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DuPont-led scientists unveil key nanotechnology discovery with use of DNA

Researchers developed a technique using single-stranded DNA to separate and sort metallic and semiconducting carbon nanotubes, enabling uniform conductivity and advancing nanoelectronic applications. The discovery in the journal Science has significant implications for developing sensitive medical diagnostic devices and mini-transistors.

SourceDuPont·JournalScience·DateDec 2, 2003
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Tiny tubes have a big future

Researchers have reported the highest and most stable electron emission densities observed to date, desirable for flat-panel displays and microwave amplifiers. The carbon nanotubes' sharp tip and chemical robustness contribute to their superior stability and uniform emission.

SourceOffice of Naval Research·JournalApplied Physics Letters·DateOct 6, 1999
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