Sensitivity refers to the ability of the membrane to detect {HEAD ~ even small amounts} of {TAIL ~ bound or attached species} 
of
Sensitivity refers to the ability of the membrane to detect { HEAD ~ even small amounts } of { TAIL ~ bound or attached species }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL