Establishing baseline levels of elements in marine mammals through analysis of banked liver tissues
1997
Becker, P.R. | Mackey, E.A. | Demiralp, R. | Koster, B.J. | Wise, S.A.
Tissues from marine mammals of the United States are routinely banked in the National Biomonitoring Specimen Bank through collaboration between the National Institute of Standards and Technology, the National Marine Fisheries Service, the National Biological Service, and numerous other agencies and organizations. A major part of this specimen banking involves collections from marine mammals taken in Alaska Native subsistence hunts. Subsamples of liver tissues banked from these collections are routinely analyzed for 39 elements, using instrumental neuron activation analysis, supplemented with other analytical techniques. Excluding the potentially toxic trace elements (e.g., Hg and Cd) and a few essential elements (e.g., Cu, Se, and Zn), the published database on element concentrations in marine mammals has been limited. The program described here offers an opportunity for establishing baseline levels for a wide range of major, minor, and trace elements in marine mammals of the western Arctic and North Pacific oceans.
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