title: Submicrogram serum zinc quantification with solubilized 1-(2-pyridylazo)2-naphtol: a viable alternative to atomic absorption spectrometry.
mesh_terms: D001391:Azo Compounds; D001665:Binding Sites; D003124:Colorimetry; D007202:Indicators and Reagents; D008024:Ligands; D009284:Naphthols; D011725:Pyridines; D013054:Spectrophotometry, Atomic; D015032:Zinc / Q000097:blood*
chemical_list: D001391:Azo Compounds; D007202:Indicators and Reagents; D008024:Ligands; D009284:Naphthols; D011725:Pyridines; D015032:Zinc