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