A typical single color preparation of nanoparticles has {HEAD ~ crystals} that are preferably of substantially identical size and {TAIL ~ shape} 
A typical single color preparation of nanoparticles has { HEAD ~ crystals } that are preferably of substantially identical size and { TAIL ~ shape }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH REL REL REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL