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Nitrogen transformations and mass balances in anaerobic/anoxic/aerobic batch experiments with full-scale biomasses from BNR activated sludge systems.
PublikacjaThe aim of this study was to investigate nitrogen mass balances occurring inside full-scale BNR activated sludge systems, with special attention to colloidal and dissolved organic nitrogen (CON and DON) transformations. For this purpose, laboratory experiments were carried out using process biomass from two large BNR plants in northern Poland. Two parallel batch reactors were operated in a 3-phase (anaerobic/anoxic/aerobic) cycle....
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Nitrogen transformations and mass balances in anaerobic/anoxic/aerobic batch experiments with full-scale biomasses from BNR activated sludge systems.
PublikacjaThe aim of this study was to investigate nitrogen mass balances occurring inside full-scale BNR activated sludge systems, with special attention to colloidal and dissolved organic nitrogen (CON and DON) transformations. For this purpose, laboratory experiments were carried out using process biomass from two large BNR plants in northern Poland. Two parallel batch reactors were operated in a 3-phase (anaerobic/anoxic/aerobic) cycle....
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The XRD diffraction patterns of reduced LSCNT prepared using two methods and two sintering temperatures
Dane BadawczeThe dataset includes XRD diffraction patterns of La0.27Sr0.54Ce0.09Ni0.1Ti0.9O3-s produced using two methods, namely organic (citrate assisted) and Pechini sintered at 1000 or 1200oC under air atmosphere and reduced at 900 for 12 h in wet H2.
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Determination of pesticide residues in fruits and vegetables using QuEChERS sample preparation method
PublikacjaThe intensive development of agriculture means that more and more toxic organic and inorganic compounds are entering the environment. Because of their widespread use, environmental stability, selective toxicity and bioaccumulative capability, pesticides belong to the most hazardous substances contaminating the environment. They are particularly dangerous in fruits and vegetables, because they are one of the reasons why people are...
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Manganese(III) Promoted Cyclization of N-alkenyl-N-(2-hydroxyethyl) amides to Iso-Oxacepham Potent β-Lactamase Inhibitors
PublikacjaBackground: β-Lactams are still a subject of interest of organic chemists. The main reason for this interest is due to their application as a chemotherapeutic. β-Lactam antibiotics are still the most commonly used drugs in bacterial infections. Method: Methods using 4-exo-trig radical cyclization leading to β-lactams are an alternative to classical Staudinger`s β-Lactams formation. We prepared N-alkenyl-N-(2-hydroxyethyl)amides...
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Analytical applications of smartphones for agricultural soil analysis
PublikacjaSoil is one of the most important farming resources. Appropriate managing of its quality promotes productive and sustainable agriculture. The valuable farm practice in soil quality managing is based on regular soil analysis with the aim to determine the exact amount of nutrients or other chemical, physical and biological soil properties. Soil analysis usually requires samples collection at desired sampling depth following by samples...
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Wastewater reuse in agriculture: Prospects and challenges
PublikacjaSustainable water recycling and wastewater reuse are urgent nowadays considering water scarcity and increased water consumption through human activities. In 2015, United Nations Sustainable Development Goal 6 (UN SDG6) highlighted the necessity of recycling wastewater to guarantee water availability for individuals. Currently, wastewater irrigation (WWI) of crops and agricultural land appears essential. The present work overviews...
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Usuwanie hydrofobowych zanieczyszczeń ropopochodnych z gleby metodą odmywania za pomocą roztworów związków powierzchniowo czynnych = Washing out of hydrophobic organic pollutants from soil using surfactants solutions
PublikacjaBadano efektywność oczyszczania gleby zanieczyszczonej substancjami ropopochodnymi. W badaniach wykorzystano surfaktanty niejonowe z grupy oksyetylenowanych alkoholi tłuszczowych i alkilopoliglukozydów oraz biosurfaktant z grupy ramnolipidów. Efektywność odmycia gleby w zależności od rodzaju surfaktantów wahała się od 67 do 78% przy stężeniu surfaktantu 3 g/L. Wraz ze wzrostem stężenia surfaktantu w roztworze obserwowano wzrost...
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Properties and determination of pesticides in fruits and vegetables
PublikacjaThe intensive development of agriculture means that more and more toxic organic and inorganic compounds are entering theenvironment. Because of their widespread use, stability, selective toxicity and bioaccumulation, pesticides are among the mosttoxic substances contaminating the environment. They are particularly dangerous in fruit and vegetables, by which people areexposed to them. It is therefore crucial to monitor pesticide...
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Comparative Evaluation of Selected Biological Methods for the Removal of Hydrophilic and Hydrophobic Odorous VOCs from Air
PublikacjaDue to increasingly stringent legal regulations as well as increasing social awareness, the removal of odorous volatile organic compounds (VOCs) from air is gaining importance. This paper presents the strategy to compare selected biological methods intended for the removal of different air pollutants, especially of odorous character. Biofiltration, biotrickling filtration and bioscrubbing technologies are evaluated in terms of...
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Żaneta Polkowska prof. dr hab. inż.
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Solventless and solvent-minimized sample preparation techniques for determining currently used pesticides in water samples: A review
PublikacjaThe intensification of agriculture means that increasing amounts of toxic organic and inorganic compounds are entering the environment. The pesticides generally applied nowadays are regarded as some of the most dangerous contaminants of the environment. Their presence in the environment, especially in water, is hazardous because they cause human beings to become more susceptible to disease. For these reasons, it is essential to...
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Boron doped Nanocrystalline Diamond-Carbon Nanospike Hybrid Electron Emission Source
PublikacjaElectron emission signifies an important mechanism facilitating the enlargement of devices that have modernized large parts of science and technology. Today, the search for innovative electron emission devices for imaging, sensing, electronics, and high-energy physics continues. Integrating two materials with dissimilar electronic properties into a hybrid material is an extremely sought-after synergistic approach envisioning a...
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Impact of a newly-formed periglacial environment and other factors on fresh water chemistry at the western shore of Admiralty Bay in the summer of 2016 (King George Island, Maritime Antarctica)
PublikacjaThis study provides a comprehensive analysis of the inorganic chemistry of flowing water at the western shore of Admiralty Bay. In the water samples, ions, and major and trace metals (and B)were detected and quantified. Additionally, the parameters of pH, specific electrolytic conductivity (SEC25) and total organic carbon (TOC) were determined. Moreover, multivariate data set was created and Principal Component Analysis (PCA) was...
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Reducing Monitoring Costs in Industrially Contaminated Rivers: Cluster and Regression Analysis Approach
PublikacjaMonitoring contamination in river water is an expensive procedure, particularly for developing countries where pollution is a significant problem. This study was conducted to provide a pollution monitoring strategy that reduces the cost of laboratory analysis. The new monitoring strategy was designed as a result of cluster and regression analysis on field data collected from an industrially influenced river. Pollution sources in...
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Mathematical modelling of gasification process of sewage sludge in reactor of negative CO2 emission power plant
PublikacjaSewage sludge is a residue of wastewater processing that is biologically active and consists of water,organic matter, including dead and alive pathogens, as well as organic and inorganic contaminants suchas polycyclic aromatic hydrocarbons (PAHs) and heavy metals. Due to the nature of sewage sludge and itspossible influence on human health and wellbeing, it is a subject of various regulations. Currently,sewage sludge is considered...
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Jerzy Kowalski dr hab. inż.
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The role and importance of total organic carbon (TOC) in production chain of KGHM Polska Miedż S.A. = Rola i znaczenie węgla organicznego w ciągu produkcyjnym realizowanym w KGHM Polska Miedź S.A.
PublikacjaWęgiel organiczny ma szczególne znaczenie w procesach realizowanych w ciągu technologicznym KGHM Polska Miedź S.A. Obecność węgla organicznego i złożoność problemów z nim związanych wynika głównie z jego występowania we wszystkich fazach tworzenia się złoża, a obecnie ma znaczący wpływ zarówno na przebieg procesu wzbogacania, jakość koncentratu, jak również na procesy ogniowe w technologii pieca zawiesinowego. Jednocześnie forma...
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Badania emisji lotnych związków organicznych podczas nalewu asfaltu do autocystern oraz budowy dróg asfaltowych = Emission of volatile organic compounds from road bitumen during tank filling and road paving
PublikacjaOstatnio ma miejsce dyskusja poświęcona emisji lotnych związków organicznych towarzyszącej "niehermetycznemu" nalewowi asfaltów oraz budowie dróg asfaltowych. Asfalt naftowy wytwarzany jest poprzezutlenianie pozostałości z destylacji próżniowej. Zarówno na etapie destylacji próżniowej ropy naftowej, jak również w reaktorach utleniania asfaltu może dochodzić do przegrzewania wsadu na elementach grzejnych instalacji, a w wyniku zachodzi...
