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Title: New Technique Sorts Nanotubes by Length
Description: In a schematic of NIST's length separation technique for carbon nanotubes (l.), the nanotubes start at the bottom of a dense fluid. When spun in a centrifuge, the nanotubes begin to migrate through the fluid driven by their buoyancy, but the longer ones move faster, spreading them out by length. Photos (r.) shows a typical sample at the start and after 94 hours of spinning at 1257 radians per second (roughly 12,000 RPM.)

*MSEL
Subjects (names):
Topics/Categories: Nanotechnology--Nanomanufacturing
Type: Graphic/illustration
Source: National Institute of Standards and Technology
Credit Line as it should
appear in print:
Credit: NIST
AV Number: 08MSEL008
Date Created: May 2008
Date Entered: 5/13/2008

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