Psych's protagonist is a dog.
Phloxine B -LRB- commonly known simply as phloxine -RRB- is a water-soluble red dye used for coloring drugs and cosmetics in the United States and coloring food in Japan .. water-soluble. Solubility. dye. dye. drugs. drug. cosmetics. cosmetics. United States. United States. Japan. Japan. It is derived from fluorescein , but differs by the presence of four bromine atoms at positions 2 , 4 , 5 and 7 of the xanthene ring and four chlorine atoms in the carboxyphenyl ring .. fluorescein. fluorescein. bromine. bromine. xanthene. xanthene. chlorine. chlorine. carboxyphenyl. Phenyl group. It has an absorption maximum around 540 nm and an emission maximum around 564 nm .. absorption. Absorption ( electromagnetic radiation ). emission. Emission spectrum. Apart from industrial use , phloxine B has functions as an antimicrobial substance , viability dye and biological stain .. dye. dye. antimicrobial. antimicrobial. viability. viability assay. biological stain. staining. For example , it is used in hematoxylin-phloxine-saffron -LRB- HPS -RRB- staining to color the cytoplasm and connective tissue in shades of red .. HPS. HPS stain. cytoplasm. cytoplasm. connective tissue. connective tissue