{HEAD ~ A sensor} is provided to detect {TAIL ~ the presence} of selected analytes and to identify when preselected parameters have been reached 
{ HEAD ~ A sensor } is provided to detect { TAIL ~ the presence } of selected analytes and to identify when preselected parameters have been reached
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH