The percent of water soluble and water insoluble material was determined to be {TAIL ~ 38%} and {HEAD ~ 62%}, respectively 
The percent of water soluble and water insoluble material was determined to be { TAIL ~ 38 % } and { HEAD ~ 62 % } , respectively
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH