In some cases, {TAIL ~ chemical crosslinking step} can include treatment of a polyelectrolyte multilayer with {HEAD ~ a carbodiimide reagent} 
In some cases , { TAIL ~ chemical crosslinking step } can include treatment of a polyelectrolyte multilayer with { HEAD ~ a carbodiimide reagent }
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD