The fluorophore conjugated oligosaccharide is one embodiment derived from the O antigen chain of the cell wall lipopolysaccharide {HEAD ~ fraction} from bacteria, such as {TAIL ~ Gram negative bacteria}, having us O antigen chain 
The fluorophore conjugated oligosaccharide is one embodiment derived from the O antigen chain of the cell wall lipopolysaccharide { HEAD ~ fraction } from bacteria , such as { TAIL ~ Gram negative bacteria } , having us O antigen chain
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH