An exemplary method involves {TAIL ~ detection} of {HEAD ~ single molecules} of fluorescent labels released from a nucleic acid during synthesis of an oligonucleotide 
An exemplary method involves { TAIL ~ detection } of { HEAD ~ single molecules } of fluorescent labels released from a nucleic acid during synthesis of an oligonucleotide
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH