The nanoscale particles are capable of acting as an oxidant for the conversion of carbon monoxide to carbon dioxide and as a catalyst for {HEAD ~ the conversion} of carbon monoxide to {TAIL ~ carbon dioxide} 
to
The nanoscale particles are capable of acting as an oxidant for the conversion of carbon monoxide to carbon dioxide and as a catalyst for { HEAD ~ the conversion } of carbon monoxide to { TAIL ~ carbon dioxide }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL