TEM imaging of unstained DNA nanostructures using suspended graphene

  • Buckhout-White S
  • Robinson J
  • Bassim N
 et al. 
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Abstract

We demonstrate a method for imaging unstained DNA nanostructures with transmission electron microscopy via suspended graphene supports. Central to the technique is a sacrificial silicon membrane beneath the graphene that provides mechanical support during aqueous sample deposition but is then eliminated in a final step using a XeF2 dry etch.

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Authors

  • Susan Buckhout-White

  • Jeremy T. Robinson

  • Nabil D. Bassim

  • Ellen R. Goldman

  • Igor L. Medintz

  • Mario G. Ancona

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