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Analysis of volatile fraction selected hybrid fruits using chromatographic techniques
PublikacjaAt present, "healthy eating" is gaining in popularity. Many people associate this term with eating plenty of vegetables and fruits. The basic elements influencing the selection of fruit are their appearance and smell. Of course, their origin and impact on human health are also very important. In recent years, exotic fruits have become increasingly accessible, making them gaining popularity, even among Poles. You can also meet plants...
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Daria Kowalkowska-Zedler dr inż.
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Nowoczesne techniki przygotowania próbki do oznaczania analitów organicznych z zastosowaniem chromatografii gazowej. Część II. Aparatura. Modern techniques of preparation of samples for determining organic analytes by gas chromatography. Part II. Instrumentation.
PublikacjaW pracy dokonano przeglądu szerokiego spektrum technik przygotowania próbki ze szczególnym uwzględnieniem technik o charakterze prośrodowiskowym. Opisu technik dokonano pod kątem wykorzystywanych mechanizmów izolacji analitów oraz stosowanych rozwiązań aparaturowych.
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Karol Biernacki dr inż.
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MXenes Antibacterial Properties and Applications: A Review and Perspective
PublikacjaThe mutations of bacteria due to the excessive use of antibiotics, and generation of antibiotic-resistant bacteria have made the development of new antibacterial compounds a necessity. MXenes have emerged as biocompatible transition metal carbide structures with extensive biomedical applications. This is related to the MXenes’ unique combination of properties, including multifarious elemental compositions, 2D-layered structure,...
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Ongoing Progress on Pervaporation Membranes for Ethanol Separation
PublikacjaEthanol, a versatile chemical extensively employed in several fields, including fuel production, food and beverage, pharmaceutical and healthcare industries, and chemical manufacturing, continues to witness expanding applications. Consequently, there is an ongoing need for cost-effective and environmentally friendly purification technologies for this organic compound in both diluted (ethanol-water–) and concentrated solutions (water-ethanol–)....
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Chitosan-protein scaffolds loaded with lysostaphin as potential antistaphylococcal wound dressing materials.
PublikacjaAIMS: The development of technology for preparing chitosan-protein scaffolds loaded with lysostaphin, which potentially could be used as dressing for wound treatment and soft tissue infections caused by Staphylococcus aureus. METHODS AND RESULTS: The unique technology of chitosan solubilization using gaseous CO(2) instead of organic or inorganic acids was used for the incorporation of lysostaphin, the enzyme that exhibits bactericidal...
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Anna Ciborska dr inż.
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Aleksandra Ziółkowska dr inż.
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The XRD diffraction patterns of Ce0.9M0.1O2 prepared using the reverse microemulsion method
Dane BadawczeThe dataset includes XRD patterns of Ce0.9M0.1O2 (where M=Mn, Fe, Co, Ni, Cu) nanopowders prepared using the reverse microemulsion method. The powders were precipitated from organic-based solution using tetramethylammonium hydroxide (TMAOH). After the precipitation, the sediment was centrifuged and rinsed with alcohol several times. Precursors powder...
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Anna Ordyszewska dr inż.
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Therapeutic Potential of Multifunctional Tacrine Analogues
PublikacjaTacrine is a potent inhibitor of cholinesterases (acetylcholinesterase and butyrylcholinesterase) that shows limiting clinical application by liver toxicity. In spite of this, analogues of tacrine are considered as a model inhibitor of cholinesterases in the therapy of Alzheimer’s disease. The interest in these compounds is mainly related to a high variety of their structure and biological properties. In the present review, we...
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Damian Rosiak dr inż.
OsobyWykształcenie Studia I stopnia - inżynierskie, kierunek BIOTECHNOLOGIATytuł pracy inżynierskiej: "Reakcja halogenków rtęci(II) z wybranymi N-benzoilotiomocznikami i charakterystyka strukturalna jej produktów"Promotor: prof. dr hab. inż. Barbara Becker, prof. zw. PG Studia II stopnia - magisterskie, kierunek BIOTECHNOLOGIATytuł pracy magisterskiej: "Reakcje halogenków rtęci(II) z wybranymi tiomocznikami i charakterystyka produktów"Praca...
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Succinite, Baltic Amber: A Chemical Masterpiece of Nature
PublikacjaSuccinite, Baltic amber, is one of the most appreciated fossil resins. Its beauty has fascinated people since prehistoric times. It is a substance, and also gemstone, whose uniqueness is due to its compelling, though still not fully understood, physicochemical nature. In this article, some facts about the physical and chemical properties of succinite in order to find an answer for questions about the unique properties of this resin,...
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New light on the photocatalytic performance of NH4V4O10 and its composite with rGO
PublikacjaSolar-driven photocatalysis has shown great potential as a sustainable wastewater treatment technology that utilizes clean solar energy for pollutant degradation. Consequently, much attention is being paid to the development of new, efficient and low-cost photocatalyst materials. In this study, we report the photocatalytic activity of NH4V4O10 (NVO) and its composite with rGO (NVO/rGO). Samples were synthesized via a facile one-pot...
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The effect of PEDOT morphology on hexavalent chromium reduction over 2D TiO2/PEDOT photocatalyst under UV–vis light
PublikacjaThe present study represents an approach to apply organic-inorganic hybrid materials for photocatalytic removal of heavy metals from the aqueous environment. The photocatalytic activity of the semiconductor modified with the conjugated polymer may depends on the conjugated polymer type, its amount and morphology. Therefore, in the present study the effect of poly (3, 4-ethylenedioxythiophene) (PEDOT) morphology on adsorption and photoreduction...
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Influence of pH and low-molecular weight organic compounds in solution on selected spectroscopic and analytical parameters of flowing liquid anode atmospheric pressure glow discharge (FLA-APGD) for the optical emission spectrometric (OES) determination of Ag, Cd, and Pb
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Nuclear Magnetic Resonance data for the synthesis of esterase cleavable antifungal conjugates containing fatty acids as molecular carriers
Dane BadawczeNMR data for novel organic compounds - conjugates composed of C2-18 fatty acid (FA) residues as a molecular carrier and 5-fluorocytosine (5-FC) as an active agent, released upon the action of intracellular esterases on the ester bond between FA and “trimethyl lock” intramolecular linker.
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New insights of nanomaterials usage toward superhydrophobic membranes for water desalination via membrane distillation: A review
PublikacjaMembrane distillation (MD) is a promising technology for seawater desalination due to the ability to process high-salinity waters and the ability to be driven by low-grade or waste heat. However, practical applications of MD membranes are limited by the low vapor flux and fouling problem. Recently, there is a growing interest in developing novel MD membrane materials with enhanced hydrophobicity to improve the efficiency of desalination...
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A novel concept of negative CO2 emission power plant for utilization of sewage sludge
PublikacjaCarbon Capture and Storage (CSS) technology is considered an important “bridge technology”, allowing effective abatement of CO2 emissions for power units using fossil fuels. However, if biomass is used in a power plant, equipped with CCS system, negative CO2 emissions can be achieved. In practice, wide development of such technologies would enable not only reduction of CO2 emissions, but also reversal of the harm done so far. In...
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The XRD diffraction patterns of annealed Ce0.9M0.1O2 powders prepared using the reverse microemulsion method
Dane BadawczeThe dataset includes XRD patterns of Ce0.9M0.1O2 (where M=Mn, Fe, Co, Ni, Cu) nanopowders prepared using the reverse microemulsion method. The powders were precipitated from organic-based solution of nitrates using TMAOH. The sediment was cetrifuged and rinsed with alcohol several times. Powders were dried and calcinated at 500 degrees for 2 h, followed...
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Chemistry and Nanochemistry 2023
Kursy OnlineWe start from General Chemistry, including: calculus in chemistry, bonds, balancing the chemical reactions, redox reactions, electrochemistry, pH, acids, bases, salts, oxides, organic molecules, and many informations about synthesis, analysis and applications in nanochemistry.
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Marek Tobiszewski dr hab. inż.
OsobyUrodzony 07.04.1984 roku w Gdańsku. W 2012 roku obronił z wyróżnieniem doktorat, w 2017 roku uzyskał habilitację na podstawie osiągnięcia naukowego „Opracowanie służących do oceny uciążliwości środowiskowej procedur analitycznych i rozpuszczalników”. Pracuje w Katedrze Chemii Analitycznej od 2012 roku. Jego zainteresowania naukowe łączą analitykę chemiczną, zwłaszcza analityka związków organicznych w próbkach środowiskowych, z...
