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Home > News > Carbon nanotube array senses DNA

May 2nd, 2003

Carbon nanotube array senses DNA

Abstract:
Scientists at the NASA Ames Research Center, US, have developed an array of multiwalled carbon nanotubes that can detect low levels of DNA. An array just 20 Ám square can detect less than one million copies of target oligonucleotide, a sensitivity comparable to laser-based fluorescence techniques.

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