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Catalog Publications
Year 2025
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1,3-Propanediol-Based Supported Deep Eutectic Liquid Membranes as an Efficient Material for Carbon Dioxide Separation
PublicationIn this study, new polypropylene-based supported liquid membranes (SLMs) with a liquid phase composed of deep eutectic solvents (DESs) containing choline chloride, acetylcholine chloride, or tetrabutylammonium chloride and 1,3-propanediol were introduced. Fourier transform infrared spectroscopy was employed to verify DES formation, and the thermal stability was assessed using thermogravimetric analysis. The physicochemical properties,...
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A Feasibility Study of Debonding Detection in Multi-Layered Marine Thin-Wall Structures Using a Non-Destructive Vibration-Based Approach
PublicationThis study analyses different debonding defect scenarios on a multi-layered material composed of carbon fibre- reinforced polymer as a composite coating applied to structural steel, with the aim of applying it to marine structures. The study utilises vibration-based experimental non-destructive diagnostics and numerical simulations to thoroughly examine the debonding extent at four different lengths: 0%, 25%, 75%, and 100% of the...
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Advanced genetic algorithm-based signal processing for multi-degradation detection in steam turbines
PublicationThis research contributes to the field of reliability engineering and system safety by introducing an innovative diagnostic method to enhance the reliability and safety of complex technological systems. Steam turbines are specifically referred to. This study focuses on the integration of advanced signal processing techniques and engineering dynamics in addressing critical issues in the monitoring and maintenance of mechanical systems....
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An experimental EEG study of brain activities underlying the Autonomous Sensory Meridian Response
PublicationAutonomous Sensory Meridian Response (ASMR) is an audio-visual phenomenon that has recently become popular. Many people have reported experiencing a tingling-like sensation through their body while watching audio/video clips known as ASMR clips. People capable of having such experiences have also reported improved overall well-being and feeling relaxed. However, the neural activity underlying this phenomenon is not yet well-studied....
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Analysis of heat transfer and AuNPs-mediated photo-thermal inactivation of E. coli at varying laser powers using single-phase CFD modeling
PublicationPurpose In the wake of the COVID-19 pandemics, the demand for innovative and effective methods of bacterial inactivation has become a critical area of research, providing the impetus for this study. The purpose of this research is to analyze the AuNPs-mediated photothermal inactivation of E. coli. Gold nanoparticles irradiated by laser represent a promising technique for combating bacterial infection that combines high-tech and...
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Anterior prefrontal EEG theta activities indicate memory and executive functions in epilepsy patients
PublicationObjective: Cognitive deficits are one of the most debilitating comorbidities in epilepsy and other neurodegenerative, neuropsychiatric, and neurodevelopmental brain disorders. Current diagnostic and therapeutic options are limited and lack objective measures of the underlying neural activities. In this study, electrophysiological biomarkers that reflect cognitive functions in clinically validated batteries were determined to aid...
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Anticancer drugs targeting topoisomerase II for antifungal treatment
PublicationFungal topoisomerase II (TopoII) has been identified as essential for viability. Thus, our research aimed to investigate the potential of fungal TopoII as a novel target for antifungal chemotherapy. We conducted studies on eleventh antitumor compounds targeting human topoisomerase II, either approved by the U.S. Food and Drug Administration (FDA) or currently under clinical trials to evaluate their potential for use in other therapeutic...
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Assessment of Toxicity Associated with Inhalation of Potentially Toxic Elements Present in Combustible Tobacco Products: Cigars, Pipe Tobacco, Bidis and Cigarettes - an Evaluation of Risk Assessment Issues
PublicationSmoking-related diseases represent a substantial global health challenge, particularly given the direct inhalation of smoke into the vulnerable respiratory system. This method of consumption presents a challenge in classifying smoking in terms of exposure to toxins, in comparison to other forms of environmental contamination, such as food or air pollution. Combustible tobacco products (CTPs), including cigars, pipe tobaccos, bidis,...
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Bistability and chaos in the discrete two-gene Andrecut-Kauffman model
PublicationWe conduct numerical analysis of the 2-dimensional discrete-time gene expression model originally introduced by Andrecut and Kauffman (Phys. Lett. A 367: 281–287, 2007). In contrast to the previous studies, we analyze the dynamics with different reaction rates α1 and α2 for each of the two genes under consideration. We explore bifurcation diagrams for the model with α1 varying in a wide range and α2 fixed. We detect chaotic dynamics...
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Chemical composition and techno-functional properties of high-purity water-soluble keratein and its enzymatic hydrolysates
PublicationThis study compared the effectiveness of urea-containing and urea-free L-cysteine solutions in extracting high-quality feather keratin and evaluated commercial proteases for producing keratin-derived bioactive peptides. The urea-assisted extraction was crucial for achieving high structural integrity and yield of soluble keratin. The keratin isolate exhibited oil-holding capacity of 9.37 g/g, foaming capacity of up to 127 %, and...
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Chemical insight into pros and cons of coffees from different regions
PublicationThe main aim of this work was to study the chemical composition of eighteen ground coffees from different countries and continents with regard to the content of hazardous substances as radioactive elements (40K, 226Ra, 228Ra, 234U, 238U and 137Cs), metals, including heavy metals, aluminum and some microelements (V, Cr, Mn, Fe, Co, Ni, Cu, Zn) as well as substances that have a positive effect on human health and well-being (polyphenols,...
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c-Myc inhibition and p21 modulation contribute to unsymmetrical bisacridines-induced apoptosis and senescence in pancreatic cancer cells
PublicationBackground Pancreatic cancer (PC) is one of the most aggressive cancers and is the seventh leading cause of cancer-related death worldwide. PC is characterized by rapid progression and resistance to conventional treatments. Mutations in KRAS, CDKN2A, TP53, SMAD4/DPC4, and MYC are major genetic alterations associated with poor treatment outcomes in patients with PC. Therefore, optimizing PC therapy is a tremendous challenge. Unsymmetrical...
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Compressive and tensile properties of polyurethane foam mimicking trabecular tissue in artificial femoral head bones
PublicationThe presented study aimed to examine the compressive and tensile behavior of the polyurethane foams mimicking trabecular tissue in the artificial human femurs and assess their potential to replicate osteoporotic type of human bone tissue. Two types of Synbone femur models: one of the normal density (model 2350) and one of the lower density (model LD2350), and three types of Sawbones femur models (model 1130-21-8, 1130-21-3, 1130-192)...
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Crisis Management in the Hospitality Industry Analyzed Through a Social Sustainability Focus on Male and Female Leadership Styles
PublicationHuman capital management's managerial practices during a crisis ensure the achievement of main strategic objectives and result in long-term values, such as organizational learning, resilience, innovation, and business flexibility. Therefore, this study considers the social sustainability perspective in the hospitality industry as a critical aspect of crisis management. It specifically...
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Declarative ship arenas under favourable conditions
PublicationAccording to maritime regulations, a collision-avoidance action shall be taken at an “ample time” while strict interpretation of this term is ambiguous. Evasive manoeuvres, executed by marine navigators on a daily basis, are usually carried out well in advance, while the distance at which they decide to perform such a manoeuvre is mostly subjective and results, e.g., from the navigator's seagoing experience. A proper understanding...
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Distinct cellular uptake patterns of two anticancer unsymmetrical bisacridines and their metabolic transformation in tumor cells.
PublicationUnsymmetrical bisacridines (UAs) represent a novel class of anticancer agents. Their high cytotoxicity towards multiple human cancer cell lines and inhibition of human tumor xenograft growth in nude mice signal their potential for cancer treatment. Therefore, the mechanism of their strong biological activity is broadly investigated. Here, we explore the efflux and metabolism of UAs, as both strongly contribute to the development...
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Early-Age Hydration Reaction of Cement Mortars with the Participation of Aluminosilicate Microsphere Fractions
PublicationThe paper presents the influence of two fractions (M1 and M2) of aluminosilicate microspheres in the amount of 0.0%, 1.5%, 3.5%, and 5% as a cement substitute on the early heat of hydration of cement mortars assessed by isothermal calorimetry (IC). The study results showed a higher accumulated heat of hydration for cement mortars with 1.5% of the test material for both grain fractions. In turn, mortars with 3.5% and 5% of smaller...
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Effect of AlF3 and KF addition on the structure and luminescent properties of P2O5 – K2O – Nb2O5 – Bi2O3 glasses doped with Eu3+
PublicationBased on the developed phosphate glasses P2O5–K2O–Bi2O3–Nb2O5 doped with Eu3+, the influence of AlF3 and KF on the structural and luminescent properties was investigated. For this purpose, three series of glasses containing from 5 to 15 mol% fluorides were synthesized. Two of the series included the KF additive, which was introduced in two ways - proportionally and disproportionately at the expense of the K2O share. The structural characterization...
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Elucidating charge transfer process and enhancing electrochemical performance of laser-induced graphene via surface engineering with sustainable hydrogel membranes: An electrochemist's perspective
PublicationLaser-induced graphene (LIG) has emerged as a promising solvent-free strategy for producing highly porous, 3D graphene structures, particularly for electrochemical applications. However, the unique character of LIG and hydrogel membrane (HM) coated LIG requires accounting for the specific conditions of its charge transfer process. This study investigates electron transfer kinetics and the electroactive surface area of LIG electrodes,...
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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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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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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 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 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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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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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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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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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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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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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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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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Improving the Quality of Tyre Char as Part of a Closed-Loop Economy
PublicationThe escalating accumulation of waste tyres necessitates the formulation of robust and economically sustainable waste management strategies. In response to this pressing concern, pyrolysis has emerged as a pivotal technology for tyre recycling, affording valuable by-products including charcoal, pyrolysis oil, and pyrolysis gas, contingent upon specific process parameters. Of particular significance is the valorisation of the solid...
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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...
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Interpreting colour symbolism in finance- Insights of financial expert
PublicationThe main objective of this study is to identify the perception of colour meanings with 'finance' among a group of financial experts. As the research method a diagnostic survey conducted using the Computer-Assisted Web Interviewing (CAWI). The analysed colours included the 11 basic colour terms in English (black, white, red, green, yellow, blue, brown, orange, pink, purple, grey) plus two others (silver and golden). After cleaning...
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Investigation of bioprintable modified agar-based hydrogels with antimicrobial properties
PublicationDue to the numerous dangers arising from excessive use of antibiotics in treatments, researchers have been searching for natural alternatives to conventional antibiotics. Despite the popularity of plant extracts, essential oils, and their derivatives in herbal medicine, their applications in novel therapies are rather limited. This paper tries to open a new possibility for infection treatments by assessing the suitability of antimicrobial...
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Investigation on Swelling of Agar-Based Antibacterial Hydrogels for Hard-To-Heal Wound Dressings
PublicationDespite a wide range of available wound treatments, hard-to-heal wounds still pose a challenge. Hydrogels are often used as dressings for these wounds, because they sustain moisture in the wound environment, supporting the natural healing process. However, it is still not fully understood how physicochemical properties of hydrogel matrix affect the drug release process. Thus, detailed swelling kinetics examination coupled with...
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Laser melting synthesis of Mg and Si3N4-doped soda-lime glass: structure and thermal analysis
PublicationThree series of soda-lime glasses doped with varying contents of Mg, Si3N4, or a combination of both were synthesizedusing laser melting in less than 3 min. The addition of these dopants resulted in notable changes in the structural and ther-mal properties of the glass. Both IR and Raman spectra indicated that the silicate network primarily consisted of Q3 units,with significant amounts of Q2 and Q4 units present in most samples....
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Motivating academic library non-users to [re]discover the academic library’s usefulness for their studying practices - the Gdańsk University of Technology Library perspective.
PublicationThe main purpose of this article is to present academic library’s methods of motivating library non-users to rediscover the academic library’s values and usefulness for their studying practices from the Gdańsk University of Technology Library perspective. The author focused on discussing the issue of Polish full-time students as one of the groups of non-users of the academic library. -- Głównym celem artykułu jest...
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Net-zero policy and forward default risk in the energy sector:Evidence of corporate environmentalism using (a)symmetricmodels
PublicationThis study aims to examine the impact of the net-zero policy on forward default risk atthe firm level within the energy sector of the US, spanning over the period 2007–2021.The research employs Panel Vector Autoregression (PVAR) modeling, as well as linearand non-linear Autoregressive Distributed Lag (ARDL) models to investigate this rela-tionship. The findings suggest that the implementation of net-zero policy measures canhave...
