Arginine, lysine, and {TAIL ~ glutamic acid} are preferably supplemented in {HEAD ~ the hydrogel matrix} 
Arginine , lysine , and { TAIL ~ glutamic acid } are preferably supplemented in { HEAD ~ the hydrogel matrix }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD