{HEAD ~ The antigen} or {TAIL ~ antibody} is mixed with a molten thermoplastic and formed into the solid phase substrate  
{ HEAD ~ The antigen } or { TAIL ~ antibody } is mixed with a molten thermoplastic and formed into the solid phase substrate
HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH