Such assays may be used to detect {TAIL ~ the presence} of or to quantitate the amount of the organic compound in a complex and varied immunological background such as {HEAD ~ a sample} of a biomass material 
Such assays may be used to detect { TAIL ~ the presence } of or to quantitate the amount of the organic compound in a complex and varied immunological background such as { HEAD ~ a sample } of a biomass material
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH