Bone cell proliferation on carbon nanotubes.

Zanello, Laura P; Zhao, Bin; Hu, Hui; Haddon, Robert C · Nano Lett · 2006

basic_science · Level V

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Abstract

We explored the use of carbon nanotubes (CNTs) as suitable scaffold materials for osteoblast proliferation and bone formation. With the aim of controlling cell growth, osteosarcoma ROS 17/2.8 cells were cultured on chemically modified single-walled (SW) and multiwalled (MW) CNTs. CNTs carrying neutral electric charge sustained the highest cell growth and production of plate-shaped crystals. There was a dramatic change in cell morphology in osteoblasts cultured on MWNTs, which correlated with changes in plasma membrane functions.

Medical subject headings