Finally, {HEAD ~ the bound photosensitizer} may be used to oxidize {TAIL ~ undesirable oxidizable compounds} present in a hydrocarbon or aqueous fraction 
used to oxidize
Finally , { HEAD ~ the bound photosensitizer } may be used to oxidize { TAIL ~ undesirable oxidizable compounds } present in a hydrocarbon or aqueous fraction
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH