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