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Search results for: PRÓBA IMPLANT
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Powłoki na osnowie pierwiastkowego węgla przeznaczone na implanty tytanowe
PublicationRozprawa miała na celu modyfikację podłoża z tytanu II oraz stopu Ti13Nb13Zr poprzez osadzenie elektroforetyczne (EPD) powłok na bazie wielościennych nanorurek węglowych (MWCNTs) z dodatkami wielkości nanometrycznej, przeznaczonych na pokrycia trzpieni endoprotez stawu biodrowego. Przygotowano trzy rodzaje powłok MWCNTs: z dodatkiem nanomiedzi (MWCNTs/Cu), nanosrebra (MWCNTs/Ag) oraz tlenku tytanu (MWCNTs/TiO2), osadzone w procesie...
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Modeling the debonding process of osseointegrated implants due to coupled adhesion and friction
PublicationCementless implants have become widely used for total hip replacement surgery. The long-term stability of these implants is achieved by bone growing around and into the rough surface of the implant, a process called osseointegration. However, debonding of the bone–implant interface can still occur due to aseptic implant loosening and insufficient osseointegration, which may have dramatic consequences. The aim of this work is to...
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Debonding of coin-shaped osseointegrated implants: Coupling of experimental and numerical approaches
PublicationWhile cementless implants are now widely used clinically, implant debonding still occur and is difficult to anticipate. Assessing the biomechanical strength of the bone–implant interface can help improving the understanding of osseointegration phenomena and thus preventing surgical failures. A dedicated and standardized implant model was considered. The samples were tested using a mode III cleavage device to assess the mechanical...
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The bahaviour of selected silver coated body implants in presence of various bacteria
PublicationThe article deals with implants covered with silver nanoparticles and its influence on bacteria adhesion.
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Ultrafine-Grained Ti-31Mo-Type Composites with HA and Ag, Ta2O5 or CeO2 Addition for Implant Applications
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Complex Corrosion Properties of AISI 316L Steel Prepared by 3D Printing Technology for Possible Implant Applications
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A FEM membrane model of human fascia-synthetic implant system in a case of a stiff ventral hernia orifice
PublicationPraca prezdstawia model matematyczny układu tkanka ludzka - implant syntetyczny w postaci tzw. siatki w leczeniu przepuklin brzusznych. Implant jest tu moelowany jako struktura membranowa. Ocena wpływu danych materiałowych oraz wstępnego napięcia na zachowanie pracującej membrany po implantacji została przedstawiona na podstawie analizy wrażliwości. Pracę podsumowują pewne wskazówki dla chirurgów implantujących siatki.
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Breast implant-associated anaplastic large cell lymphoma - Female, 40 - Tissue image [10040729541212331]
Open Research DataThis is the histopathological image of BREAST tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Breast implant-associated anaplastic large cell lymphoma - Female, 40 - Tissue image [10040729541212601]
Open Research DataThis is the histopathological image of BREAST tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Breast implant-associated anaplastic large cell lymphoma - Female, 40 - Tissue image [10040729541212901]
Open Research DataThis is the histopathological image of BREAST tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Breast implant-associated anaplastic large cell lymphoma - Female, 42 - Tissue image [10040729541212031]
Open Research DataThis is the histopathological image of BREAST tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Breast implant-associated anaplastic large cell lymphoma - Female, 42 - Tissue image [10040729541217341]
Open Research DataThis is the histopathological image of BREAST tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Breast implant-associated anaplastic large cell lymphoma - Female, 40 - Tissue image [10040729541214921]
Open Research DataThis is the histopathological image of BREAST tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Breast implant-associated anaplastic large cell lymphoma - Female, 40 - Tissue image [3300730069445181]
Open Research DataThis is the histopathological image of BREAST tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Breast implant-associated anaplastic large cell lymphoma - Female, 40 - Tissue image [10040729541214991]
Open Research DataThis is the histopathological image of BREAST tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Breast implant-associated anaplastic large cell lymphoma - Female, 40 - Tissue image [10040729541219801]
Open Research DataThis is the histopathological image of BREAST tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Breast implant-associated anaplastic large cell lymphoma - Female, 40 - Tissue image [10040729541211191]
Open Research DataThis is the histopathological image of BREAST tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Breast implant-associated anaplastic large cell lymphoma - Female, 42 - Tissue image [10040729541219141]
Open Research DataThis is the histopathological image of BREAST tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Breast implant-associated anaplastic large cell lymphoma - Female, 42 - Tissue image [10040729541216851]
Open Research DataThis is the histopathological image of BREAST tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Motions and slamming impact on catamaran
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Impact of obesity on cardiovascular health
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Impact response of two-layered grouted aggregate fibrous concretecomposite under falling mass impact
PublicationTwo-layered Grouted Aggregates Fibrous Concrete Composite (TGAFCC) is a new category concrete which became popular recently and attracted the attention of researchers globally. Recent studies indicated that TGAFCC has notable improvement in mechanical properties, which has been sufficiently documented. However, the impact behaviour of TGAFCC when combined with Glass Fibre Mesh (GFM) and Textile Fibre Mesh (TFM) is still unexplored....
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Możliwości modelowania rozkładu naprężeń i odkształceń w endoprotezie stawu biodrowego w układzie implant - kość z uwzględnieniem własności materiałowych = Possibility of stress and strain modelling in total hip replacement in implant-bone system including material properties
PublicationW pracy przedstawiono możliwości wykorzystania numerycznych technik komputerowych do modelowania rozkładu naprężeń i odkształceń w endoprotezie stawu biodrowego w układzie implant-kość z uwzględnieniem własności materiałowych elementów endoprotezy. Przedstawiono komputerowe modele służące do analizy naprężeń i odkształceń w endoprotezie wykonane przy wykorzystaniu metody elementów skończonych. Metody modelowania naprężeń i odkształceń...
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Ocena możliwości zastosowania obróbki laserowej i implantacji jonowej stopów metali na implant stawu kolanowego
PublicationZagadnieniem podjętym w niniejszym referacie jest zmodyfikowanie warstwy wierzchniej stopu tytanu Ti6Al4V przeznaczonego na implanty. Autor opisuje metody modyfikacji powierzchni w wyniki nakładania warstwy węglowej metodą PA CVD (ang. Plasma Assisted Chemical Vapour Deposition) oraz warstwy hydroksyapatytu metodą zol-żel i elektrochemiczną. Badania zostały przeprowadzone w laboratoriach Zakładu Biomateriałów, Katedry Inżynierii...
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The influence of plasma-sprayed coatings on surface properties and corrosion resistance of 316L stainless steel for possible implant application
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Constitutive Modelling of Knitted Abdominal Implants in Numerical Simulations of Repaired Hernia Mechanics
PublicationThe paper presents a numerical approach to describe mechanical behavior of anisotropic textile material, which is a selected abdominal prosthesis. Two constitutive nonlinear concepts are compared. In the first one the material is considered composed from two families of threads (dense net model) and in the second one the material is homogeneous but anisotropic (as proposed by Gassel, Ogden, Holzapfel). Parameters of both models...
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Electro-optical system for the automated selection of dental implants according to their colour matching
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Influence of Surface Modification of Titanium and Its Alloys for Medical Implants on Their Corrosion Behavior
PublicationTitanium and its alloys are often used for long-term implants after their surface treatment. Such surface modification is usually performed to improve biological properties but seldom to increase corrosion resistance. This paper presents research results performed on such metallic materials modified by a variety of techniques: direct voltage anodic oxidation in the presence of fluorides, micro-arc oxidation (MAO), pulse laser treatment,...
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Allergic reactions as a defense of the organism to the influence of implants components made of stainless steel
PublicationDue to the increasing number of cases of hypersensitivity caused by direct contact with metals, as well as the increasing demand for implants in humans all ages numerous studies on the effects of the impact of implant components are being carried out. The paper presents the phenomenon of etiology of allergy in general terms and in relation to the biomaterials used in medicine. There have been characterized in terms of impact on...
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Wytwarzanie i modyfikacja powierzchni porowatych struktur tytanowych przeznaczonych na implanty
PublicationCelem pracy było wytworzenie stopu Ti-13Nb-13Zr z wykorzystaniem technologii selektywnego topienia laserowego (SLM) oraz jego biofunkcjonalizacja za pomocą utleniania mikrołukowego (MAO), a następnie określenie wpływu parametrów procesowych na właściwości otrzymanych materiałów pod kątem ich zastosowania na implanty. Oceniono wpływ napięcia, natężenia i czasu procesu MAO przeprowadzanego w elektrolicie zawierającym wapń i fosfor...
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Allergic Reactions as a Defense of the Organism to the Influence of Implants Components Made of Stainless Steel
PublicationDue to the increasing number of cases of hypersensitivity caused by direct contact with metals, as well as the increasing demand for implants in humans all ages numerous studies on the effects of the impact of implant components are being carried out. The paper presents the phenomenon of etiology of allergy in general terms and in relation to the biomaterials used in medicine. There have been characterized in terms of impact on...
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Materiały stosowane do wytwarzania implantów kości
PublicationMateriały stosowane do wytwarzania implantów kostnych muszą być biokompatybilne, nietoksyczne, bioaktywne oraz wykazywać odpowiednie właściwości mechaniczne, takie jak wytrzymałość na ściskanie, na zginanie oraz sztywność i twardość. Gama stosowanych materiałów jest bardzo szeroka, obejmuje metale, polimery, ceramikę oraz ich kompozyty. Każdy z tych materiałów ma swoje mocne i słabe strony. Praca stanowi przegląd materiałów stosowanych...
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Journal of Long-Term Effects of Medical Implants
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Vibrational excitation of acetylene by positron impact
PublicationVibrationally inelastic quantum calculations are carried out at low collision energies for the scattering of a beam of positrons off acetylene gaseous molecules. The normal mode analysis is assumed to be valid and the relative fluxes into the C–C and C–H symmetric vibrational modes are computed within a Body-Fixed (BF) formulation of the dynamics by solving the relevant vibrational Coupled Channels (VCC) equations. The clear dominance...
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The Impact of Decommissioning Cemeteries on the Urban Ecosystem
PublicationThe decommissioning of cemeteries noticeably transforms the urban fabric. The purpose of this article was to determine what impact the decommissioning of cemeteries has on the urban ecosystem. For this purpose, it was necessary to assess the value of cemeteries within the urban ecosystem. Cemeteries are classified as urban green spaces, and their value as preservers of flora and fauna in local ecosystems has been proven. However,...
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The impact of the Architecture on the Climate Change in Anthropocene
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Dissociation and fragmentation of furan by electron impact
PublicationDissociation and fragmentation processes that produce electronically excited atomic and molecular fragments, following electron impact excitation, have been studied in furan. The optical excitation technique has been employed over the electron incident energy range 15-95 eV. Formation of excited hydrogen atoms H(n) in the n = 4-10 states has been detected by observation of the Balmer series. The diatomic CH fragments are formed...
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Behaviour of steel columns under impact
PublicationOne of import issues related to the idea of sustainable society is the safety of civil engineering structures. The safety and reliability of steel structures under impact loading is among a number of different aims during the design state. The aim of this paper is to present the results of investigation focused on dynamic behaviour of steel columns under impact loading. Modal and transient dynamic analyses using Finite Element...
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Impact of interface heterogeneity on joint fracture
PublicationThe effects of heterogeneities (weak zones in particular) inadhesive joints and their importance on overall fracture propertiesare relatively unknown, but doubtlessly they may be crucial inmany applications. Using a model heterogeneous adhesive bond,represented by a given mixture of regions of strong and weakadhesion, we have studied the influence of interface variabilityon overall fracture energy (global energy release rate)....
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How much is Impact Factor worth?
PublicationThe purpose of this work is to present an aspect of counting citations, which is correlated to the Impact Factor, very important for journals in scientific communication, and provides information about the position of a scientific journal in a particular research area. Sometimes citations don’t count in a research output, e.g. if an article is published in a predatory journal. Those journals ...
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The impact of the French language on the English language
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The Impact of Terrorism on International Peace and Security
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Impact of air pollution on depression and suicide
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Hydraulic impact in a long gas-pipelines
PublicationPrzedstawiono model hydraulicznej linii długiej rurociągu gazowego. Obliczenia numeryczne dotyczą procesów dynamicznych w rurociągu gazowym przy nagłym zamknięciu zaworu na końcu rurociągu. Badano wpływ współczynnika izentropy przesyłanego gazu na wielkość uderzenia hydraulicznego oraz wpływ inercyjności zaworu na możliwość łagodzenia uderzenia hydraulicznego.
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The impact of knowledge risk management on sustainability
PublicationPurpose The purpose of this study is to examine the effect of knowledge risk management (KRM) on organizational sustainability and the role of innovativeness and agility in this relationship. Methodology The study presents the results of a quantitative survey performed among 179 professionals from knowledge-intensive organizations dealing with knowledge risks and their management in organizations. Data included in this study are...
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The Impact of Wind Generation on the Transmission System
PublicationThis article has been published to investigate the im-pact of the wind power on the power system- this is a system dependent issue that requires to perform sys-tem specific impact study. This paper discusses the impact of power flow, short circuit current, power quali-ty, voltage stability and the power system during the connection of a wind farm into transmission system. W referacie omówiono wpływ farm wiatrowych na pracę systemu...
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Chaotic Dynamics and Bifurcations in Impact Systems
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Impact of the confinement plate on the synthetic jet
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Electronic excitation of H2O by positron impact
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The impact of ICTs on women’s economic empowerment
PublicationIt is widely argued that ICTs enable the inclusion of low-skilled and traditionally marginalized groups, such as women, people with disabilities, and workers at the base of the pyramid (BoP), in the labor market. In this paper, we investigate the determinants of female participation in the labor market in developing countries with a focus on the impact of the use of ICTs on female labor force participation. We conduct a panel study...