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