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  • Title: Colloidal particles coated and stabilized by DNA-wrapped carbon nanotubes.
    Author: Hobbie EK, Bauer BJ, Stephens J, Becker ML, McGuiggan P, Hudson SD, Wang H.
    Journal: Langmuir; 2005 Nov 08; 21(23):10284-7. PubMed ID: 16262277.
    Abstract:
    Single-walled carbon nanotubes (SWNTs) are dispersed in water via wrapping with short segments of single-stranded DNA (ssDNA). Small angle neutron scattering suggests a power-law exponent that is consistent with clustered nanotubes and hence marginal stability. The SWNT-ssDNA complex is used to stabilize dispersions of hydrophilic colloidal particles with the nanotubes adhered to the surface of the colloids. Near-infrared fluorescence microscopy demonstrates the interfacial band-gap fluorescence of these SWNT-coated particles, suggesting potential routes to novel platforms and applications.
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