destroying the micells to recover {HEAD ~ a polymer nano particle} with {TAIL ~ a mean particle diameter} between 1 and 50 nm; and 
with
destroying the micells to recover { HEAD ~ a polymer nano particle } with { TAIL ~ a mean particle diameter } between 1 and 50 nm ; and
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH