US Patent 7255871 - Biological cell conduit using nanotube mat

http://www.freepatentsonline.com/7255871.html

This patent from Stanford proposes a new application of nanotubes in growing and organizing biological cells in a vertical direction using nanotube mats. Claim 1 reads:

1. A device to direct growth of biological cells, comprising a nanotube mat wherein said nanotube mat comprises an array of conduits through the thickness of said nanotube mat, wherein said conduits are sized to accommodate said growth of at least one of said biological cells.