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Search results for: COMPLIANT MECHANISMS
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Endothelial integrity may be regulated by a specific antigen via an IgE-mediated mechanism
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SEM investigations of the mechanism of formation and growth of nanohydroxyapatite layers coated with ultrasonic method
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A Novel Cryptic Clostridial Peptide That Kills Bacteria by a Cell Membrane Permeabilization Mechanism
PublicationThis work reports detailed characteristics of the antimicrobial peptide Intestinalin (P30), which is derived from the LysC enzyme of Clostridium intestinale strain URNW. The peptide shows a broader antibacterial spectrum than the parental enzyme, showing potent antimicrobial activity against clinical strains of Gram-positive staphylococci and Gram-negative pathogens and causing between 3.04 ± 0.12 log kill for Pseudomonas aeruginosa...
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Removal of diphenols using pine biochar. Kinetics, equilibrium, thermodynamics, and mechanism of uptake
PublicationThermal pyrolysis synthesized activated biochar from the Pinus elliottii sawdust (PS) at 600° C. The obtained activated biochar (PB600) was used for the removal of three diphenols, catechol (CAT), resorcinol (RES), and hydroquinone (HYD), which are utilized mainly in different industries. The PB600 was characterized by several analytical techniques. The BET surface area of 1473 m2.g−1 and a total pore volume of 0.707 cm3 g−1 was...
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Molecular mechanism of proton-coupled ligand translocation by the bacterial efflux pump EmrE
PublicationThe current surge in bacterial multi-drug resistance (MDR) is one of the largest challenges to public health, threatening to render ineffective many therapies we rely on for treatment of serious infections. Understanding different factors that contribute to MDR is hence crucial from the global “one health” perspective. In this contribution, we focus on the prototypical broad-selectivity proton-coupled antiporter EmrE, one of the...
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Mechanism of reaction of RNA-dependent RNA polymerase from SARS-CoV-2
PublicationWe combine molecular dynamics, statistical mechanics, and hybrid quantum mechanics/molecular mechanics simulations to describe mechanistically the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) RNA-dependent RNA polymerase (RdRp). Our study analyzes the binding mode of both natural triphosphate substrates as well as remdesivir triphosphate (the active form of drug), which is bound preferentially over ATP by RdRp while...
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Hyperelastic Microcantilever AFM: Efficient Detection Mechanism Based on Principal Parametric Resonance
PublicationThe impetus of writing this paper is to propose an efficient detection mechanism to scan the surface profile of a micro-sample using cantilever-based atomic force microscopy (AFM), operating in non-contact mode. In order to implement this scheme, the principal parametric resonance characteristics of the resonator are employed, benefiting from the bifurcation-based sensing mechanism. It is assumed that the microcantilever is made...
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Some Introductory and Historical Remarks on Mechanics of Microstructured Materials
PublicationHere we present few remarks on the development of the models of microstuctured media and the generalized continua.
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Mechanizm koordynacji budżetów operacyjnych w przedsiębiorstwie przemysłowym.
PublicationArtykuł obejmuje opis procedur stosowanych w zakresie łączenia budżetów operacyjnych ze sprawozdaniami finansowymi z wykorzystaniem wskaźników finansowych określających cele działalności przedsiębiorstwa
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Sawing of wood - mechanics of cutting process, tools and machines.
PublicationW pracy przedstawiono wpływ obciażenia piły na dokładnośc przecinania. Zaprezentowano pilarkę ramową z eliptyczną trajektorią ruchu pił i hybrydowym dynamicznie wyrównoważonym napędem ramy piłowej, jak również wizyjny kontroler ostrzy pił tarczowych.
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A new integrated curriculum for computational methods in mechanics and design
PublicationPrzedstawiono program nowej specjalności na studiach inżynierskich: metody numeryczne w mechanice i projektowaniu, prowadzonej w języku angielskim.
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Mechanizm transakcji forward na masowe produkty rolne
PublicationArtykuł dotyczy jednego ze sposobów zawierania i rozliczania transakcji na masowe produkty rolne.
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Regulacyjny mechanizm interwencyjny w sektorze łączności elektronicznej
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Survey of modern trends in analysis of continuum damage mechanics
PublicationW artykule dokonano szerokiego przegladu literatury z zakresu mechaniki zniszczenia izotropowego. Przedstawiono równania stosowane w opisie zniszczenia materiału.
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Cosmic-Time Quantum Mechanics and the Passage-of-Time Problem
PublicationA new dynamical paradigm merging quantum dynamics with cosmology is discussed.
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From fluid mechanics backgrounds to modern field theory
PublicationOur presentation keeps a historical line of reasoning, since we start from old concepts of fluid mechanics and finish on concepts of modern field theory. We want to show that some facts from the nature phenomena, which have firstly been discovered on the ground of fluid mechanics, were next incorporated into physics and later become the important pattern for whole mathematical physics. Especially, well-known continuum models, which...
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EXPERIMENTAL MECHANICS
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PROGRESS IN REACTION KINETICS AND MECHANISM
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Zakłócenia w układach cyfrowych. Mechanizmy i metody pomiaru
PublicationPrzedstawiono mechanizmy powstawania i sposoby pomiaru podatności układów cyfrowych na zakłócenia. Zaprezentowano metodę pomiaru dynamicznej odporności na zakłócenia układów cyfrowych z zastosowaniem wzorcowego sygnału szumowego z możliwością ograniczania szerokości pasma stymulującego sygnału szumowego. Opisano opracowane modele symulacyjne i przykładowe wyniki badań potwierdzające efektywność zaproponowanej metody.
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MECHANIZMY OPORNOŚCI NA AZOLE DROŻDŻAKÓW Z RODZAJU CANDIDA
PublicationOporność na rożne grupy chemoterapeutyków jest w ciągu ostatnich lat coraz większym problemem, zwłaszcza jeśli chodzi o dobór odpowiedniej terapii infekcji grzybiczych. Drożdżaki z rodzaju Candida wykazują oporność przede wszystkim na leki z grupy azoli. Jest to grupa leków najczęściej stosowana ze względu niewielką ilość efektów ubocznych w porównaniu do innych grup chemoterapeutyków: echinokandyn czy polienów charakteryzujących...
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Advances in Applied Mechanics
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Journal of Geometric Mechanics
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Coupled Systems Mechanics
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Computational Particle Mechanics
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INTERNATIONAL APPLIED MECHANICS
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Extreme Mechanics Letters
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Journal of Solid Mechanics
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Engineering Solid Mechanics
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PNRPU Mechanics Bulletin
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Theoretical and Applied Mechanics
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Materials Physics and Mechanics
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Rock and Soil Mechanics
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Applied and Computational Mechanics
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International Journal of Mechanics
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PROBABILISTIC ENGINEERING MECHANICS
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Applied Mechanics Reviews
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Computational Continuum Mechanics
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Communications in Analysis and Mechanics
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Applied Mathematics and Mechanics
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STRUCTURAL ENGINEERING AND MECHANICS
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Compliance with the restrictions during the COVID-19 pandemic in Poland and Sweden
Open Research DataOur study is aimed to check if the difference between Sweden and Poland in trust is related to negative affective reactions to authorities and law antipathy being manifestations of lack of trust and related to value-based legitimacy, behavioral legitimacy and prosocial justification of compliance with the restrictions put on citizens to limit the spread...
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Comparison of quenching mechanisms in Gd3Al5−xGaxO12:Ce3+ (x = 3 and 5) garnet phosphors by photocurrent excitation spectroscopy
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Virulence, antifungal susceptibility and molecular mechanisms of echinocandin resistance among Candida isolates recovered from clinical specimens
PublicationFungi of the genus Candida belong to the natural microflora of healthy individuals. However, they can also be a cause of opportunistic infections especially among patients with an impaired immune system. The first line therapy of Candida infections is based on triazoles. However, in recent years there an increase of azole resistant Candida spp., in particular C. glabrata and C. krusei, has been observed. For this reason, echinocandin...
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Study of the NO2 sensing mechanism of PEDOT-RGO film using in situ Raman Spectroscopy
PublicationIn this work, the mechanism of the NO2 reaction with PEDOT-RGO composite film has been investigated via in situ Raman spectroscopy. Reduced graphene oxide (RGO), poly(3,4-ethylenedioxytiophene)-reduced graphene oxide (PEDOT-RGO) and poly(3,4-ethylenedioxytiophene)/ClO4− (PEDOT/ClO4−) films were fabricated using an electrodeposition method and used as resistance sensors of gaseous nitrogen dioxide. The experimental results indicate...
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Mechanism of Reduced Sintering Temperature of Al2O3–ZrO2 Nanocomposites Obtained by Microwave Hydrothermal Synthesis
PublicationA novel method to obtain Al2O3–ZrO2 nanocomposites is presented. It consists of the co-precipitation step of boehmite (AlO(OH)) and ZrO2, followed by microwave hydrothermal treatment at 270 ◦ C and 60 MPa, and by calcination at 600 ◦ C. Using this method, we obtained two nanocomposites: Al2O3–20 wt % ZrO2 and Al2O3–40 wt % ZrO2. Nanocomposites were characterized by Fourier transformed infrared spectroscopy, Raman spectroscopy,...
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Condition of Reinforced Concrete Structures and Their Degradation Mechanism at the Former Auschwitz Concentration and Extermination Camp
PublicationThis paper presents the results of investigations on reinforced concrete structures present in the former Auschwitz I and Auschwitz II-Birkenau concentration and extermination camp. Field inspection employing the non-destructive method of reinforcement potential measurement according to the ASTM-C 876–15 standard, followed by laboratory investigations performed on genuine historic reinforced concrete samples collected from the...
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Cellular Turnover: A Potential Metabolic Rate–Driven Mechanism to Mitigate Accumulation of DNA Damage
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Mechanism of the ethanol-based (C2H5OH2)+(SbF6)− salt formation by the superacid-catalyzed acetaldehyde hydrogenation
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Impact of TiO2 Surface Defects on the Mechanism of Acetaldehyde Decomposition under Irradiation of a Fluorescent Lamp
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Synthesis, Growth Mechanism, and Electrochemical Properties of Hollow Mesoporous Carbon Spheres with Controlled Diameter
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