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