Review Article
Antimicrobial Activity of Cerium Oxide Nanoparticles on Opportunistic Microorganisms: A Systematic Review
Table 2
Recent studies of antimicrobial activity of CeNP against Staphylococcus aureus.
| S. aureus strains | Concentration (mg/mL) | Microbiological technique | Result | |
| 8325-4 CSGR | 0.017 | CFU count | No significant sensitivity | [7] | 0.17 | 1.53 ± 0.07 1 g CFU/mL | 1.72 | No significant sensitivity |
| ATCC (number ni) | 1.37 | Time and kill | Inhibition ~40% | [15] | 2.58–3.44 | Inhibition > 50% | 1.37; 2.58 and 5.16 | Agar diffusion | Formation of inhibition zone not quantified |
| Clinic urinary tract infection | 0.05 | Agar diffusion | 8.00 ± 0.24 mm | [35] | - | Broth microdilution | Not detected |
| ni | Ni (5 mL colloidal solution) | Agar diffusion | 17 mm | [13] |
| ni | 10 | Agar diffusion | 0.0 mm | [21] | 50 | ~3.33 mm | 100 | 5.33 mm |
| MSSA ATCC 29213 | - | Macrodilution broth | 50 ± 20 µg/mL (planktonic culture) | 180 ± 80 µg/mL (biofilm) | [34] | MRSA ATCC 43300 | - | 70 ± 0.0 µg/mL (planktonic culture) | 180 ± 80 µg/mL (biofilm) |
| NCIM-5022 | 10 (500 µg/50 µL) | Agar diffusion | 1.67 ± 0.33 mm | [22] | 10 (1000 µg/100 µL) | 3.33 ± 0.67 mm |
| NCIM-5022 | 10 | Agar diffusion | 0.0 mm | [30] | 0.2 and 0.4 | Diluted in broth | No inhibition |
| NCIM-5022 | 10 (500 μg/50 μL) | Agar diffusion | 0.53 ± 0.12 mm | [17] | 10 (1000 μg/100 μL) | 1.47 ± 0.03 mm |
| Clinical strain | ni (25 µL of solution) | Agar diffusion | 5 mm | [14] |
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CSGR: clinical strain gentamycin-resistant; /disc; Ni: not identified in the paper; MRSA: methicillin-resistant Staphylococcus aureus; MSSA: methicillin-sensitive Staphylococcus aureus; CFU: colony forming unit; in chronological order. Source: original source. |