{HEAD ~ A process} for providing elemental metals or metal oxides distributed on {TAIL ~ a carbon substrate} or self supported utilizing graphite oxide as a percursor 
{ HEAD ~ A process } for providing elemental metals or metal oxides distributed on { TAIL ~ a carbon substrate } or self supported utilizing graphite oxide as a percursor
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH