For example, {HEAD ~ the nanocrystals shape} can change towards {TAIL ~ oblate spheroids} for redder colors 
change towards
For example , { HEAD ~ the nanocrystals shape } can change towards { TAIL ~ oblate spheroids } for redder colors
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH