title: A new sensitive radial diffusion method for microdetermination of alpha-amylase.
mesh_terms: D000362:Agar; D000681:Amylases / Q000032:analysis*; D000687:Amylopectin; D004058:Diffusion; D008832:Microchemistry / Q000379:methods; D009282:Naphthalenesulfonates; D000516:alpha-Amylases / Q000032:analysis*
chemical_list: D009282:Naphthalenesulfonates; C034678:reactone red 2B; D000362:Agar; D000687:Amylopectin; D000681:Amylases; D000516:alpha-Amylases