Hygienic aspects of employment of old age group individuals in chemical industry
2003
: Due to the fact that a lot of pre-pension and pension-aged individuals are engaged in chemical industry, the age-specific features of lipid peroxidation (LPO) and antioxidative defense (AOD) were studied in an experiment on animals exposed to toluylene diisocyanate (TDI) at the levels of MAC and 1/2 MAC. The experimental findings support that decreased LPO and suppressed AOD occur with age which lower the efficiency of detoxification of chemicals in the body. A wave-shaped pattern of changes has been revealed in these systems in old (8.5-month) animals. At the beginning of exposure to TDI (within the first 2 weeks), there was an increase in LPO and AOD, then a reduction in their activity. Long-term exposure may bring about an impairment of adaptive mechanisms, which is suggested by the parameters characterizing the state of LPO and AOD after a loading test. The findings are indicative of the necessity of monitoring and correcting these parameters in old workers who are in contact with chemicals.
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