Another object of the invention is to provide an assay vehicle as {HEAD ~ part} of {TAIL ~ a simple and inexpensive assay system} that does not require a laboratory environment or equipment 
Another object of the invention is to provide an assay vehicle as { HEAD ~ part } of { TAIL ~ a simple and inexpensive assay system } that does not require a laboratory environment or equipment
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH