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    Wyświetlanie 1-8 z 8
    Tytuł:
    Evaluation of corrosion resistance of magnetron sputtered doped DLC coatings with use of salt spray technique
    Autorzy:
    Jastrzębski, K.
    Paradowska, J.
    Jastrzębska, A.
    Bociąga, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/286076.pdf
    Data publikacji:
    2016
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
    Tematy:
    implants
    corrosion
    DLC coatings
    Źródło:
    Engineering of Biomaterials; 2016, 19, 138; 104
    1429-7248
    Pojawia się w:
    Engineering of Biomaterials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Investigation of dependencies between printing parameters in additive manufacturing and properties of materials used for IT
    Autorzy:
    Bartniak, M.
    Przybyszewska, K.
    Sobczak, K.
    Bociąga, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/284111.pdf
    Data publikacji:
    2018
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
    Tematy:
    bioprinting
    hydrogels
    scaffolds
    Źródło:
    Engineering of Biomaterials; 2018, 21, 148; 94
    1429-7248
    Pojawia się w:
    Engineering of Biomaterials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    DLC coating doped by specified elements as a biomaterial designed for individual patient needs
    Autorzy:
    Bociąga, D.
    Szymański, W.
    Jakubowski, W.
    Komorowski, P.
    Niedzielski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/284956.pdf
    Data publikacji:
    2013
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
    Tematy:
    carbon coating
    doped DLC
    biomaterial
    biocompatibility
    implant
    Opis:
    Currently, there are more and more new materials (nanomaterials) proposed for biological and medical applications. They are, among other things, the effect of surface modification. One of the most frequently used techniques, fairly widespread, is plasmo-chemical method of diamond-like carbon (DLC) coating fabrication. There is many alterations of them, nevertheless all are characterized by short duration of the process and its economics. The final result does not require additional finishing treatments and the required coating properties can be controlled and obtained by selecting appropriate process parameters. Good mechanical and tribological properties, high corrosion resistance and its tolerance by biological systems have been documented in the literature. However, given the very wide range of applications of biomaterials found over time that the properties of carbon coatings are not always sufficient. The research conducting by scientific centres around the world have shown, however, that surface properties can be controlled by introducing specified elements into the DLC layer. Each of these added elements causes some properties change. Taking into consideration that we are dealing with biomaterials – the materials which are used in very harsh and demanding environment of a living organism, which also have a strong intra-individual variability, the solution in the form of material designed adequately to the needs of the individual patient is even more attractive and desirable. The DLC coatings doped by silver fulfilling constitute an innovative materials for biomedical application and are the subject of our investigations.
    Źródło:
    Engineering of Biomaterials; 2013, 16, no. 122-123 spec. iss.; 8-9
    1429-7248
    Pojawia się w:
    Engineering of Biomaterials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Biological evaluation and surface properties of Ti-DLC coatings deposited by magnetron sputtering
    Autorzy:
    Olejnik, A
    Sobczyk-Guzenda, A.
    Świątek, L.
    Jastrzębski, K.
    Bociąga, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/285544.pdf
    Data publikacji:
    2016
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
    Tematy:
    DLC coatings
    magnetron sputtering
    implants
    Opis:
    During the last few decades, a growing demand for medical implants may be observed on the market. This is a consequence of both the increasing number of people suffering from disabilities as well as technological development. As a result of growing number of trauma injuries, orthopaedic and bone implants are one of the branches of the medical device industry showing the fastest growth opportunities. However, the commonly applied metallic implants do not exhibit total chemical stability in human body environment and hence, possess relatively poor surface properties [1]. For that reason, even the corrosion resistant metals may release degradation products and cause adverse biological response1. Consequently, surface modifications of metallic implants which enhance the biological response of the human body towards the surface of the implant are recently gaining a lot of interest. One of the most extensively studied solutions include the application of diamond-like carbon (DLC) coatings which exhibit a combination of highly desirable properties in the context of biomedical applications [2]. Furthermore, the properties of DLC coatings, such as cell behaviour and body reaction towards its surface, may be further improved by doping with various elements [3]. Therefore, the modified DLC coatings are nowadays extensively researched in terms of their possible medical applications. In the case of orthopaedic implants the enhancement of the osseointegration process is highly desirable in order to assure the proper bone-healing, what according to the literature may be achieved by the addition of titanium (Ti). The incorporation of Ti into the DLC matrix does not only promote the bone marrow cells proliferation, but also simultaneously reduces the activity of the osteoclast-like cells as indicated by Shroeder et al. [4]. Similarly, also Thorwarth et al. demonstrated that carbon coatings containing TiO exhibit promising results concerning the proliferation and differentiation of human osteoblasts [5]. Nevertheless, in spite of the numerous studies considering the biological behaviour of Ti-incorporated DLC coatings, there is lack of conclusive reports considering the biological applications of coatings deposited by a magnetron sputtering technique. Taking this into consideration, a complex biological evaluation of Ti-DLC coatings followed by their surface characteristics was performed, since surface properties have a direct role in different post-implantation reactions including protein adsorption and cell proliferation [1]. The examined coatings were deposited on two commonly applied metallic biomaterials (AISI 316 LVM steel and Ti6Al7Nb alloy) using a magnetron sputtering technique. The surface characteristics of the deposited Ti-DLC coatings included the analysis of surface morphology (SEM), chemical composition and structure (XPS, FTIR) as well as surface wettability and surface free energy (sessile drop technique and Owens-Wendt’s model). The biological assessment of the deposited coatings was based on two complementary cell proliferation and viability assays (LIVE/DEAD and XTT test) performed with the use of two different cell lines, i.e. endothelial cells line EA.hy926 and osteoblast-like cells line Saos-2. The obtained results allowed to check the influence of titanium on the biological response of two different cell lines towards the Ti-DLC coatings deposited using magnetron sputtering method as well as to correlate the obtained results with the surface properties of the investigated coatings.
    Źródło:
    Engineering of Biomaterials; 2016, 19, 138; 105
    1429-7248
    Pojawia się w:
    Engineering of Biomaterials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    3D bioprinting – determination of hydrogel bioinks properties for a printer with dedicated construction
    Autorzy:
    Bociąga, D.
    Grabarczyk, J.
    Sobczyk-Guzenda, A.
    Bartniak, M.
    Przybyszewska, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/285589.pdf
    Data publikacji:
    2018
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
    Tematy:
    hydrogels
    biofabrication technology
    bioinks
    Źródło:
    Engineering of Biomaterials; 2018, 21, 148; 90
    1429-7248
    Pojawia się w:
    Engineering of Biomaterials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of mechanical and biological properties of sodium alginate/gelatine hydrogels dedicated for bioprinting prepared with the use of various solvents
    Autorzy:
    Przybyszewska, K.
    Bartniak, M.
    Sobczyk-Guzenda, A.
    Grabarczyk, J.
    Bociąga, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/286245.pdf
    Data publikacji:
    2018
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
    Tematy:
    hydrogels
    bioprinting
    biological properties
    Źródło:
    Engineering of Biomaterials; 2018, 21, 148; 91
    1429-7248
    Pojawia się w:
    Engineering of Biomaterials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mechanical and tribological properties of A-C:H/Ti coatings doped by silver using ion implantation and magnetron sputtering methods : abstract
    Autorzy:
    Szymański, W.
    Kołodziejczyk, L.
    Batory, D.
    Czerniak-Reczulska, M.
    Bociaga, D.
    Rajchel, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/286086.pdf
    Data publikacji:
    2013
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
    Tematy:
    implantation
    magnetron spputering
    tribological properties
    Opis:
    Due to favorable mechanical, tribological and biomedical properties the carbon coatings are of interest of many branches of the industry [1]. Growing interest in Ag doped DLC coatings is observed within the space of the last several years. Both, well known antibacterial properties [2] of silver as well as a good biocompatibility [3] of carbon coatings constitute the outstanding solution for a variety of applications, especially for medical implants. The aim of this study was the evaluation of influence of silver onto the mechanical and tribological properties of nanocomposite DLC coatings. Carbon coatings were produced using a hybrid RFPACVD/MS method and silver ions were incorporated into carbon matrix. The processes consist of followed stages: synthesis of nanocomposite carbon (CVD) doped titanium coatings (PVD)[4] and next stage carbon (CVD) and silver deposition (PVD)or Ag ion implantation into carbon coating. Carbon layers synthesis was performed with use of the classic RF PACVD process in methane atmosphere whereas as the titanium ions source the pulsed magnetron sputtering (MS) process was applied. Second stage was performed in the same reaction chamber but the PVD process was carried out using the silver cathode. The ion implantation process was carried out with the use of silver ions with energy of 15 keV. In order to determine the influence of silver ion implantation process onto overall physiochemical properties of carbon coatings four ion doses of 2,4,7 and 10×1016Ag+/cm2 were applied. Due to application of the gradient of chemical composition of Ti–C it is possible to manufacture thick and well adherent carbon layers with a very good mechanical, tribological parameters and corrosion resistive. Application of silver as a doping material allowed modification of the mechanical and biological properties of manufactured layers depending on the silver amount (C:Ag ratio).
    Źródło:
    Engineering of Biomaterials; 2013, 16, no. 122-123 spec. iss.; 2
    1429-7248
    Pojawia się w:
    Engineering of Biomaterials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Control of the biological response to metallic biomaterials through application of the DLC coatings with dopants
    Autorzy:
    Bociąga, D.
    Olejnik, A.
    Jastrzębski, K.
    Jędrzejczak, A.
    Świątek, L.
    Grabarczyk, J.
    Sobczyk-Guzenda, A.
    Kamińska, M.
    Jakubowski, W.
    Komorowski, P.
    Niedzielski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/285750.pdf
    Data publikacji:
    2016
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
    Tematy:
    implants
    biomaterials
    dopants
    Źródło:
    Engineering of Biomaterials; 2016, 19, 138; 94
    1429-7248
    Pojawia się w:
    Engineering of Biomaterials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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