Immobilization of DNA for scanning probe microscopy

  • D. P. Allison
  • , L. A. Bottomley
  • , T. Thundat
  • , G. M. Brown
  • , R. P. Woychik
  • , J. J. Schrick
  • , K. Bruce Jacobson
  • , R. J. Warmack

Research output: Contribution to journalArticlepeer-review

53 Scopus citations

Abstract

Reproducible scanning tunneling microscope and atomic force microscope images of entire molecules of uncoated plasmid DNA chemically bound to surfaces are presented. The chemically mediated immobilization of DNA to surfaces and subsequent scanning tunneling microscope imaging of DNA molecules demonstrate that the problem of molecular instability to forces exerted by the probe tip, inherent with scanning probe microscopes, can be prevented.

Original languageEnglish
Pages (from-to)10129-10133
Number of pages5
JournalProceedings of the National Academy of Sciences of the United States of America
Volume89
Issue number21
DOIs
StatePublished - 1992

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