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. Author manuscript; available in PMC: 2010 Jan 1.
Published in final edited form as: Anal Chem. 2009 Jan 1;81(1):80–86. doi: 10.1021/ac802348r

Figure 1.

Figure 1

Nanopore fabrication and electrical properties. a. Sealed glass ball (100 μm in radius) enclosing a nanocavity on the pipette terminal. b. External etching from bottom-up with electrical monitoring. c. Perforation on nanocavity terminal and nanopore formation. d. 20 min recording of nanopore current (+200 mV, 1 M NaCl).