title: Improved fluorometric assay of histamine: condensation with o-phthalaldehyde at-20 degreess C.
mesh_terms: D000447:Aldehydes; D005453:Fluorescence; D005470:Fluorometry / Q000379:methods; D006632:Histamine / Q000032:analysis*; D007202:Indicators and Reagents; D010795:Phthalic Acids / Q000031:analogs & derivatives*
chemical_list: D000447:Aldehydes; D007202:Indicators and Reagents; D010795:Phthalic Acids; D006632:Histamine