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Novel nonsteroidal steroid sulfatase inhibitors containing glutamic acid unit
PublicationIn the present work, we designed and successfully synthesized novel steroid sulfatase (STS) inhibitors based on coumarin, tyramine, triazole, and flavone cores with an additional glutamic acid residue in the structure. The molecular modeling studies revealed that designed derivatives have potential to bind to the molecular target active site, at least theoretically. The biological activity of synthesized compounds was evaluated...
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Opposite effect of the Cu photodeposition on the ∙OH generation and diclofenac degradation depends on the exposed anatase facet
PublicationExposition of a specific crystal facets and modification with co-catalysts are often used in order to improve photocatalytic activity of a material. However, considering complexity of these interactions, it is still challenging to fully understand and predict activity of a specific system. Here, we report combination of the {0 0 1} and {1 0 1} crystal facets of anatase TiO2 with CuXO co-catalyst, applied for diclofenac degradation,...
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Optimizing conductivity in Na-V-Te-O glass through controlled heat treatment
PublicationSemiconducting Na2O-V2O5-TeO2 glasses with various Na2O contents were melted and subjected to controlled heating to improve conductivity. Topography analysis were performed using confocal microscopy and scanning electron microscopy on both as-quenched and heat-treated samples. X-ray diffraction confirmed the amorphous nature of the samples post-melting, with subsequent heating resulting in the formation of nanocrystallites primarily...
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Phages as potential life-saving therapeutic option in the treatment of multidrug-resistant urinary tract infections
PublicationUrinary tract infections (UTIs) are among the most common bacterial infections worldwide and increasing antimicrobial resistance (AMR) challenges conventional antibiotic treatments. Phage therapy (PT) has emerged as a promising alternative due to its specificity, safety and efficacy against multidrug-resistant (MDR) pathogens causing infectious diseases. PT demonstrates significant potential in treating chronic and recurrent UTIs,...
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Photocatalytic membranes based on Cu–NH2-MIL-125(Ti) protected by poly(vinylidene fluoride) for high and stable hydrogen production
PublicationA porous, photocatalytically active, and water-stable composite membrane has been developed based on Cu–NH2-MIL-125(Ti), a titanium-based metal–organic framework (MOF) and PVDF polymeric matrix. To tune the structural and functional properties of the PVDF/MOF composites, the loading degree of the MOF within the polymer was systematically varied. The most effective performance of the composite material was achieved with a 10% wt/wt...
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Physicochemical properties of La0.5Ba0.5Co1-xFexO3-δ (0≤x≤1) as positrode for proton ceramic electrochemical cells
PublicationWe report on essential properties of materials in the series La0.5Ba0.5Co1-xFexO3-δ as positrodes for proton ceramic electrochemical cells (PCECs). The unit cell and thermochemical expansion coefficient (TCEC) of these cubic perovskites decrease with iron content x, the TCEC of La0.5Ba0.5FeO3-δ going as low as 11·10-6 1/K. The materials behave as LaMO3 perovskites with small band gaps and Ba acting as acceptors compensated by electron...
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Polymer Materials for U-Shaped Optic Fiber Sensors: A Review
PublicationFiber optic sensors have gained popularity over the last few decades. This is due to their numerous advantages, such as good metrological parameters, biocompatibility and resistance to magnetic and electric fields and environmental pollution. However, those built from glass fiber have one main disadvantage—they are fragile, meaning they can be easily damaged, even by the presence of vibration. Due to the great progress made by...
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Praktyczna ocena wpływu położenia dybli w szczelinach dylatacyjnych na ryzyko powstania zniszczeń nawierzchni z betonu cementowego
PublicationCement concrete pavements are mainly implemented in Poland using unreinforced, dowelled and tieded pavement technology. The task of dowels in transverse expansion joints is to ensure proper transfer of loads between slabs and to allow free operation of slabs caused, among other things, by changes in thermal load. Recently, a significant problem has been observed in evaluating and resolving the issue of improperly placed dowels...
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Probiotic potential of Bacillus Isolates from Polish Bee Pollen and Bee Bread
PublicationThe main goal of this study was the evaluation of the probiotic potential of 10 Bacillus spp. strains isolated from 5 bee bread and 3 bee pollen samples. The antagonistic interaction with Staphylococcus aureus and Escherichia coli was a primary criterion for the preliminary selection of the isolates. Three out of ten strains—PY2.3 (isolated from pollen), BP20.15 and BB10.1 (both isolated from bee bread)—were found to be possible...