Measurement of erythrocte-Zn-protoporphyrin with a haematofluorimeter on blood samples from eighty-four lead-exposed individuals has been compared with a fluorimetric determination of the extracted porphyrins. The results agreed well, and the interference from bilirubin and unchelated protoporphyrin was low. An exponential increase in erythrocyte protoporphyrin and a linear decrease in blood haemoglobin with increased blood lead was found in seventy-nine males with occupational lead exposure. The haematofluorimeter is recommended as a useful tool in screening for lead poisoning.
Sources of variation in fluorometry of zinc protoporphyrin in blood. by Granjean P, Lintrup J Key terms: blood; fluorometry; letter to the editor; variation; zinc protoporphyrin This article in PubMed: www.ncbi.nlm.nih.gov/pubmed/7347917
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