{HEAD ~ The invention} provides fluorophore conjugated antigens comprising oligosaccharides derived from {TAIL ~ the lipopolysaccharide fraction} of a bacterial cell wall 
{ HEAD ~ The invention } provides fluorophore conjugated antigens comprising oligosaccharides derived from { TAIL ~ the lipopolysaccharide fraction } of a bacterial cell wall
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH