Wyniki wyszukiwania dla: CYLINDRICAL FCL

• NUTRITIONAL AND PHARMACEUTICAL APPLICATIONS OF BIOACTIVE COMPOUNDS IN TROPICAL FRUITS

  Publikacja

  • S. Poovarodom
  • R. Haruenkit
  • S. Vearasilp
  • P. Ruamsuke
  • S. Gorinstein
  • H. Leontowicz
  • M. Leontowicz
  • J. Namieśnik
  • S. Trakhtenberg

  - ACTA INFORMATICA - Rok 2013

  During the past two decades our international scientific group investigated in vitro the physicochemical and nutritional characteristics of some cultivars of durian at various stages of ripening, mangosteen and new cultivars of snake fruit in comparison with widely used avocado, kiwifruit and mango, and in vivo their influence on laboratory animals. The main objective of the present study was to screen and compare the properties...

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• Relationship between electronic structure and geometry of silanethiols and their derivatives. Elucidation of copper group silanethiolates

  Publikacja

  • J. Chojnacki

  - JOURNAL OF MOLECULAR STRUCTURE-THEOCHEM - Rok 2008

  Wyznaczono strukturę elektronową wybranych silanotioli X3SiSH (dla X=H, C2H5, OCH3, F, Cl i Br) oraz powstalych z nich anionów. Geometrię i funkcje falowe wyznaczono przy użyciu teorii funcjonałów gęstości elektronowej DFT. Przeanalizowano wpływ efektów anomerycznych oraz wielkości calki nakładania sigma(Si-S) na obserwowane skrócenie wiązania Si-S przy deprotonowaniu silanotioli. Podano nowe wyjaśnienie wyjątkowo niskiej kwasowości...

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• COMPOSITION OF BIOACTIVE SECONDARY METABOLITES AND MUTAGENICITY OF SAMBUCUS NIGRA L. FRUIT AT DIFFERENT STAGES OF RIPENESS

  Publikacja

  • I. Koss-Mikołajczyk
  • A. Lewandowska
  • T. Pilipczuk
  • B. Kusznierewicz
  • A. Bartoszek-Pączkowska

  - Acta Alimentaria - Rok 2016

  The relationship between the content of bioactive compounds and mutagenic activity of elderberry fruit at different stages of ripeness was investigated. Signifi cant differences in the antioxidant profi les (TLC, HPLC with post-column derivatization) and antioxidant activity (ABTS, DPPH, and FC tests) were observed for studied elderberry extracts. The more ripen the fruit at the time of harvest were, the higher the content of...

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• Quality of roof runoff waters from an urban region (Gdańsk, Poland)

  Publikacja

  • Ż. Polkowska
  • T. Gorecki
  • J. Namieśnik

  - CHEMOSPHERE - Rok 2002

  W pracy przedstawiono wyniki badań analitycznych próbek wód spływnych z powierzchni dachów budynków z terenu miasta Gdańska. W próbkach oznaczano stężenia jonów (Na+, K+, NH4+, Mg2+, Ca2+, F-, Cl-, NO2-, PO4-, SO4-) oraz związków organicznych (pestycydy, węglowodory ropopochodne i lotne związki chlorowcoorganiczne). Dodatkowo mierzono pH oraz toksyczność próbek. Próbki zbierano przez okres 6 miesięcy w okresach po zakończeniu opadów....

• The possibility of the application of a potentiometric sensor with all-solid-state electrodes for the quality control of different natural waters

  Publikacja

  • W. Szpakowski
  • E. Brodnicka
  • M. Szpakowska

  - Desalination and Water Treatment - Rok 2018

  The quality of various natural waters was examined by a new potentiometric sensor with six all solid state electrodes containing an appropriate lipophilic compound in a polymer membrane. Physicochemical parameters such as conductivity and acidity of tested waters were also tested. All waters were neutral or slightly alkaline and contained different ions (e.g., Cl–) due to the place of their sampling (a coastal zone and a moraine...

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• Integrated Experimental and Theoretical Approach for Efficient Design and Synthesis of Gold-Based Double Halide Perovskites

  Publikacja

  • B. Bajorowicz
  • A. Mikolajczyk
  • H. P. Pinto
  • M. Miodyńska
  • W. Lisowski
  • T. Klimczuk
  • I. Kaplan-Ashiri
  • M. Kazes
  • D. Oron
  • A. Zaleska-Medynska

  - Journal of Physical Chemistry C - Rok 2020

  Applied cutting-edge electronic structure and phonon simulations provide a reliable knowledge about the stability of perovskite structures and their electronic properties, which are crucial for design of effective nanomaterials. Gold is one of the exceptional elements, which can exist both as a monovalent and a trivalent ion in the B site of a double perovskite such as A2BI BIIIX6. However, until now, electronic properties of Cs2AuI AuIIIX6...

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• Mechanical response of human thoracic spine ligaments under quasi-static loading: An experimental study

  Publikacja

  • R. Wolny
  • T. Wiczenbach
  • A. J. Andrzejewska-Sroka
  • J. H. Spodnik

  - Journal of the Mechanical Behavior of Biomedical Materials - Rok 2024

  Purpose This study aimed to investigate the geometrical and mechanical properties of human thoracic spine ligaments subjected to uniaxial quasi-static tensile test. Methods Four human thoracic spines, obtained through a body donation program, were utilized for the study. The anterior longitudinal ligament (ALL), posterior longitudinal ligament (PLL), capsular ligament (CL), ligamenta flava (LF), and the interspinous ligament and...

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• Investigating Layered Topological Magnetic Materials as Efficient Electrocatalysts for the Hydrogen Evolution Reaction under High Current Densities

  Publikacja

  • S. Gupta
  • H. Świątek
  • M. Sawczak
  • T. Klimczuk
  • R. Bogdanowicz

  - Catalysts - Rok 2024

  Despite considerable progress, high-performing durable catalysts operating under large current densities (i.e., >1000 mA/cm2) are still lacking. To discover platinum group metal-free (PGMfree) electrocatalysts for sustainable energy, our research involves investigating layered topological magnetic materials (semiconducting ferromagnets) as highly efficient electrocatalysts for the hydrogen evolution reaction under high current...

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• Development of fragility curves in adjacent steel moment-resisting frames considering pounding effects through improved wavelet-based refined damage-sensitive feature

  Publikacja

  • O. Yazdanpanah
  • B. Mohebi
  • F. Kazemi
  • I. Mansouri
  • R. Jankowski

  - MECHANICAL SYSTEMS AND SIGNAL PROCESSING - Rok 2022

  Fragility curves present useful information related to earthquake-induced probability assessment ‎of steel moment-resisting frames (MRFs) and determine the probability of the damage ‎exceedance at different floor levels of MRFs. The review of the literature shows that most of the ‎previous studies dealing with the fragility curves were based on conventional measures, such as ‎spectral acceleration at the first mode period, peak...

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• ATR FT-IR H2O spectra of acidic aqueous solutions. Insights about proton hydration

  Publikacja

  • M. Śmiechowski
  • J. Stangret

  - JOURNAL OF MOLECULAR STRUCTURE - Rok 2008

  W artykule podjęto próbę ilościowej analizy widm oscylacyjnych H2O w wodnych roztworach kwasów. Widma H2O dostarczają głównie informacji o stanie strukturalnym cząsteczek wody, wynikającym ze sprzężeń oscylatorów w układzie. Są jednak znacznie trudniejsze w interpretacji niż widma HDO. Widma wodnych roztworów kwasów jednoprotonowych (HCl, HClO4, HPF6) zmierzono posługując się spektroskopią FT-IR w technice osłabionego wewnętrznego...

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• Metoda SPH+MES na przykładzie symulacji wzmocnienia podłoża gruntowego metodą wymiany dynamicznej

  Publikacja

  • A. Danilewicz

  - Rok 2016

  Praca zawiera opis hybrydowej metody połączenia metody bezsiatkowej Smooth Particle Hydrodynamics (SPH) z Metodą Elementów. Metoda SPH ma zastosowania w zagadnieniach w których występują skomplikowane i zmienne w czasie algorytmy kontaktowe co pozwoliło na jej wykorzystanie w symulacji formowania kolumny przez wbijanie i rozpychanie materiału zasypowego. Przedstawiono wskazówki do przygotowania symulacji numerycznej z wykorzystaniem...

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• Analytical ‘Steady-State’-Based Derivation and Clarification of the Courant-Friedrichs-Lewy Condition for Pipe Flow

  Publikacja

  • Z. Kowalczuk
  • M. S. Tatara

  - Journal of Natural Gas Science and Engineering - Rok 2021

  This article addresses the problem of choosing the optimal discretization grid for emulating fluid flow through a pipeline. The aggregated basic flow model is linearized near the operating point obtained from the steady state analytic solution of the differential equations under consideration. Based on this model, the relationship between the Courant number (μ) and the stability margin is examined. The numerically set coefficient...

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• Determination of high-intensity sweeteners in beverages by high-performance liquid chromatography with mass spectrometry detection.

  Publikacja

  • A. Zygler
  • M. Janicka
  • A. Wasik
  • A. Kot-Wasik
  • J. Namieśnik

  - Rok 2011

  The objective of the present study was to measure the concentration of nine high intensity sweeteners (acesulfame-K, aspartame, alitame, cyclamate, dulcin, neohesperidin dihydrochalcon, neotame, saccharin and sucralose) in different types of beverages available on the polish market. The proposed methodology reported here consists of a extraction with buffer composed of formic acid and N,N-diisopropylethylamine (pH 4.5) followed...

• Numerical modeling of wave-seabed-structure interaction.

  Publikacja

  • L. Bierawski

  - Rok 2004

  Praca doktorska przedstawia propozycję nowoczesnego rozwiązania obciążeń hydraulicznych przy uwzględnieniu nieliniowych oddziaływań pomiędzy falą wodną, przepuszczalnym dnem i porowatą konstrukcją morską. Nabrzeże pionowe, falochron podwodny i falochron kompozytowy były obiektem eksperymentów numerycznych, których wyniki były weryfikowane przy użyciu wyników laboratoryjnych (niszczących i nieniszczących). Krótki przegląd bieżącej...

• Dual-band Millimetre Wave MIMO Antenna with Reduced Mutual Coupling Based on Optimized Parasitic Structure and Ground Modification

  Publikacja

  • B. Esmail
  • D. Isleifson
  • S. Kozieł

  - Scientific Reports - Rok 2024

  In this study, a high-isolation dual-band (28/38 GHz) multiple-input–multiple-output (MIMO) antenna for 5G millimeter-wave applications is presented. The antenna consists of two interconnected patches. The primary patch is connected to the inset feed, while the secondary patch is arc-shaped and positioned over the main patch, opposite to the feed. Both patches function in the lower 28 GHz band, while the primary patch is accountable...

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• Enhancing seismic performance of rigid and semi-rigid connections equipped with SMA bolts incorporating nonlinear soil-structure interaction

  Publikacja

  • F. Kazemi
  • R. Jankowski

  - ENGINEERING STRUCTURES - Rok 2023

  Nowadays, using smart connections can improve the performance of buildings with some recentering features that are from the superelastic behavior of Shape Memory Alloys (SMAs). It seems that there is different rigidity between the designed connection and the real one in Steel Moment-Resisting Frames (SMRFs), which can be considered as a problematic issue due to the importance of connections in seismic performance assessment. This...

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• The effect of high pressure and subzero temperature on gelation of washed cod and salmon meat

  Publikacja

  • E. Malinowska-Pańczyk
  • I. Kołodziejska

  - FOOD TECHNOLOGY AND BIOTECHNOLOGY - Rok 2017

  The objective of the present work is to examine the infl uence of pressure up to 193 MPa at subzero temperature (without freezing of water) on myofi brillar proteins of salmon and cod meat and on the properties of gels obtained from washed mince of these fi sh. The solubility of proteins from myofi brils of cod and salmon meat suspended in 100 mM KCl solution increased aft er treating the samples with pressure above 60 MPa. The...

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• Badanie i analiza efektywności radiolokalizowania obiektów w środowisku wewnątrzbudynkowym

  Publikacja

  • A. Czapiewska

  - Rok 2017

  W ramach rozprawy doktorskiej przeprowadzono badania i analizę efektywności radiolokalizowania obiektów w środowisku wewnątrzbudynkowym, które cechują szczególne warunki propagacyjne fali elektromagnetycznej. Konsekwencją tych warunków jest częste zawyżanie radiowych pomiarów odległości, służących do wyznaczania położenia obiektów. W rezultacie wartość średnia błędów tych pomiarów jest większa od zera, a ich rozkład jest różny...

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• Contaminants in airport runoff water in the Vicinities of Two International Airports in Poland

  Publikacja

  • A. Sulej-Suchomska
  • Ż. Polkowska
  • J. Namieśnik

  - POLISH JOURNAL OF ENVIRONMENTAL STUDIES - Rok 2012

  The general aim of the study was to evaluate environmental quality associated with the operations (combustion of fuels, cleaning of aircraft and airport aprons, aircraft, ground vehicle maintenance and repairs, fuelling operations, de/anti-icing operations) of international airports located in central and northern of Poland. These two monitoring areas were set up to monitor PAHs, PCBs, formaldehydes, phenols, detergents (cationic,...

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• Effect of convection and microwave heating on the retention of bioactive components in human milk

  Publikacja

  • D. Martysiak-Żurowska
  • E. Malinowska-Pańczyk
  • M. Orzołek
  • B. Kiełbratowska
  • E. Sinkiewicz-Darol

  - FOOD CHEMISTRY - Rok 2022

  Bioactive substances are very important components of human milk (HM), especially for premature newborns. The effects of convection (CH) and microwave heating (MWH) at 62.5 and 66 °C, on the level of selected bioactive components of HM: lysozyme (LZ), lactoferrin (LF), secretory immunoglobulin A (sIgA), basal lipase (BL), cytokine TGF-2, vitamin C and total antioxidant capacity (TAC) was compared. Regardless of the used heating methods...

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• Electron interactions with Bis(pentamethylcyclopentadienyl) titanium(IV) dichloride and difluoride

  Publikacja

  • J. Langer
  • M. Zawadzki
  • M. Fárník
  • J. Pinkas
  • J. Fedor
  • K. Jaroslav

  - EUROPEAN PHYSICAL JOURNAL D - Rok 2018

  We present a combined experimental and theoretical study of the interaction of electrons with Bis(pentamethylcyclopentadienyl)titanium(IV) dichloride (Cp∗2TiCl2) and difluoride (Cp∗2TiF2). We report the experimental measurements of partial cross sections for the dissociative electron attachment (DEA) and the electron ionization (EI) mass spectra of isolated molecules. Estimates of the absolute cross sections are done on the basis...

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• Selective detection of F- by chromogenic tetrazole receptor

  Publikacja

  • A. Pazik
  • A. Skwierawska

  - SUPRAMOLECULAR CHEMISTRY - Rok 2013

  A chromogenic anion host 4, containing two amide functionalities linked to azo dye and tetrazole rings was synthesized and its complexes with various anions were investigated. The results show that receptor 4 can recognize selectively biologically important F- ion. The binding affinity for F- was investigated by naked-eye colour change, UV-Vis and 1H NMR spectroscopy. Addition F- ion in CH3CN and DMSO to receptor 4 cause a colour...

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• Copper-based 2D-coordination polymer as catalyst for allylation of aldehydes

  Publikacja

  • G. Da_silva
  • P. Menezes
  • I. Malvestiti
  • E. H. L. Falcão
  • S. A. Junior
  • J. Chojnacki
  • F. F. da Silva

  - JOURNAL OF MOLECULAR STRUCTURE - Rok 2018

  A copper-tartrate, [Cu2(Tart)2(H2O)2]·4H2O, was synthesized at room temperature in aqueous media using copper chloride and D-tartaric acid. The compound crystallizes in the monoclinic system P21 space group and was characterized by infrared spectroscopy, thermogravimetry, X-ray powder diffraction and the results are in good agreement with the single crystal...

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• Analiza temperatury ekwiwalentnej do projektowania nawierzchni asfaltowych w Polsce z wykorzystaniem metody AASHTO 2004

  Publikacja

  • W. Leszczyńska
  • M. Pszczoła

  - Przegląd Komunikacyjny - Rok 2021

  W artykule przedstawiono analizę temperatury ekwiwalentnej obliczanej w oparciu o kryterium spękań zmęczeniowych warstw asfaltowych z metody AASHTO 2004 oraz kryterium deformacji strukturalnych Instytutu Asfaltowego. Do obliczeń przyjęto konstrukcję nawierzchni KR5 oraz wykorzystano dane temperaturowe z 50 stacji meteorologicznych z okresu 30 lat od roku 1989 do roku 2019 włącznie udostępnione przez Instytut Meteorologii i Gospodarki...

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• Electron impact iozization of CCl4 and SF6 embedded in superfluid helium droplets

  Publikacja

  • H. Schobel
  • M. Dampc
  • D. S. F. Ferreira
  • A. Mauracher
  • F. Zappa
  • S. Denifl
  • M. D. Tilmann
  • P. Scheier

  - INTERNATIONAL JOURNAL OF MASS SPECTROMETRY - Rok 2009

  Electron impact ionization of helium nano-droplets containing several 104 He atoms and doped with CCl4 or SF6 molecules is studied with high-mass resolution. The mass spectra show significant clustering of CCl4 molecules, less so for SF6 under our experimental conditions. Positive ion efficiency curves as a function of electron energy indicate complete immersion of the molecules inside the helium droplets in both cases. For CCl4...

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• Ultrafast Intramolecular Relaxation and Wave-Packet Motion in a Ruthenium-Based Supramolecular Photocatalyst

  Publikacja

  • M. WäCHTLER
  • J. Guthmuller
  • S. Kupfer
  • M. Maiuri
  • D. Brida
  • J. Popp
  • S. Rau
  • G. Cerullo
  • B. Dietzek

  - CHEMISTRY-A EUROPEAN JOURNAL - Rok 2015

  The hydrogen-evolving photocatalyst [(tbbpy)2 Ru(tpphz)Pd(Cl)2 ](2+) (tbbpy=4,4'-di-tert-butyl-2,2'-bipyridine, tpphz=tetrapyrido[3,2-a:2',3'-c:3'',2''-h:2''',3'''-j]phenazine) shows excitation-wavelength-dependent catalytic activity, which has been correlated to the localization of the initial excitation within the coordination sphere. In this contribution the excitation-wavelength dependence of the early excited-state relaxation...

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• Validation of atmospheric aerosols parallel sampling in a multifold device

  Publikacja

  • C. M. Oliveira
  • M. Camoes
  • P. Bigus
  • A. Fachado
  • R. Silva

  - ENVIRONMENTAL MONITORING AND ASSESSMENT - Rok 2015

  In this work, particulate matter was collected using an active sampling system consisting of a PM10 (<10 μm) inlet coupled to a multifold device containing six channels, connected to a vacuum pump. Each channel was equipped with a filter holder fitted with adequately chosen filters. The system was fixed on a metallic structure, which was placed on the roof of the laboratory building, at the Faculty of Sciences, in Lisbon. Sampling...

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• Modeling Object Oriented Systems via Controlled English Verbalization of Description Logic

  Publikacja

  • P. Kapłański

  - Rok 2010

  The need for formal methods for Object Oriented (OO) systems resulted in methods like UML and Lepus3 that are de-facto graphical languages equipped with formal tools that are able to handle the design of OO systems. However, they lack precise semantics which might lead to problems, such as inconsistencies or redundancies. On the other hand, to our knowledge, there is no approach that allows one to understand and follow the requirements...

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• Adapt Your Teacher: Improving Knowledge Distillation for Exemplar-free Continual Learning

  Publikacja

  • F. Szatkowski
  • M. Pyła
  • M. Przewięźlikowski
  • S. Cygert
  • B. Twardowski
  • T. Trzciński

  - Rok 2024

  In this work, we investigate exemplar-free class incremental learning (CIL) with knowledge distillation (KD) as a regularization strategy, aiming to prevent forgetting. KDbased methods are successfully used in CIL, but they often struggle to regularize the model without access to exemplars of the training data from previous tasks. Our analysis reveals that this issue originates from substantial representation shifts in the teacher...

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• Antioxidant properties and bioactive constituents of some rare exotic thai fruits and comparison with conventional fruits. in vitro and in vivo studies

  Publikacja

  • S. Gorinstein
  • S. Poovarodom
  • H. Leontowicz
  • M. Leontowicz
  • J. Namieśnik
  • S. Vearasilp
  • R. Haruenkit
  • P. Ruamsuke
  • E. Katrich
  • Z. Tashma

  - FOOD RESEARCH INTERNATIONAL - Rok 2011

  Przedmiotem badań były ekstrakty uzyskane zarówno z egzotycznych owoców z terenu Tajlandii (durian, snake fruit, mangosteen) jak i owoców ''konwencjonalnych'' (mango, kiwi, awokado) w celu porównania zawartości związków bioaktywnych i aktywności przeciwutleniającej.Wyniki badań prowadzonych zarówno in vitro jak i in vivo mogą być wykorzystane przy opracowywaniu diety. W trakcie badań in vitro wykorzystano testy do określania potencjału...

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• Advanced oxidation treatment of Pentoxifylline in aqueous solution

  Publikacja

  • B. Kamińska
  • A. Skwierawska
  • K. Kozłowska-Tylingo
  • R. Tomczak-Wandzel
  • A. Pazik
  • K. Hemine

  - Environment Protection Engineering - Rok 2017

  The 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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• Additive Effect of Bromides and Chlorides on the Performance of Perovskite Solar Cells Fabricated via Sequential Deposition

  Publikacja

  • J. Szmytkowski
  • D. Głowienka
  • M. Verger
  • H. Gorter
  • I. Dogan
  • W. Verhees
  • M. Najafi
  • S. Veenstra
  • Y. Galagan

  - JOURNAL OF POWER SOURCES - Rok 2021

  A two-step sequential deposition method has been applied to prepare the solar cells with two types of perovskites Cs0.15FA0.85Pb(I0.95Cl0.05)3 and Cs0.15FA0.85Pb(I0.95Br0.05)3. In order to obtain the perovskite layers, the different sources of bromine and chlorine atoms were used for synthesis. The performance and time stability of chloride-based photocells are worse in comparison to the bromide-based devices. It can be explained...

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• Kompleksy fosfanylofosfidowe z grupami indenylowymi

  Publikacja

  • A. Łapczuk-Krygier
  • K. Kazimierczuk
  • J. Pikies
  • Ł. Ponikiewski

  - CHEMIK nauka-technika-rynek - Rok 2010

  Pochodne litowe difosfanów są z powodzeniem stosowane jako prekursory ligandów fosfanylofosfinidenowego R2PP oraz fosfanylofosfidowego R2PP(SiMe3) w reakcjach z dichlorometalocenami. Rodzaj powstałych produktów w tego typu reakcjach, w dużej mierze zależy od podstawników w pierścieniu cyklopentadienylowym w cząsteczce metalocenu oraz od właściwości atomu metalu. Zastosowanie dichlorocyrkonocenów z grupami indenylowymi (Ind=C9H7)...

• Transcriptomic landscape of blood platelets in healthy donors

  Publikacja

  • A. Supernat
  • M. Popęda
  • K. Pastuszak
  • M. G. Best
  • P. Grešner
  • S. I. ’. Veld
  • B. Siek
  • N. Bednarz-Knoll
  • M. T. Rondina
  • T. Stokowy... i 3 innych

  - Scientific Reports - Rok 2021

  Blood platelet RNA-sequencing is increasingly used among the scientific community. Aberrant platelet transcriptome is common in cancer or cardiovascular disease, but reference data on platelet RNA content in healthy individuals are scarce and merit complex investigation. We sought to explore the dynamics of platelet transcriptome. Datasets from 204 healthy donors were used for the analysis of splice variants, particularly with...

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• Analiza właściwości tomografii elektryczno-magnetycznej w zastosowaniu do wykrywania obiektów ukrytych w gruncie

  Publikacja

  • A. Janczulewicz

  - Rok 2009

  W pracy przeanalizowano możliwość zastosowania tomografii elektryczno - magnetycznej do wykrywania min ukrytych w gruncie. Zakres pracy obejmuje przegląd stosowanych i rozwijanych technik wykrywania min. Zaprezentowane metody i techniki sklasyfikowano wg rodzaju wykorzystywanych fal lub pól (elektromagnetyczne, magnetyczne, elektryczne, akustyczne, itp.). Praca zawiera również wstępną analizę proponowanej metody, matematyczny model...

• Design and Optimization of a Compact Super-Wideband MIMO Antenna with High Isolation and Gain for 5G Applications

  Publikacja

  • B. Esmail
  • S. Kozieł
  • A. Pietrenko-Dąbrowska

  - Electronics - Rok 2023

  This paper presents a super-wideband multiple-input multiple-output (SWB MIMO) antenna with low profile, low mutual coupling, high gain and compact size for microwave and millimeter wave (mm-wave) fifth-generation (5G) applications. A single antenna is a simple elliptical-square shape with a small physical size of 20 × 20 × 0.787 mm3. The combination of both square and elliptical shapes results in an exceptionally broad impedance...

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• Pulsed Laser Deposition of Bismuth Vanadate Thin Films—The Effect of Oxygen Pressure on the Morphology, Composition, and Photoelectrochemical Performance

  Publikacja

  • K. Trzciński
  • M. Szkoda
  • M. Gazda
  • J. Karczewski
  • A. Cenian
  • G. Grigorian
  • M. Sawczak

  - Materials - Rok 2020

  Thin layers of bismuth vanadate were deposited using the pulsed laser deposition technique on commercially available FTO (fluorine-doped tin oxide) substrates. Films were sputtered from a sintered, monoclinic BiVO4 pellet, acting as the target, under various oxygen pressures (from 0.1 to 2 mbar), while the laser beam was perpendicular to the target surface and parallel to the FTO substrate. The oxygen pressure strongly affects...

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• Antibiotic-Based Conjugates Containing Antimicrobial HLopt2 Peptide: Design, Synthesis, Antimicrobial and Cytotoxic Activities

  Publikacja

  • N. Ptaszyńska
  • K. Gucwa
  • K. Olkiewicz
  • A. Łȩgowska
  • J. Okońska
  • J. Ruczyński
  • A. Gitlin-Domagalska
  • D. Dȩbowski
  • S. Milewski
  • K. Rolka

  - ACS Chemical Biology - Rok 2019

  Recent studies have shown that modified human lactoferrin 20−31 fragment, named HLopt2, possesses antibacterial and antifungal activity. Thus, we decided to synthesize and evaluate the biological activity of a series of conjugates based on this peptide and one of the antimicrobials with proven antibacterial (ciprofloxacin, CIP, and levofloxacin, LVX) or antifungal (fluconazole, FLC) activity. The drugs were covalently connected...

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• A Compact Circularly Polarized Dielectric Resonator Antenna with MIMO Characterizations for UWB Applications

  Publikacja

  • S. Khan
  • O. Khan
  • S. A. Shah
  • B. Malik
  • N. Gohar
  • S. Kozieł

  - Scientific Reports - Rok 2024

  Ultra-wideband (UWB) technology is extensively used in indoor navigation, medical applications, and Internet of Things (IoT) devices due to its low power consumption and resilience against multipath fading and losses. This paper examines a multiple input multiple-output (MIMO), circularly polarized (CP) dielectric resonator antenna (DRA) for UWB systems. Compact form factor, high gain, wideband response, improved port isolation,...

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• Experimental Study of the Resistance to Influence of Aggressive Liquids on Lightweight Concrete

  Publikacja

  • M. Kurpińska
  • E. Haustein

  - Materials - Rok 2021

  In light of the scientific research, the corrosion of concrete structures is one of the main problems that may reduce their durability due to the negative impact of the natural environment. The paper analyzes the influence of the type of component on the selected properties of lightweight concrete subjected to the influence of aggressive liquids. Four concrete mixes were prepared with a granular aggregate made of foamed glass (GEGA)...

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• Investigating an Optimal Computational Strategy to Retrofit Buildings with Implementing Viscous Dampers

  Publikacja

  • F. Kazemi
  • N. Asgarkhani
  • A. Manguri
  • R. Jankowski

  - Rok 2022

  Civil engineering structures may seriously suffer from different damage states re-‎sult of earthquakes. Nowadays, retrofitting the existing buildings is a serious ‎need among designers. Two important factors of required performance level and ‎cost of retrofitting play a crucial role in the retrofitting approach. In this study, a ‎new optimal computational strategy to retrofit structures by implementing linear ‎Viscous Dampers (VDs)...

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• Temperature-controlled nanomosaics of AuCu bimetallic structure towards smart light management

  Publikacja

  • W. Lipińska
  • K. Grochowska
  • J. Karczewski
  • J. Ryl
  • K. Siuzdak

  - JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS - Rok 2022

  Gold–copper nanostructures are promising in solar-driven processes because of their optical, photocatalytic and photoelectrochemical properties, especially those which result from the synergy between the two metals. Increasing interest in their internal structure, such as the composition or distribution of the Au and Cu as well as the size and shape of the nanoparticles, have developed to define their physicochemical properties. In...

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• Transcriptomic landscape of blood platelets in healthy donors

  Publikacja

  • A. Supernat
  • M. Popęda
  • K. Pastuszak
  • M. G. Best
  • P. Gresner
  • S. In ‘t Veld
  • B. Siek
  • N. Bednarz-Knoll
  • M. T. Rondina
  • T. Stokowy... i 3 innych

  - Scientific Reports - Rok 2021

  BACKGROUND Blood platelet RNA-sequencing is increasingly used among the scientific community. Aberrant platelet transcriptome is common in cancer or cardiovascular disease, but reference data on platelet RNA content in healthy individuals are scarce and merit complex investigation. METHODS We sought to explore the dynamics of platelet transcriptome. Datasets from 204 healthy donors were used for the analysis of splice variants,...

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• Polyurethanes Crosslinked with Poly(vinyl alcohol) as a Slowly-Degradable and Hydrophilic Materials of Potential Use in Regenerative Medicine

  Publikacja

  • J. Kucińska-Lipka

  - Materials - Rok 2018

  Novel, slowly-degradable and hydrophilic materials with proper mechanical properties and surface characteristics are in great demand within the biomedical field. In this paper, the design, synthesis, and characterization of polyurethanes (PUR) crosslinked with poly(vinyl alcohol) (PVA) as a new proposition for regenerative medicine is described. PVA-crosslinked PURs were synthesized by a two-step polymerization performed in a solvent...