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CaZnO-based nanoghosts for the detection of ssDNA, pCRISPR and recombinant SARS-CoV-2 spike antigen and targeted delivery of doxorubicin
PublikacjaOverexpression of proteins/antigens and other gene-related sequences in the bodies could lead to significant mutations and refractory diseases. Detection and identification of assorted trace concentrations of such proteins/antigens and/or gene-related sequences remain challenging, affecting different pathogens and making viruses stronger. Correspondingly, coronavirus (SARS-CoV-2) mutations/alterations and spread could lead to overexpression...
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Advanced oxidation treatment of Pentoxifylline in aqueous solution
PublikacjaThe degradation of pentoxifylline (PTX) using H2O2, UV, H2O2/UV, Fenton and photo- Fenton processes has been examined in aqueous solution. The influence of various amount of oxidation agent on H2O2, H2O2/UV, Fenton and photo-Fenton reactions were investigated. Initial PTX concentration in Fenton and photo-Fenton was considerated. The addition of inorganic ions (Cl-, NO3-, SO42- and CO32-) on the degradation efficiency of PTX were...
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Nowoczesne techniki przygotowania próbki do oznaczania analitów organicznych z zastosowaniem chromatografii gazowej. Część I. Podstawy teoretyczne ekstrakcji. Modern techniques of preparation of samples for determining organic analytes by gas chromatography. Part I. Theoretical principles of extraction.
PublikacjaPrzedstawiono podstawy teoretyczne technik izolacji i wzbogacania analitów organicznych z próbek gazowych oraz ciekłych. Już pobieżna analiza literatury dotyczącej omawianych zagadnień, pokazuje jak różnorodne i bogate spektrum technik jest stosowane na etapie przygotowania próbki. Z drugiej strony, z punktu widzenia podstaw fizykochemicznych, większość technik opiera się na dwóch zjawiskach: adsorpcji analitów na medium zatrzymującym...
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Simulation of perovskite-based CuI/CH3NH3PbI3/TiO2 solar cell performance
Dane BadawczeThe presented data set is part of the theoretical research on novel thin-layer lead-halide perovskite solar cells with different inorganic transparent conductive oxides used as charge transport layers. In this study CuI/CH3NH3PbI3/TiO2 model structure (Model 1) was investigated by the use of the SCAPS-1D simulation method (https://scaps.elis.ugent.be/).
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Simulation of perovskite-based CuI/CH3NH3PbI3/SnO2 solar cell performance
Dane BadawczeThe presented data set is part of the theoretical research on novel thin-layer lead-halide perovskite solar cells with different inorganic transparent conductive oxides used as charge transport layers. In this study CuI/CH3NH3PbI3/SnO2 model structure (Model 2) was investigated by the use of the SCAPS-1D simulation method (https://scaps.elis.ugent.be/).
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Simulation of perovskite-based CuI/CH3NH3PbI3/ZnO solar cell performance
Dane BadawczeThe presented data set is part of the theoretical research on novel thin-layer lead-halide perovskite solar cells with different inorganic transparent conductive oxides used as charge transport layers. In this study CuI/CH3NH3PbI3/ZnO model structure (Model 3) was investigated by the use of the SCAPS-1D simulation method (https://scaps.elis.ugent.be/).
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Justyna Szostak dr inż.
OsobyI Gdańsk University of Technology: Chair of the Rector’s Internationalization Committee (October 2020 - Present) Erasmus + Coordinator for students and staff members, Faculty of Applied Physics and Mathematics (Mar 2017 - Present) Dean's Proxy for Internationalization, Faculty of Applied Physics and Mathematics (October 2020 - Present) Coordinator of the International Relations Office of the Faculty of Applied Physics and...
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MINERAL MATTER IN MUNICIPAL SOLID WASTE
PublikacjaMunicipal solid waste (MSW) contains mineral materials which are seldom considered as a potential resource. Currently, the waste management sector pays attention to recyclable parts, biodegradable material, waste-to-energy fraction, and residues after waste reuse and recycle. In contrast, this study focus as on the mineral matter in MSW. The aim was to analyze and discuss the sources of mineral matter in MSW, the impact which the...