{HEAD ~ The label} may be removed from a polysaccharide substrate by contacting the substrate with a removal solution having low ionic strength, high pH or containing {TAIL ~ a chaotrophic agent} 
{ HEAD ~ The label } may be removed from a polysaccharide substrate by contacting the substrate with a removal solution having low ionic strength , high pH or containing { TAIL ~ a chaotrophic agent }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL