Hepatic toxicological responses of SiO nanoparticle on Oreochromis mossambicus.

The present study was carried out to investigate the impact of various concentrations of SiO nanoparticles (SiO NP) on the commonly available freshwater fish Oreochromis mossambicus. The 96 h median lethal concentration (LC) of SiO NP was found to be between 270-280 ppm. This novel study has demonstrated histological alterations in the hepatic tissues and a dose-dependent depletion of tissue protein content and an elevated transaminases activity in the treated fish, which has facilitated understanding of the impact of SiO NP in O.

Haemato-immunological studies in ZnO and TiO nanoparticles exposed euryhaline fish, Oreochromis mossambicus.

The present study was aimed to analyze the effect of ZnO and TiO nanoparticles (NPs) on Haemato-immunological parameters in adult Tilapia, Oreochromis mossambicus. The nanoparticles size found as 47 nm and 30 nm for ZnO and TiO respectively. The acute toxicity (96 h) of ZnO (LC50: 100-110 ppm) and TiO (LC50: 80-90 ppm) NPs were identified by using probit analysis.

Toxicological effect of AlO nanoparticles on histoarchitecture of the freshwater fish Oreochromis mossambicus.

In the present study, freshwater fish Oreochromis mossambicus were exposed to sub lethal concentrations (120, 150 and 180 ppm) of Aluminium oxide nanoparticles (AlO NPs) for 96 h. Histological abnormalities were not observed in the organs of control fishes whereas severe damages and extensive architectural loss was found in the brain, gill, intestine, kidney and muscle tissues of treated fishes with more pronounced effects in 180 ppm. The results showed that the acute exposure to AlONPs altered the histoarchitecture in various fish tissues.

Histological alterations in the hepatic tissues of AlO nanoparticles exposed freshwater fish Oreochromis mossambicus.

Adverse effects of nanoparticles on aquatic environment and organisms have drawn much special attention to many researches. Aluminium oxide nanoparticles (AlO-NPs) have potential uses in varied fields and are seen entering into the ecosystem. Their potential toxicity to the freshwater fish is not much studied.