| 摘要 |
The application relates to methods for producing islands of functionality within nanoscale apertures. Islands of functionality can be produced by growing an aperture constriction layer from the walls, functionalizing the exposed base of the aperture, then removing the aperture constriction layer. The aperture constriction layer can be produced, for example, by anodically growing an oxide layer onto a cladding through which the aperture extends. The islands of functionality can be used to bind a single molecule of interest, such as an enzyme within the nanoscale aperture.
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