Abstract
Gel-filtration chromatography was combined with affinity chromatography (for albumin) and electrothermal atomic-absorption spectrophotometry to investigate the distribution of zinc amongst normal human serum globulins. Most of the zinc associated with serum globulins appeared to be bound to α2-macroglobulin, and the observed zinc content of α2-macroglobulin was in very good agreement with that found using more complex techniques. No zinc was found in association with transferrin and the recovery of globulin-bound zinc was quantitative, 104%.
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