The polymers have a controlled degree of hydrophobicity with {HEAD ~ a corresponding controlled degree} of {TAIL ~ erosion} in an aqueous or a biological environment of use 
of
The polymers have a controlled degree of hydrophobicity with { HEAD ~ a corresponding controlled degree } of { TAIL ~ erosion } in an aqueous or a biological environment of use
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH