{TAIL ~ Such a collection} of {HEAD ~ particles} is sometimes referred to as being “monodisperse” 
{ TAIL ~ Such a collection } of { HEAD ~ particles } is sometimes referred to as being “ monodisperse ”
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH