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Bonding and bio-properties of hybrid laser/magnetron Cr-enriched

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21460%2F16%3A00232362" target="_blank" >RIV/68407700:21460/16:00232362 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1016/j.msec.2015.09.006" target="_blank" >http://dx.doi.org/10.1016/j.msec.2015.09.006</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.msec.2015.09.006" target="_blank" >10.1016/j.msec.2015.09.006</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Bonding and bio-properties of hybrid laser/magnetron Cr-enriched

  • Original language description

    Chromium-enriched diamond-like carbon (DLC) layers were prepared by a hybrid technology using a combination of pulsed laser deposition (PLD) and magnetron sputtering. XRD revealed no chromium peaks, indicating that the layers are mostly amorphous. Carbon (sp2 and sp3 bonds) and chromium bonds were determined by XPS from C 1s, O 1s, and Cr 2p photoelectron peaks. Depending on the deposition conditions, the concentration of Cr in DLC layers moved from zero to 10 at.% for as-received sample surfaces, and to about 31 at.% after mild sputter-cleaning by argon ion cluster beam. It should be noted that the most stable Cr3 + bonding state is in Cr2O3 and Cr(OH)3, and that there is the toxic Cr6 + state in CrO3. The surface content of hexavalent chromium in the Cr 2p3/2 spectra is rather low, but discernible. The population density of Saos-2 cells was the highest in samples containing higher concentrations of chromium 7.7 and 10 at.%. This means that higher concentrations of chromium supported the cell adhesion and proliferation. In addition, as revealed by a LIVE/DEAD viability/cytotoxicity kit, the cells on all Cr-containing samples maintained high viability (96 to 99%) on days 1 and 3 after seeding. However, this seemingly positive cell behavior could be associated with the risk of dedifferentiation and oncogenic transformation of cells.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BH - Optics, masers and lasers

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2016

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Materials Science and Engineering C, Biomimetic and Supramolecular Systems

  • ISSN

    0928-4931

  • e-ISSN

  • Volume of the periodical

    58

  • Issue of the periodical within the volume

    58

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    8

  • Pages from-to

    1217-1224

  • UT code for WoS article

    000364247500145

  • EID of the result in the Scopus database

    2-s2.0-84943563493