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However, excess oxygen can also be detrimental, leading to a condition called oxidative stress

The green or blue-green light was used to selectively stimulate rods (95% of all photoreceptors are rods) rather than cones, because the sensations aroused by rod stimulation are less intrusive and tend to fade to insignificance as patients adapt to a low background luminance

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Saba CF (2017): Vaccine-associated feline sarcoma: current perspectives

DNA methylation, imprinting and cancer

Additionally, PAHs, such as benzo[a]pyrene, are oxidized in the liver by CYP1A1 and CYP1B1 to form epoxides, which are subsequently hydrolyzed by epoxide hydrolase (EH) into highly reactive diol epoxides (e.g., BPDE), thereby driving the molecular mechanisms of bladder cancer (Thier et al., 2003