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Author: Admin | 2025-04-27
Coli,P. aeruginosa,Serratia marcescensS. aureus-High antibacterial activity against both gram-negative (E. coli, P. aeruginosa and Serratia marcescens) and gram-positive (S. aureus) bacteria.[186]CeO2CeCl3Leaf extract of Gloriosa superba L.5E. coli, S. aureus, S. dysenteriae, P. aeruginosa, P. vulgaris, K. pneumonia, S. pneumoniae-At 100 mg CeO2 NPs showed the most significant effect on the zone inhibition of S. aureus. P. aeruginosa, P. vulgaris, K. pneumonia, S. pneumonia and E. coli showed similar inhibition zone with 50 mg NPs;-Gram-positive bacteria are relatively more susceptible to NPs than gram-negative.[187]NiONiO(CH3COO)2.4H2OCitrus fruit juice of Limoinia acidissima Chrism20G+ (S. aureus) and G− (P. aeruginosa, E. coli, K. pneumonia) bacteria-The highest was the bactericidal activity against E. coli followed by S. aureus;-Less antibacterial activity was recorded against K. pneumonia and P. aeruginosa.[188]Biosynthesis of MONPs from bacteria, fungi, algae and natural compoundsZnOZnO powderCulture of bacteria Aeromonas hydrophila42–64Aeromonas hydrophila, E. coli, S. aureus, P. aeruginosa, Enterococcus faecalis, Streptococcus pyogenes;Aspergillus flavus, A. niger, C. albicans-The maximum zone of inhibition was observed in ZnO NPs against P. aeroninosa and A. flavus;-A. hydrophila, E. coli, E. feacalis and C. albicans showed minimum inhibition concentration at 1.2, 1.2, 1.4 and 0.9 μg mL−1 for the MONPs.[189]ZnOZn(NO3)2Culture of Bacillus megaterium45–150Helicobacter pylori-ZnO NPs exhibit high biocompatibility against hMSC and proved to be potentially safe in mammalian cells;-Anti-H. pylori dosage of ZnO NPs was safe to human mesenchymal stem cells (hMSC) and could effectively be used as a nano-antibiotic.[190]TiO2TiO(OH)2Mycelium of Aspergillus flavus62–74S. aureus, E. coli, P. aeruginosa, Klebsiella pneumoniae, B. subtilis-The MIC of TiO2 NPs was 40 μg mL−1 for S. aureus, 40 μg mL−1 for E. coli, 80 μg mL−1 for P. aeruginosa, 70 μg mL−1 for K. pneumoniae and 45 μg mL−1 for B. subtilis.[191]ZnOZnCl2A fungal isolate of Aspergillus niger41–75S. aureus, E. coli-The effects of ZnO NPs against gram-positive were higher than that against gram-negative bacteria;-The inhibitory effect increased with concentration;-The antibacterial activity of ZnO NPs was comparable to that of conventional antibiotic ciprofloxacin (0.5 mg mL−1).[192]ZnOZn(NO3)2Culture medium of Aspergillus niger84–91 S. aureus, E. coli-Impregnated fabrics with ZnO NPs showed zones of inhibition around 12 and 10 mm against S. aureus and E. coli, respectively.[193]CuO and Cu2OCuSO4Algae extract of brown algae Bufurcaria bufurcata5–45Enterobacter aerogenes, S. aureus-The radial diameters of the inhibition zone of E. aerogenes and S. aureus were 14 and 16, respectively, therefore, gram-negative seemed to be more resistant to CuO NPs than gram-positive bacteria;-Significant antibacterial activity against both gram classes bacteria.[194]CuOCu(O2CCH3)2. H2OAlgae extract of cyanobacteria
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