Manufacturing Industry
Carbon nanoknife enables cutting of biological cells.(EMERGING TECHNOLOGY)
Advanced Materials & Processes, February, 2007
A carbon nanotube knife that would work like a tight-wire cheese slicer that could allow scientists to cut and study cells more precisely than possible today has reportedly been developed by researchers at the National Institute of Standards and Technology and the University of Colorado at Boulder.
Because carbon nanotubes are extremely strong and slender in diameter, they make ideal materials for thinly cutting precise slivers of cells. In particular, scientists might use the nanoknife to make three-dimensional images of cells and tissues for electron tomography, which requires samples less than 300 nanometers thick. [ILLUSTRATION OMITTED] To design the nanoknife, the NIST and CU scientists welded a carbon nanotube between two electrochemically sharpened...
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