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Optical monitoring of single nanoparticle capture in solid-state nanopore array
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Microsystems Technology.
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2019 (English)Conference proceedings (editor) (Refereed)
Abstract [en]

Solid-state nanopore arrays hold promises for high-throughput optical or electrical analysis of nanoscale entities. Here, we demonstrate an optical monitoring system for investigation of the capture process of single nanoparticles driven by electrophoretic force in a nanopore array. Over 50% of the single nanoparticle capture events are achieved by controlling the applied voltage across the nanopore membrane with a tailored nanopore size. We find that at a certain voltage bias, the capture of single nanoparticles is a self-termination process.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2019.
Keywords [en]
nanopore array, nanoparticle, electrophoresis, optical sensing
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:uu:diva-401156OAI: oai:DiVA.org:uu-401156DiVA, id: diva2:1382990
Conference
IEEE NMDC 2019 14th IEEE Nanotechnology Materials and Devices Conference
Available from: 2020-01-07 Created: 2020-01-07 Last updated: 2020-01-07

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CiteExportLink to record
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Citation style
  • apa
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Output format
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