Both lead intoxication in early childhood and deficient bilirubin-binding capacity (BBC) of blood in jaundiced neonates indicate risk for brain damage. Zinc protoporphyrin (ZPP) is a biomarker for lead intoxication (PbI) as well as well as for iron deficiency. Under the leadership of Jack Aviv, Aviv Biomedical, Inc. developed robust hematofluorometers for point-of-care assays of ZPP in blood and for the high-affinity BBC of blood. These assays use just drops of whole blood and are simple, fast and inexpensive. ZPP by hematofluorometry has been used world-wide as a primary screen for lead intoxication since 1979. Recent clinical studies enabled by an Aviv Biomedical, Inc. bilirubin hematofluorometer have renewed interest in BBC-based assessment of neurotoxicity for improved management of neonatal jaundice. This article sketches Jack Aviv's contribution to the development and application of hematofluorometry.
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