As an essential trace element, numerous studies on the biological functions and chemical species of selenium especially of selenoprotein have been carried out. Nuclear analysis and radioactive tracer technique are often imperative in this aspect, simply because of low Se concentration in the biological tissues. In this paper, the subcellular distribution of selenium in human liver was studied by several biochemical techniques combined with instrumental neutron activation analysis (INAA) and hydride generation-atomic fluorescence spectrophotometry (HG-AFS).
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