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Single-wall carbon nanotubes of precisely defined type and use thereof

  • US 20040038251A1
  • Filed: 03/04/2003
  • Published: 02/26/2004
  • Est. Priority Date: 03/04/2002
  • Status: Abandoned Application
First Claim
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1. A detection method comprising:

  • a) dispersing a plurality of nanotubes in a suspending medium wherein at least some of the nanotubes are individually dispersed and have a coating to prevent association with other nanotubes;

    b) exposing the individually-suspended nanotubes to a species, wherein the species interact with the individually-suspended nanotubes in such a manner that electronic properties of the individually-suspended nanotube are altered;

    c) irradiating the nanotubes with light that will cause individually-dispersed semiconducting nanotubes to fluoresce in near-infrared radiation; and

    d) monitoring the near-infrared fluorescence emitted from the individually-suspended nanotubes, wherein the emitted fluorescence is correlated with an amount of the species interacting with the individually-suspended nanotubes.

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