Reservoirs for fresh and waste media, including {HEAD ~ individual cocktails} of growth factors, are located next to the Chamber and maintained at 4° C. Small volume syringe pumps are used to deliver growth factors and base medium to user specified {TAIL ~ compositions}, and waste media is aspirated from wells using the same pipette 
Reservoirs for fresh and waste media , including { HEAD ~ individual cocktails } of growth factors , are located next to the Chamber and maintained at 4 ° C. Small volume syringe pumps are used to deliver growth factors and base medium to user specified { TAIL ~ compositions } , and waste media is aspirated from wells using the same pipette
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