{HEAD ~ The method} includes encapsulating a single cell suspension of ES cells within {TAIL ~ an alginate polyelectrolyte microenvironment} 
{ HEAD ~ The method } includes encapsulating a single cell suspension of ES cells within { TAIL ~ an alginate polyelectrolyte microenvironment }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL