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