Kasten fluorescent periodic acid-Schiff stain

Kas·ten flu·o·res·cent per·i·od·ic a·cid-Schiff stain

(kahs'ten flōr-es'ĕnt pēr'ē-od'ik as'id shif stān)
A fluorescent modification of the periodic acid-Schiff stain for polysaccharides, which uses a Kasten fluorescent Schiff reagent.