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