{HEAD ~ The aldehyde functionality} on all surfaces provides for {TAIL ~ effective covalent bonding} to the membrane by amine containing materials 
provides for
{ HEAD ~ The aldehyde functionality } on all surfaces provides for { TAIL ~ effective covalent bonding } to the membrane by amine containing materials
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH