Summary
A method for isolating 1-hydroxypyrene from urine is described. The presence of 1-hydroxypyrene in urine was identified by fluorescence excitation and emission scanning after HPLC-separation. 1-Hydroxypyrene could be detected in the urine of rats following oral administration of as little as 0.5 μg pyrene. The dose-dependence of 1-hydroxypyrene in urine was evident after a wide range of pyrene dosing. After therapeutical coal tar treatment of dermatological patients the enhanced excretion of 1-hydroxypyrene was highly significant. Employees of a creosote impregnating plant showed an excretion pattern of 1-hydroxypyrene which could be related to their work. 1-Hydroxypyrene in urine of non-exposed people was very low, but detectable. It is suggested that the method reported is suitable for the assessment of uptake of man to pyrene, a compound that is commonly present in work environments which are associated with pollution of polycyclic aromatic hydrocarbons.
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Jongeneelen, F.J., Anzion, R.B.M., Leijdekkers, CM. et al. 1-Hydroxypyrene in human urine after exposure to coal tar and a coal tar derived product. Int. Arch Occup Environ Heath 57, 47–55 (1985). https://doi.org/10.1007/BF00383545
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DOI: https://doi.org/10.1007/BF00383545