), which are important...
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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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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 for LCP plates
PublicationThe main assumption of modern orthopedics and trauma surgery is to return to full fitness with a short recovery period. Unfortunately, the emergence of lifestyle diseases such as osteoporosis, which is characterized by a decrease in the biological value of bone tissue, a greater number of road accidents and related injuries to the musculoskeletal system, and the increasing expectations of people with degenerative polyarticular...
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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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Fixed point indices of iterates of orientation-reversing homeomorphisms
PublicationWe show that any sequence of integers satisfying necessary Dold’s congruences is realized as the se quence of fixed point indices of the iterates of an orientation-reversing homeomorphism of R^m for m ≥ 3. As an element of the construction of the above homeomorphism, we consider the class of boundary preserving homeomorphisms of R^m_+ and give the answer to the problem posed by Barge and Wójcik (2017) [2] providing a complete...
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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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Fluctuation-enhanced sensing of organic solvent vapors mixture by machine learning
PublicationGraphene back-gated FETs operate as gas sensors and can detect different gases by the fluctuation-enhanced gas sensing (FES) method, utilizing low-frequency noise measurements. Individual Lorentzian components are observed in low-frequency noise and identified by their corner frequency fc, which is characteristic of the adsorbed-desorbed gas molecules. The sensor was irradiated by UV light (275 nm) to enhance its sensing properties...
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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...