Next, the nucleic acid bound to the substrate is contacted with {HEAD ~ a first type} of {TAIL ~ nanoparticles} having oligonucleotides attached thereto 
of
Next , the nucleic acid bound to the substrate is contacted with { HEAD ~ a first type } of { TAIL ~ nanoparticles } having oligonucleotides attached thereto
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH