BIOBRAIN CHIP. “The brain-on-a-chip project itself combines cellular neuroscience, tissue engineering and microfluidics. The chip aggregates cultured neurons, astrocytes, microglia and brain endothelial cells from rats on two micro-fabricated layers. A microfluidic pump was used to circulate nutrients or therapeutics across the vascular channels simulating blood flow”. (Draper Labs). ”
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http://semimd.com/blog/2012/11/15/how-to-make-a-brain-on-a-chip/