title: Translocation of single-wall carbon nanotubes through solid-state nanopores.
abstract: We report the translocation of individual single-wall carbon nanotubes (SWNTs) through solid-state nanopores. Single-strand DNA oligomers are used to both disperse the SWNTs in aqueous solution and to provide them with a net charge, allowing them to be driven through the nanopores by an applied electric field. The resulting temporary interruptions in the measured nanopore conductance provide quantitative information on the diameter and length of the translocated nanotubes at a single-molecule level. Furthermore, we demonstrate that the technique can be utilized to monitor bundling of SWNT in solution by using complementary nucleotides to induce tube-tube agglomeration.
authors.affiliation: Kavli Institute of Nanoscience, Delft Technical University, 2628 CJ Delft, The Netherlands. adam.hall@uncg.edu
authors.forename: Adam R
authors.initials: AR
authors.lastname: Hall
authors.forename: Johannes M
authors.initials: JM
authors.lastname: Keegstra
authors.forename: Matthew C
authors.initials: MC
authors.lastname: Duch
authors.forename: Mark C
authors.initials: MC
authors.lastname: Hersam
authors.forename: Cees
authors.initials: C
authors.lastname: Dekker
mesh_terms: D004247:DNA / Q000737:chemistry*; D037742:Nanotubes, Carbon / Q000737:chemistry*; D010316:Particle Size; D012996:Solutions; D013499:Surface Properties; D014867:Water / Q000737:chemistry
chemical_list: D037742:Nanotubes, Carbon; D012996:Solutions; D014867:Water; D004247:DNA