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