A method of detecting a complementary member of {TAIL ~ a specific binding pair} in {HEAD ~ a sample}, comprising: 
A method of detecting a complementary member of { TAIL ~ a specific binding pair } in { HEAD ~ a sample } , comprising :
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH