The invention finds {HEAD ~ use} for generating {TAIL ~ removable markers}, such as removable ink and removable tags for assays 
The invention finds { HEAD ~ use } for generating { TAIL ~ removable markers } , such as removable ink and removable tags for assays
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH