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Assessment of hearing in coma patients employing auditory brainstem response, electroencephalography, and eye-gaze-tracking
PublikacjaThe results of the study conducted by Tagliaferri et al. in 12 European countries indicate that the ratio of registered brain injury cases in Europe amounts to 150-300 per 100 000 people, with the European mean value of 235 cases per 100 000 people. The project presented in the paper assumes development of a combined metric of patients’ state remaining in coma by intelligent fusion of GCS (subjective Glasgow Coma Scale or its derivatives)...
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Minimizing Distribution and Data Loading Overheads in Parallel Training of DNN Acoustic Models with Frequent Parameter Averaging
PublikacjaIn the paper we investigate the performance of parallel deep neural network training with parameter averaging for acoustic modeling in Kaldi, a popular automatic speech recognition toolkit. We describe experiments based on training a recurrent neural network with 4 layers of 800 LSTM hidden states on a 100-hour corpora of annotated Polish speech data. We propose a MPI-based modification of the training program which minimizes the...
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Mind the framing: Match purpose and context
PublikacjaIn several ways, the following chapters will allude to the concept of frames. The assumptions of a mathematical model tell us what it can explain and what it cannot (see chapter 5). The trade-off between the usefulness of a mathemati- cal model and the scale of complexity it seeks to capture further conditions the narrative, highlighting or downsizing cognitive elements relevant to responsible modelling (see ‘Mathematics and tales’...
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Energia aktywacji i mechanizm przewodzenia w polimerowych czujnikach wilgotności z polietylenoiminy
PublikacjaPrzedstawiono wyniki badań polimerowych czujników wilgotności z chemicznie modyfikowanej polietylenoiminy (PEI). W oparciu o zależność rezystancji filmów polimerowych od temperatury i wilgotności względnej powietrza wyznaczono wartości energii aktywacji związanej z jonowym przeniesieniem ładunku. Dokonano oceny wpływu rodzaju zastosowanego podłoża i odczynnika sieciującego na trwałość, właściwości elektryczne oraz na wartości energii...
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Position and velocity measurement using incremental encoder and microcontroller.
PublikacjaThere is presented measurement of position and velocity using Atmel's microcontroller ATTiny2313 with 20 MHz clock and encoder with 1024 pulses per revolution. This configuration allows measuring maximum speed 48800 rpm with 1x accuracy, 20200 rpm with 2x accuracy and 9400 rpm with 4x accuracy (quadrature). Position is measured with resolution of 0.352', 0.176' and 0.088' for 1x, 2x, 4x accuracy respectively. Algorithms of position...
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Tworzenie sieci współpracy uczelni z otoczeniem przy wykorzystaniu zamówień przedkomercyjnych na przykładzie projektu e-Pionier
PublikacjaAutorzy podjęli temat nowatorskiego podejścia uczelni do zamówień publicznych z wykorzystaniem modelu poczwórnej helisy opartej na zamówieniach przedkomercyjnych (pre-commercial procurement). Celem publikacji jest wskazanie możliwości praktycznego zastosowania takiego podejścia na przykładzie pilotażowego projektu e-Pionier, realizowanego w latach 2017-2020 przez Politechnikę Gdańską we współpracy z innymi uczelniami, instytucjami...
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Innowacje w standardach okablowania strukturalnego
PublikacjaW pracy oceniono zasadność realizacji w najbliższych latach okablowania sieci teleinformatycznych w technologiach miedzianych. Przedstawiono stan standaryzacji okablowania miedzianego. Wskazano na rozwiązania, w tym nowe, inowacyjne (IEEE 802.3at PoE 2009, ANSI/TIA-568-B.2-10 2008, Amendment 1 to ISO/IEC 11801 2nd Ed. 2008, IEEE 802.3ap backplane 2007, autonegocjacje 2008), których stosowanie umacnia rolę instalacji miedzianych...
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Broadcast copies reveal the quantumness of correlations
PublikacjaWe study the quantumness of bipartite correlations by proposing a quantity that combines a measure of total correlations-mutual information-with the notion of broadcast copies-i.e., generally nonfactorized copies-of bipartite states. By analyzing how our quantity increases with the number of broadcast copies, we are able to classify classical, separable, and entangled states. This motivates the definition of the broadcast regularization...
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Metale z grupy platynowców a transport drogowy
PublikacjaW artykule krótko scharakteryzowano nową grupę zanieczyszczeń o charakterze komunikacyjnym jakimi są metale z grupy platynowców (PGE). Przedstawiono możliwości zastosowań platynowców w różnych sektorach przemysłu. W tym punkcie szczególną uwagę zwrócono na emisję platynowców z katalizatorów samochodowych. Ponadto określono czynniki wpływające na zawartość platynowców w próbkach środowiskowych oraz rodzaje efektów toksycznych, jakie...
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Method of Skeletal System Modelling
PublikacjaAn original method of skeletal system modelling is presented in detail. Using DICOM images obtained from CT and PET tests, shell models of nine bones were created (humerus, radius, ulna, scapula, clavicle, femur, tibia, fibula, pelvis). Two methods of bone behaviour are also proposed, the first method treating the bone as a solid structure and the second method treating the bone as a complex porous structure. The behaviour of model...
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Wydatki na opiekę zdrowotna a wskaźniki zdrowotne na przykładzie wybranych państw OECD
PublikacjaW artykule przedstawiono korelację pomiędzy wydatkami na opiekę zdrowotną na osobę w $, wydatkami na administrację opieki zdrowotnej i ubezpieczeń w $ per capita a wskaźnikami zdrowotnymi. Z analizy danych wynika że istnieje silna korelacja ujemna pomiędzy wydatkami a wskaźnikiem zgonów i wskaźnikiem śmiertelności niemowląt oraz dodatnia korelacja pomiędzy wydatkami a przewidywana długością życia, silniejsza w wielu państwach dla...
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Acid-triggered release from sterically stabilized fusogenic liposomes via ahydrolytic DePEGylation strategy
PublikacjaOpracowano nowe, labilne w stosunku do kwasów, pochodne diplasmenylo-cholinysprzężone z glikolem polietylenowym (PEG) i zbadano ich wpływ na lipozomy.Opisano szybkość hydrolizy oraz szybkość uwalniania oraz kinetykę tworzenialipozomów DOPE stabilizowanych BVEP stosunków molowych BCEP/DOPE wynoszących1:99, 3:97 oraz 5:95. Zbadano widma 31P NMR, także dla układów z jonami Mn2+dla różnych wartości pH.
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Previous Opinions is All You Need - Legal Information Retrieval System
PublikacjaWe present a system for retrieving the most relevant legal opinions to a given legal case or question. To this end, we checked several state-of-the-art neural language models. As a training and testing data, we use tens of thousands of legal cases as question-opinion pairs. Text data has been subjected to advanced pre-processing adapted to the specifics of the legal domain. We empirically chose the BERT-based HerBERT model to perform...
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L'humanisation de la justice criminelle dans la France desLumieres
PublikacjaIn pre-revolutionary France criminal justice is regulated by the Ordinance Louis XIV of 1670. This Ordinance provides for torture as the major method of investigation and for the death penalty as the most commonly used form of punishment. One of the major concerns of French eighteenthcentury philosophers is therefore a radical reform of criminal justice and its humanisation in the spirit of Enlightenment. Many philosophers take...
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From a Point Cloud to a 3D Model - an Exercise for Users of AutoCAD and Revit
PublikacjaThe paper presents a proposal of the topic of an exercise for students of building faculties as part of classes on 3D modelling. The task consists in creating a three-dimensional model based on the measurement obtained with the Leica P30 laser scanner. Due to the maximum number of points in the cloud in the presented programs, the output files must be properly cleared and reduced. The point cloud was pre-processed in Cyclone software....
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Discrete random variables in reliability calculations of a reticulated shell
PublikacjaImplementation of the Point Estimation Method (PEM) in the reliability analysis of a three-dimensional truss structure is presented in the paper. The influence of geometric and material random parameters on the truss load-carrying capacity was investigated. The analysis was performed for different combinations of basic variables. Symmetric and asymmetric cases of snow load were taken to assess the structural reliability. Sensitivity...
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A method for preliminary estimation of the length of midship body block to be inserted during ship’s conversion
PublikacjaThe paper presents a method for preliminary estimation of the length of the midship body block, which inserted in the original hull, increases the deadweight of the ship in line with a required quantity. The method may be useful for establishing the scope of conversion to better adjust the ship for transportation tasks. The problem is formulated by using a mathematical model so selected that its solution, under set of assumptions,...
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Synthesis and magnetic properties of (Ba,Bi)1.54Rh8O16 hollandite
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Using neural networks to examine trending keywords in Inventory Control
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Synthesis and magnetic properties of (Ba,Bi)_1.54Rh_8O_16 hollandite.
PublikacjaW pracy przedstawiono wyniki badań nad syntezą, strukturą, właściwościami elektrycznymi i magnetycznymi holandytu (Ba,Bi)_1.54Rh_8O_16. Dodanie bizmutu stabilizuje strukturę hollondytu Ba_xRh_8_O_16. Materiał jest Curie-Weiss paramagnetykiem. Nie zaobserwowano nadprzewodnictwa do temperatury 300mK.
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Simultaneous removal of heavy metals and dyes in water using a MgO-coated Fe3O4 nanocomposite: Role of micro-mixing effect induced by bubble generation
PublikacjaThis study focused on the development of a nano-adsorbent for contaminant removal without the use of any external energy. An eco-friendly Fe3O4@MgO core-shell nanocomposite was synthesized and tested for the removal of a heavy metal, lead (Pb2+) and a dye, rhodamine B (RhB). The addition of H2O2 into the system enabled the self-mixing of the aqueous solution containing Fe3O4@MgO through the generation of bubbles. This system showed...
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Utilizing pulse dynamics for non-invasive Raman spectroscopy of blood analytes
PublikacjaNon-invasive measurement methods offer great benefits in the field of medical diagnostics with molecular-specific techniques such as Raman spectroscopy which is increasingly being used for quantitative measurements of tissue biochemistry in vivo. However, some important challenges still remain for label-free optical spectroscopy to be incorporated into the clinical laboratory for routine testing. In particular, non-analyte-specific...
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Towards bees detection on images: study of different color models for neural networks
PublikacjaThis paper presents an approach to bee detection in videostreams using a neural network classifier. We describe the motivationfor our research and the methodology of data acquisition. The maincontribution to this work is a comparison of different color models usedas an input format for a feedforward convolutional architecture appliedto bee detection. The detection process has is based on a neural...
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Inhibitory endopeptydazy prolinowej pochodzące z białek żywności
PublikacjaBioaktywne peptydy pochodzące z białek żywności mają nie tylko znaczenie żywieniowe, ale szczególnie profilaktyczne i terapeutyczne w przypadku wielu chorób. Są to małocząsteczkowe fragmenty białek, które po uwolnieniu podczas hydrolizy mogą wykazywać m.in. właściwości przeciwcukrzycowe, przeciwnadciśnieniowe, przeciwdrobnoustrojowe, przeciwutleniające, immunomodulujące...
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The role of biodegradable particulate and colloidal organic compounds in biological nutrient removal activated sludge systems
PublikacjaThe efficiency of denitrification and enhanced biological phosphorus removal in biological nutrient removal activated sludge systems is strongly dependent on the availability of appropriate carbon sources. Due to high costs of commercial compounds (such as methanol, ethanol, acetic acid, etc.) and acclimation periods (usually) required, the effective use of internal substrates is preferred. The aim of this study was to determine...
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Synthesis of Titanium Dioxide via Surfactant-Assisted Microwave Method for Photocatalytic and Dye-Sensitized Solar Cells Applications
PublikacjaIn this study, titania nanoparticles were obtained using the microwave-assisted technique. Moreover, different surfactants (PEG (Mn = 400), Pluronic P123 and Triton X−100) were used during the synthesis in order to determine their impact on the crystallinity and morphology of the final products. Subsequently, techniques such as XRD, SEM and TEM (performed in high contrast and high-resolution mode), diffuse reflectance spectroscopy...
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Laser-Induced Graphitization of Polydopamine on Titania Nanotubes
PublikacjaSince the discovery of laser-induced graphite/graphene, there has been a notable surge of scientific interest in advancing diverse methodologies for their synthesis and applications. This study focuses on the utilization of a pulsed Nd:YAG laser to achieve graphitization of polydopamine (PDA) deposited on the surface of titania nanotubes. The partial graphitization is corroborated through Raman and XPS spectroscopies and supported...
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The influence of α,ω-diols and SiO2 particles on CO2 absorption and NH3 escaping during carbon dioxide capture in ammonia solutions
PublikacjaAmmonia solutions are widely used solvents for CO2 capture. However, a significant disadvantage of these solvents is secondary pollution of the purified gas stream by desorbed ammonia. In this work, α,ω-diols, and colloidal silica have been proposed to reduce this undesired effect. Ammonia solutions with the addition of ethylene glycol (EG), 1,3-propanediol (PRD), 1,4-butanediol (BUD), 1,5-pentanediol (PED), or 1,6-hexanediol (HED)...
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Two-photon perimetry utilizing picosecond laser
PublikacjaAge-related impairments are becoming more and more severe for aging societies. The sensory organ diseases are particularly troublesome as they exclude seniors from their everyday activity. Therefore, maintaining good quality eyesight is essential for normal functioning. New medical therapies help restrain age-related changes, but still, monitoring is essential to the treatment process. Humans do not have the natural ability to...
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The condition of economies. Do most valuable global brands matter?
PublikacjaResearch background: Brands are considered to be the most valuable asset of a company. Some of them achieve spectacular global results. The significance of global brands is proved by the fact that their value is often greater than the sum of all company’s net assets. Purpose of the article: The aim of this article is to highlight that brand value does not only create company’s value, but also leverages economies. The Authors claim...
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Antimicrobial Activity of Honey
PublikacjaHoney has had a valued place in traditional medicine for centuries. It was used to overcome liver, cardiovascular and gastrointestinal problems and for treatment of some types of infectious disease. Particularly, good results were achieved in the case of application of this product for therapy of infected, difficult to heal wounds. The high health-promoting properties of honey have been recently confirmed in many research investigations....
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Property-performance relationship of core-shell structured black TiO2 photocatalyst for environmental remediation
PublikacjaUnderstanding the relationship between the properties and performance of black titanium dioxide with core-shell structure (CSBT) for environmental remediation is crucial for improving its prospects in practical applications. In this study, CSBT was synthesized using a glycerol-assisted sol-gel approach. The effect of different water-to-glycerol ratios (W:G = 1:0, 9:1, 2:1, and 1:1) on the semiconducting and physicochemical properties...
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Zn-dust derived ultrafine grained ZnO non-linear ceramic resistors via in-situ thermal oxidation of cermet reactant mixture
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Polyaryletherketone polymer nanocomposite engineered with nanolaminated Ti3SiC2 ceramic fillers
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Bulk processing of ZnO nanostructures via microwave assisted oxidation of mechanically seeded Zn dust for functional paints and coatings
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Efektywność scatternetu Bluetooth współistniejącego z siecią IEEE 802.11b
PublikacjaPasmo ISM wykorzystywane jest przez wiele różnych technologii transmisji bezprzewodowej. Tym samym pojawiają się problemy związane z zapewnieniem określonej efektywności dla tych sieci. W artykule analizowano przykład interferencji pochodzących ze strony nadajników IEEE 802.11b (pot. Wi-Fi) oraz innych pikosieci Bluetooth (BT), które mają wpływ na transmisję w scatternecie Bluetooth oraz zaproponowano metodę wyznaczania pakietowej...
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Budowa chemiczna a właściwości usieciowanych poli(estrouretanów)
PublikacjaW pracy przedstawiono wyniki badań wpływu struktury chemicznej usieciowanych poli(estrouretanów) (PEU) na ich statyczne i dynamiczne właściwości mechaniczne. Poli(estrouretany) syntetyzowane z oligo(alkilenoaryloestro)dioli (OAAE) oraz 4,4`-diizocyjanianu difenylometanu sieciowano za pomocą metakrylanu metylu, poprzez kopolimeryzację sieciującą, inicjowaną rodnikowo. Badania statycznych i dynamicznych właściwości mechanicznych...
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STEADY STATE VISUALLY EVOKED POTENTIALS FOR BRAIN COMPUTER INTERFACE
PublikacjaAn experiment conducted to validate a possibility of use a single active electrode EEG device for detecting Steady State Visually Evoked Potentials (SSVEP) is shown. A LED stimulator was applied to stimulate patients with two different frequencies - 13 Hz and 17 Hz. First, EEG signals were recorded and pre-processed using MATLAB software. In the next step recordings were analysed and classified employing the WEKA software. As indicated...
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Does one currency mean one price? An analysis of the euro effect on price dispersion and convergence
PublikacjaThis paper examines price differentials in the European Union to investigate whether the European Monetary Union has lowered the degree of price dispersion in the euro zone and increased the speed of price convergence. Both euro effects are evaluated using difference-in-difference methodology. Applied to the issue of introducing a single currency, the euro effects identified are the estimated differences in price dispersion and...
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Numerical studies on the influence of selected construction features and road conditions on the performance of road cable barriers
PublikacjaCable barriers are commonly used on Polish roads, including motorways and local roads. Their main elements are pre-stressed wire ropes, which are usually anchored at two ends in concrete blocks buried in the soil. In this work numerical studies concerning the influence of selected construction features and parameters of the vehicle motion on the performance of cable barriers were performed. Numerical simulations are a useful tool...
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Real and imaginary motion classification based on rough set analysis of EEG signals for multimedia applications
PublikacjaRough set-based approach to the classification of EEG signals of real and imaginary motion is presented. The pre-processing and signal parametrization procedures are described, the rough set theory is briefly introduced, and several classification scenarios and parameters selection methods are proposed. Classification results are provided and discussed with their potential utilization for multimedia applications controlled by the...
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Multiple Solutions to Third-Order Differential Equations with Derivative Dependence and Deviating Arguments
PublikacjaIn this paper, we give some new results for multiplicity of positive (nonnegative) solutions for third-order differential equations with derivative dependence, deviating arguments and Stieltjes integral boundary conditions. We discuss our problem with advanced argument α and arbitrary β ∈ C([0,1],[0,1]), see problem (2). It means that argument β can change the character on [0,1], so β can be delayed in some set J ⊂ [0,1] and advanced...
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Report of the ISMIS 2011 Contest : Music Information Retrieval
PublikacjaThis report presents an overview of the data mining contestorganized in conjunction with the 19th International Symposiumon Methodologies for Intelligent Systems (ISMIS 2011), in days betweenJan 10 and Mar 21, 2011, on TunedIT competition platform. The contestconsisted of two independent tasks, both related to music information retrieval:recognition of music genres and recognition of instruments, for agiven music sample represented...
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Przedwojenne wydawnictwa Stowarzyszenia Elektryków Polskich w bibliotekach i bibliotekach cyfrowych
PublikacjaArtykuł przedstawia krótką historię piśmiennictwa z dziedziny elektrotechniki. Po 1918 r. obserwuje się wzrost liczby publikacji, a wraz z rozwojem nauki zwiększa się obszar tematyczny literatury fachowej. Ogromną zasługę w tym rozwoju miało Stowarzyszenie Elektryków Polskich. W artykule pokazano sposoby wyszukiwania wydawnictw przedwojennych SEP, ich dostępność w bibliotekach, także cyfrowych. Przedstawia w jaki sposób zwiększyć...
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Novel primosomal protein B from Clostridium pasteurianum
PublikacjaPriB is a primosomal protein that catalyzes DNA replication in Procaryota. The replication pathway starts with PriA protein - the initiator protein that binds to a DNA replication fork, unwinds double-stranded DNA and role of PriB is to stabilize PriA on the DNA. However there are many biochemical differences in replication mechanism in bacteria and only some of them use PriB proteins. A few of PriB proteins were published and...
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Toward Mechanosynthesis of Diamondoid Structures: X. Commercial Capped CNT SPM Tip as Nowadays Available C2 Dimer Placement Tool for Tip-Based Nanofabrication
PublikacjaAccording to Drexler, advanced mechanosynthesis will employ advanced nano-machines, but advanced nano-machines will themselves be products of advanced mechanosynthesis. This circular relationship must be broken via TBN technology development. In this article, the possibility of using easily available commercial CNT tips to assemble carbon-based intermediate generations of nano-devices is considered. Mechanosynthesis of a target...
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Novel primosomal protein B from Clostridium pastuerianum
PublikacjaPriB is a primosomal protein that catalyzes DNA replication in Procaryota. The replication pathway starts with PriA protein - the initiator protein that binds to a DNA replication fork, unwinds double-stranded DNA and role of PriB is to stabilize PriA on the DNA. However there are many biochemical differences in replication mechanism in bacteria and only some of them use PriB proteins. A few of PriB proteins were published and...
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Treatment Wetlands in Rural Areas of Poland for Baltic Sea Protection
PublikacjaWater and wastewater management, especially in rural areas, greatly affects loads of nutrients discharged to the Baltic Sea. In Poland, this management is unbalanced because of the dispersed development and in many locations construction of sewerage system is uneconomic or even impossible. For this reason, a significant part of sewage from single-family houses in rural areas must be discharged into domestic sewage systems. The...
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Genotoxic properties of glucosinolates and isothiocyanates present in Brassica vegetables
PublikacjaThe bioactive phytochemicals found in Brassica vegetables, in this number glucosinolates (GLS), as well as products of their degradation such as isothiocyanates (ITC) and indoles, are regarded as the most promising chemopreventive compounds. These secondary metabolites display stron antibiological activity and constitute defence system preventing the development of agrophages attacking Brassica plants. Such properties suggest...
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Detection of circulating tumor cells by means of machine learning using Smart-Seq2 sequencing
PublikacjaCirculating tumor cells (CTCs) are tumor cells that separate from the solid tumor and enter the bloodstream, which can cause metastasis. Detection and enumeration of CTCs show promising potential as a predictor for prognosis in cancer patients. Furthermore, single-cells sequencing is a technique that provides genetic information from individual cells and allows to classify them precisely and reliably. Sequencing data typically...