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Ferromagnetic Nickel (Ii) Oxide (Nio) Nanoparticles: Biosynthesis, Characterization and Their Antibacterial Activities Publisher



Nazaripour E1 ; Mosazadeh F1 ; Rahimi SS2 ; Alijani HQ2 ; Isaei E1 ; Borhani F3 ; Iravani S4 ; Ghasemi M1 ; Akbarizadeh MR5 ; Azizi E6 ; Sharifi F7 ; Haghighat M8 ; Hadizadeh S6 ; Moghadam MD9 Show All Authors
Authors
  1. Nazaripour E1
  2. Mosazadeh F1
  3. Rahimi SS2
  4. Alijani HQ2
  5. Isaei E1
  6. Borhani F3
  7. Iravani S4
  8. Ghasemi M1
  9. Akbarizadeh MR5
  10. Azizi E6
  11. Sharifi F7
  12. Haghighat M8
  13. Hadizadeh S6
  14. Moghadam MD9
  15. Abdollahpouralitappeh M10, 11
  16. Khatami M1, 12

Source: Rendiconti Lincei Published:2022


Abstract

In this study, ferromagnetic nickel (II) oxide (NiO) nanopowders were synthesized using Rosemary extract in pH 8.3. The resulting nanoparticles were almost spherical and had a uniform size distribution. Then, their minimum inhibitory concentration (MIC) on Streptococcus mutans that can make tooth decay was evaluated. Oral streptococci cause damage to the tooth enamel by the fermentation of sucrose and production of lactic acid; additionally, this bacterium uses sucrose to make dental plaque. According to the data, the MIC of nanoparticles was ≥ 500 µg/ml; the presence of plant phenols in Rosemary extract improved the bacteriostatic properties of NiO nanoparticles, because of its antioxidant properties. Due to the suitable antibacterial properties of nickel nanoparticles, nickel composite alloys can be proposed in the manufacture of dental amalgam. Graphical abstract: Greener biosynthesis of ferromagnetic NiO nanopowders and their antibacterial activities are covered.[Figure not available: see fulltext.] © 2021, The Author(s), under exclusive licence to Accademia Nazionale dei Lincei.
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