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Sintered and 3D-Printed Bulks of MgB2-Based Materials with Antimicrobial Properties.
Badica, Petre; Batalu, Nicolae Dan; Chifiriuc, Mariana Carmen; Burdusel, Mihail; Grigoroscuta, Mihai Alexandru; Aldica, Gheorghe Virgil; Pasuk, Iuliana; Kuncser, Andrei; Popa, Marcela; Agostino, Angelo; Operti, Lorenza; Padhi, Santanu Kumar; Bonino, Valentina; Truccato, Marco.
  • Badica P; National Institute of Materials Physics, 405A Atomistilor Street, 077125 Magurele, Romania.
  • Batalu ND; Faculty of Material Science and Engineering, University Politehnica of Bucharest, 313 Splaiul Independentei, 060042 Bucharest, Romania.
  • Chifiriuc MC; Faculty of Biology and The Research Institute of the University of Bucharest (ICUB), University of Bucharest, 91-95 Splaiul Independentei, 050095 Bucharest, Romania.
  • Burdusel M; National Institute of Materials Physics, 405A Atomistilor Street, 077125 Magurele, Romania.
  • Grigoroscuta MA; National Institute of Materials Physics, 405A Atomistilor Street, 077125 Magurele, Romania.
  • Aldica GV; National Institute of Materials Physics, 405A Atomistilor Street, 077125 Magurele, Romania.
  • Pasuk I; National Institute of Materials Physics, 405A Atomistilor Street, 077125 Magurele, Romania.
  • Kuncser A; National Institute of Materials Physics, 405A Atomistilor Street, 077125 Magurele, Romania.
  • Popa M; Faculty of Biology and The Research Institute of the University of Bucharest (ICUB), University of Bucharest, 91-95 Splaiul Independentei, 050095 Bucharest, Romania.
  • Agostino A; Physics and Chemistry Departments, University of Turin, 1-7 Via Pietro Giuria, 10125 Turin, Italy.
  • Operti L; Physics and Chemistry Departments, University of Turin, 1-7 Via Pietro Giuria, 10125 Turin, Italy.
  • Padhi SK; Physics and Chemistry Departments, University of Turin, 1-7 Via Pietro Giuria, 10125 Turin, Italy.
  • Bonino V; Physics and Chemistry Departments, University of Turin, 1-7 Via Pietro Giuria, 10125 Turin, Italy.
  • Truccato M; European Synchrotron Radiation Facility, 71 Avenue des Martyrs, 38000 Grenoble, France.
Molecules ; 26(19)2021 Oct 06.
Article in English | MEDLINE | ID: covidwho-1463769
ABSTRACT
Pristine high-density bulk disks of MgB2 with added hexagonal BN (10 wt.%) were prepared using spark plasma sintering. The BN-added samples are machinable by chipping them into desired geometries. Complex shapes of different sizes can also be obtained by the 3D printing of polylactic acid filaments embedded with MgB2 powder particles (10 wt.%). Our present work aims to assess antimicrobial activity quantified as viable cells (CFU/mL) vs. time of sintered and 3D-printed materials. In vitro antimicrobial tests were performed against the bacterial strains Escherichia coli ATCC 25922, Pseudomonas aeruginosa ATCC 27853, Staphylococcus aureus ATCC 25923, Enterococcus faecium DSM 13590, and Enterococcus faecalis ATCC 29212; and the yeast strain Candida parapsilosis ATCC 22019. The antimicrobial effects were found to depend on the tested samples and microbes, with E. faecium being the most resistant and E. coli the most susceptible.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Bacteria / Boron Compounds / Magnesium Compounds / Fungi / Anti-Infective Agents Language: English Journal subject: Biology Year: 2021 Document Type: Article Affiliation country: Molecules26196045

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Bacteria / Boron Compounds / Magnesium Compounds / Fungi / Anti-Infective Agents Language: English Journal subject: Biology Year: 2021 Document Type: Article Affiliation country: Molecules26196045