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• Circulating miRNA profiles and the risk of hemorrhagic transformation after thrombolytic treatment of acute ischemic stroke: a pilot study

  Publikacja

  • M. Stańczak
  • A. Wyszomirski
  • P. Słonimska
  • B. Kołodziej
  • B. Jabłoński
  • A. Stanisławska-Sachadyn
  • B. Karaszewski

  - Frontiers in Neurology - Rok 2024

  Background: Hemorrhagic transformation (HT) in acute ischemic stroke is likely to occur in patients treated with intravenous thrombolysis (IVT) and may lead to neurological deterioration and symptomatic intracranial hemorrhage (sICH). Despite the complex inclusion and exclusion criteria for IVT and some useful tools to stratify HT risk, sICH still occurs in approximately 6% of patients because some of the risk factors for this...

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• In vitro antioxidative and binding properties of phenolics in traditional, citrus and exotic fruits

  Publikacja

  • Y. Park
  • M. Cvikrová
  • O. Martincová
  • K. Ham
  • S. Kang
  • Y. Park
  • J. Namieśnik
  • A. Rombolà
  • Z. Jastrzebski
  • S. Gorinstein

  - FOOD RESEARCH INTERNATIONAL - Rok 2015

  Many polyphenols bind proteins, therefore our research was focused on the potential of protein binding to polyphenols of investigated fruits and their health-related effects. The contents of polyphenols and related antioxidant activities of traditional, citrus and exotic fruits were compared. The presence of polyphenols (flavonoids and phenolic acids) in the investigated samples and their interaction with human serum albumin (HSA)...

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• Coordination polymers and molecular structures among complexes of mercury(II) halides with selected 1-benzoylthioureas

  Publikacja

  • A. Okuniewski
  • D. Rosiak
  • J. Chojnacki
  • B. Becker

  - POLYHEDRON - Rok 2015

  Six new 1-benzoyl-3-phenylthiourea and 1-benzoyl-3-(2-methylphenyl)thiourea complexes of mercury( II) were obtained in the reactions of the ligands with HgX2 in methanol (X = Cl, Br, I). Their structures, determined by single-crystal X-ray diffraction analysis, exhibit different stoichiometries and molecular organization. Coordination centers adopt more or less distorted tetrahedral geometry (five structures) or distorted trigonal...

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• Wave Method for Structural Health Monitoring: Testing Using Full-Scale Shake Table Experiment Data

  Publikacja

  • M. Ebrahimian
  • M. Todorovska
  • T. Falborski

  - JOURNAL OF STRUCTURAL ENGINEERING-ASCE - Rok 2017

  An algorithm of the wave method for structural health monitoring (SHM) is tested and calibrated using shake table experiment data of a full-scale, seven-story, reinforced-concrete building slice. The method is based on monitoring changes in the velocity of waves propagating vertically through the structure, identified by least-squares (LSQ) fit of beam models. The experiment was conducted by a team from the University of California,...

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• Bacterial consortium an axenic cultures isolated from activated sewage sludge for biodegradation of imidazolium-based ionic liquid

  Publikacja

  • M. Markiewicz
  • J. Klein
  • A. Brillowska-Dąbrowska
  • S. Stolte
  • J. Łuczak
  • C. Jungnickel

  - International Journal of Environmental Science and Technology - Rok 2014

  Extensive research and increasing number of potential industrial applications made ionic liquids (ILs) important materials in design of new, cleaner technologies. Together with the technological applicability, the environmental fate of these chemicals is considered and significant efforts are being made in designing strategies to mitigate their potential negative impacts. Many ILs are proven to be poorly biodegradable and relatively...

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• Oznaczanie stężeń jonów fluorkowych w próbkach wody pitnej z terenu miasta Malborka = Determination of fluoride ions in drinking water samples collected from the area of the town of Malbork

  Publikacja

  • Ż. Polkowska
  • M. Diduch
  • J. Namieśnik

  - Ecological Chemistry and Engineering S - Chemia i Inżynieria Ekologiczna S - Rok 2010

  W pracy przedstawiono badania próbek wody pitnej z terenu miasta Malborka. Próbki wody pobierano sześciokrotnie (w miesięcznych odstępach - październik 2008, listopad 2008, grudzień 2008, styczeń 2009, luty 2009 oraz marzec 2009) w siedmiu punktach leżących w głównych dzielnicach miasta Malborka. Pobrane próbki podano analizie w celu oznaczenia następujących parametrów: zawartość anionów: F-, Cl-, Br-, 2NO , 3NO , 34 PO , 24 SO...

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