As used herein, an S— group bound to a metal surface is defined as including both a presence and {HEAD ~ an absence} of {TAIL ~ the thiol hydrogen} 
of
As used herein , an S — group bound to a metal surface is defined as including both a presence and { HEAD ~ an absence } of { TAIL ~ the thiol hydrogen }
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 REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL