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Physics in the News
Title: Carbon Nanotubes You Can Live With
URL: http://www.lbl.gov/enews/back-issues/selections/Jul-06/SABL-Select-coa
ted-CNTs.pdf
Date: 02/01/2007
Publication: Science@Berkeley Lab
Editor: Lynn Yarris
Extended Text:

Carbon nanotubes, or CNTs, are hollow wires of pure carbon about 50,000 times narrower than the finest human hair -- but stronger than steel. CNTs have enormous potential in a variety of biological applications, including medical diagnostics and treatments. There's a problem, however, and until now it has been what technologists call a "stopper." For reasons not entirely known, CNTs are cytotoxic -- contact with them kills cells.