The oligonucleotides have a sequence complementary to {HEAD ~ a second portion} of the sequence of the nucleic acid, and the contacting takes {TAIL ~ place} under conditions effective to allow hybridization of the oligonucleotides on the nanoparticles with the nucleic acid 
The oligonucleotides have a sequence complementary to { HEAD ~ a second portion } of the sequence of the nucleic acid , and the contacting takes { TAIL ~ place } under conditions effective to allow hybridization of the oligonucleotides on the nanoparticles with the nucleic acid
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH