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