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Effect of LPS on Glutathione Peroxidase (GPx) in 24 hpf zebrafish embryos. Embryos were exposed to cyanobacterial and heterotrophic bacterial LPS at concentrations of 250 µg/L for 24 h. An asterisk denotes significant difference from the control (* for p < 0.05 and ** for p < 0.01). Columns represent the mean of six measurements. Error bars represent the standard deviation from the mean.
