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The effects of iron oxide nanoparticles on antioxidant capacity and response to oxidative stress in Mozambique tilapia (Oreochromis mossambicus, Peters 1852)

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Figure 1

X-ray diffraction (XRD) image showing XRD peaks corresponding to IONPs with a particle size of 15.65 nm (A) and the transmission electron microscopy (TEM) image showing the morphology of IONP aggregates dispersed in double distilled water. Scale bar = 100 nm
X-ray diffraction (XRD) image showing XRD peaks corresponding to IONPs with a particle size of 15.65 nm (A) and the transmission electron microscopy (TEM) image showing the morphology of IONP aggregates dispersed in double distilled water. Scale bar = 100 nm

Figure 2

The effect of iron oxide nanoparticles (IONPs; 15 mg/L) on mean (±SD) activity of superoxide dismutase (SOD) in the fish Mozambique tilapia (Oreochromis mossambicus, Peters 1852) by groups (N=20 each). *P<0.05 vs control
The effect of iron oxide nanoparticles (IONPs; 15 mg/L) on mean (±SD) activity of superoxide dismutase (SOD) in the fish Mozambique tilapia (Oreochromis mossambicus, Peters 1852) by groups (N=20 each). *P<0.05 vs control

Figure 3

The effect of iron oxide nanoparticles (IONPs; 15 mg/L) on mean (±SD) activity of catalase (CAT) in the fish Mozambique tilapia (Oreochromis mossambicus, Peters 1852) by groups (N=20 each). *P<0.05 vs control
The effect of iron oxide nanoparticles (IONPs; 15 mg/L) on mean (±SD) activity of catalase (CAT) in the fish Mozambique tilapia (Oreochromis mossambicus, Peters 1852) by groups (N=20 each). *P<0.05 vs control

Figure 4

The effect of iron oxide nanoparticles (IONPs; 15 mg/L) on mean (±SD) activity of glutathione reductase (GR) in the fish Mozambique tilapia (Oreochromis mossambicus, Peters 1852) by groups (N=20 each). *P<0.05 vs control
The effect of iron oxide nanoparticles (IONPs; 15 mg/L) on mean (±SD) activity of glutathione reductase (GR) in the fish Mozambique tilapia (Oreochromis mossambicus, Peters 1852) by groups (N=20 each). *P<0.05 vs control

Figure 5

The effect of iron oxide nanoparticles (IONPs; 15 mg/L) on mean (±SD) activity of glutathione peroxidase (GPO) in the fish Mozambique tilapia (Oreochromis mossambicus, Peters 1852) by groups (N=20 each). *P<0.05 vs control
The effect of iron oxide nanoparticles (IONPs; 15 mg/L) on mean (±SD) activity of glutathione peroxidase (GPO) in the fish Mozambique tilapia (Oreochromis mossambicus, Peters 1852) by groups (N=20 each). *P<0.05 vs control

Figure 6

The effect of iron oxide nanoparticles (IONPs; 15 mg/L) on mean (±SD) mean (±SD) hydrogen peroxide levels in the fish Mozambique tilapia (Oreochromis mossambicus, Peters 1852) by groups (N=20 each). *P<0.05 vs control
The effect of iron oxide nanoparticles (IONPs; 15 mg/L) on mean (±SD) mean (±SD) hydrogen peroxide levels in the fish Mozambique tilapia (Oreochromis mossambicus, Peters 1852) by groups (N=20 each). *P<0.05 vs control

Figure 7

The effect of iron oxide nanoparticles (IONPs; 15 mg/L) on mean (±SD) lipid peroxidation (LPO) in the fish Mozambique tilapia (Oreochromis mossambicus, Peters 1852) by groups (N=20 each). *P<0.05 vs control
The effect of iron oxide nanoparticles (IONPs; 15 mg/L) on mean (±SD) lipid peroxidation (LPO) in the fish Mozambique tilapia (Oreochromis mossambicus, Peters 1852) by groups (N=20 each). *P<0.05 vs control

Figure 8

The effect of iron oxide nanoparticles (IONPs; 15 mg/L) on mean (±SD) activity of alkaline phosphatase (ALP) in the fish Mozambique tilapia (Oreochromis mossambicus, Peters 1852) by groups (N=20 each). *P<0.05 vs control
The effect of iron oxide nanoparticles (IONPs; 15 mg/L) on mean (±SD) activity of alkaline phosphatase (ALP) in the fish Mozambique tilapia (Oreochromis mossambicus, Peters 1852) by groups (N=20 each). *P<0.05 vs control

The Effect of iron oxide nanoparticles (IONPs; 15 mg/L) on mean (±SD) body and tissue weights of the fish Mozambique tilapia (Oreochromis mossambicus, Peters 1852) by groups (N=20 each)

Parameters IONPs (15 mg/L) Depuration group (60 days)
Control 1 day 3 days 4 days 15 days 30 days 60 days
Body weight (g) 6.71±0.09 6.25±0.40 6.31±0.35 6.51±0.26 6.59±0.38 6.47±0.38 6.63±0.40 6.99±0.13
Gill weight (mg) 143±11.9 146±3.25 152±3.88 152±1.19 159±3.20 161±2.98* 172±1.41* 186±1.50*
Hepatosomatic index (%) 13.53±1.86 13.78±1.75 13.22±1.06 12.06±1.42 11.98±1.53 11.90±1.75* 9.84±1.26* 13.22±0.48
Brain weight (mg) 16.5±1.81 16.6±2.23 16.3±3.56 15.2±1.61 15.1±0.90 15.3±2.83 15.0±1.66 19.5±1.08

Mean (±SD) Bioaccumulation of iron oxide nanoparticles (IONPs; 15 mg/L) in the gill, liver, and brain tissues of the fish Mozambique tilapia (Oreochromis mossambicus, Peters 1852) exposed for 4 and 60 days, and fish followed up for 60 days after 60-day exposure had stopped (depuration period) (N=20 per group)

Concentration of IONPs in water (mg/L) Exposure duration Tissues IONP tissue concentrations (µg/mg) BAF
0 (Control) 60 days Gill, liver, and brain Below detection limit Below detection limit
15 4 days Gill 0.53±.017 0.04
Liver 0.19±0.01 0.01
Brain 0.15±0.01 0.01
60 days Gill 7.87±0.26 0.53
Liver 6.25±0.13 0.42
Brain 1.86±0.10 0.13
Depuration (60 days) Gill 2.20±0.08 0.15
Liver 1.90±0.08 0.13
Brain 0.92±0.13 0.06
eISSN:
1848-6312
Langues:
Anglais, Slovenian
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4 fois par an
Sujets de la revue:
Medicine, Basic Medical Science, other