International Journal of Materials Science and Applications

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Volume 10, Issue 4, July 2021

  • Genotoxicity Induced by Cellular Uptake of Chitosan Nanoparticles in Human Dental Pulp Cells

    Rami Alhomrany, Chang Zhang, Laisheng Chou

    Issue: Volume 10, Issue 4, July 2021
    Pages: 79-86
    Received: 4 June 2021
    Accepted: 21 June 2021
    Published: 15 July 2021
    DOI: 10.11648/j.ijmsa.20211004.11
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    Abstract: Objective: Recent in vitro studies have shown that chitosan nanoparticles in several root canal sealers, intracanal medicament, and irrigation solutions could enhance the antimicrobial activity. However, the nanotoxicity of chitosan has not been fully studied. The aim of this study was to evaluate cellular uptake and genotoxicity of various sizes a... Show More
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  • Improvement of the System of Diagnostics of Metal Structures and Mechanisms of Foundry Cranes

    Pеnchuk Valentin Alekseevich, Sidorov Vladimir Anatolyevich

    Issue: Volume 10, Issue 4, July 2021
    Pages: 87-93
    Received: 17 July 2021
    Accepted: 2 August 2021
    Published: 10 September 2021
    DOI: 10.11648/j.ijmsa.20211004.12
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    Abstract: Periodic assessment of the technical condition of mechanisms and metal structures of foundry cranes is insufficient to ensure the reliability of the technogenic system of metallurgical production with long operating resources. Overviewing a crane as a set of rateresource elements with different recovery periods and regular control make it possible ... Show More
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