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Penn engineers create carbon nanopipettes that are smaller than cells and measure electric current
Date:1/15/2008

p>Just as important as the mechanical properties of carbon nanopipettes, however, is the ease of fabrication, said Michael Schrlau, a doctoral candidate and first author of the study, Carbon Nanopipettes for Cell Probes and Intracellular Injection, published in the most recent issue of Nanotechnology. After depositing a carbon film inside quartz micropipettes, we wet-etch away the quartz tip to expose a carbon nanopipe. We can simultaneously produce hundreds of these integrated nanoscale devices without any complex assembly, he said.

The next challenge for researchers is fully utilizing the new tools in nanosurgery.

"We will need to go beyond the proof-of-concept, development stage into the utilization stage," Schrlau said. "This includes finding the appropriate collaborations across engineering, life science and medical disciplines."


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Contact: Jordan Reese
jreese@upenn.edu
215-573-6604
University of Pennsylvania
Source:Eurekalert  

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Penn engineers create carbon nanopipettes that are smaller than cells and measure electric current
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