Introduction Furans (also known as oxole) constitute a valuable type of heterocyclic compound with a five-membered structure, which is a conjugated oxygen-containing ring consisting four carbon atoms and one oxygen atom. They are widely abundant in natural substances especially in the pine tar, numerous biologically active compounds have been demonstrated that the furan moiety is the major...

Alcian Blue is any member of the family of multivalent basic dyes, of which Alcian Blue 8G has historically been the most common and reliable member. It is used to stain acidic polysaccharides, such as glycosaminoglycans in cartilage and other body structures, certain types of mucopolysaccharides, sialylated glycans of cells, and the like. For many of these targets, it is one of the most...