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J Mol Neurosci. 2000 Jun;14(3):175-82.

Molecular functionalization of carbon nanotubes and use as substrates for neuronal growth.

Author information

1
Sanders-Brown Research Center on Aging and Department of Anatomy and Neurobiology, University of Kentucky, Lexington 40536, USA. mattsonm@grc.nia.nih.gov

Abstract

Carbon nanotubes are strong, flexible, conduct electrical current, and can be functionalized with different molecules, properties that may be useful in basic and applied neuroscience research. We report the first application of carbon nanotube technology to neuroscience research. Methods were developed for growing embryonic rat-brain neurons on multiwalled carbon nanotubes. On unmodified nanotubes, neurons extend only one or two neurites, which exhibit very few branches. In contrast, neurons grown on nanotubes coated with the bioactive molecule 4-hydroxynonenal elaborate multiple neurites, which exhibit extensive branching. These findings establish the feasability of using nanotubes as substrates for nerve cell growth and as probes of neuronal function at the nanometer scale.

PMID:
10984193
DOI:
10.1385/JMN:14:3:175
[Indexed for MEDLINE]
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