The method includes inactivating endogenous enzyme activities using neutral organic solvents in {HEAD ~ conjunction} with {TAIL ~ a matrix} having minimal background noise  
with
The method includes inactivating endogenous enzyme activities using neutral organic solvents in { HEAD ~ conjunction } with { TAIL ~ a matrix } having minimal background noise
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH