The method 1 wherein said {HEAD ~ at least one sterol} is {TAIL ~ cholesterol}, and the proportion of said sterol containing material based on the amount of said packing material is approximately 40 weight percent 
is
The method 1 wherein said { HEAD ~ at least one sterol } is { TAIL ~ cholesterol } , and the proportion of said sterol containing material based on the amount of said packing material is approximately 40 weight percent
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH