The transplant comprises cells having outer surfaces encapsulated by {HEAD ~ a matrix} comprising {TAIL ~ an effective amount} of polar amino acids 
comprising
The transplant comprises cells having outer surfaces encapsulated by { HEAD ~ a matrix } comprising { TAIL ~ an effective amount } of polar amino acids
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH