Serum levels of certain trace elements (Cu, Au, Mn) in healthy subjects (Part I).

In 95 healthy subjects of either sex the serum concentrations of Cu, Au, and Mn were determined by means of neutron activation analysis (NAA). It was found that copper concentration in the serum of healthy subjects increased with age up to 70 years of life. In subjects aged below 60 years a higher gold level was demonstrated in the serum than in the subjects aged above 60 years. Serum manganese level was higher in men than in women.