{HEAD ~ An organic inorganic hybrid material} comprising a metal oxide and {TAIL ~ a chelating ligand} is synthesized 
comprising
{ HEAD ~ An organic inorganic hybrid material } comprising a metal oxide and { TAIL ~ a chelating ligand } is synthesized
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH