{TAIL ~ The carbodiimide} can promote the formation of crosslinks between carboxylate and amine groups of {HEAD ~ the polyelectrolytes} 
{ TAIL ~ The carbodiimide } can promote the formation of crosslinks between carboxylate and amine groups of { HEAD ~ the polyelectrolytes }
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD