Bulletin of the American Physical Society
APS March Meeting 2011
Volume 56, Number 1
Monday–Friday, March 21–25, 2011; Dallas, Texas
Abstract: S1.00006 : The effect of ion beam sculpted nanopore size and shape on DNA translocation
Author:
Solid state nanopore based devices can sense single biomolecules in their
native environment. Nanopore thickness plays a crucial role in the signal to
noise ratio of current blockades caused by biomolecule translocation and
ultimately limits the spatial resolution of the nanopore device when
discriminating small features on DNA and protein molecules. Low energy ion
beam irradiation can create nanometer size pores in very thin membranes
10-20 nm thick, but to date ion beam sculpted nanopores have shown current
blockades smaller than predicted from pores of this thickness. We use
electron energy loss spectroscopy and energy filtered transmission electron
microscopy to study ion beam sculpted nanopore geometry in detail and
determine its effect on conductance blockades and I-V curves. Current
blockades from pores thinned by chemical etching and ion beam sputtering
will also be presented.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2011.MAR.S1.6
Follow Us |
Engage
Become an APS Member |
My APS
Renew Membership |
Information for |
About APSThe American Physical Society (APS) is a non-profit membership organization working to advance the knowledge of physics. |
© 2021 American Physical Society
| All rights reserved | Terms of Use
| Contact Us
Headquarters
1 Physics Ellipse, College Park, MD 20740-3844
(301) 209-3200
Editorial Office
1 Research Road, Ridge, NY 11961-2701
(631) 591-4000
Office of Public Affairs
529 14th St NW, Suite 1050, Washington, D.C. 20045-2001
(202) 662-8700