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