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You searched on: Author: john kasianowicz

Displaying records 11 to 20 of 64 records.
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11. Electrical Measurement-Based Mass Spectrometry for Detection of Pathogenic Bacteria
Published: 9/27/2010
Authors: John J Kasianowicz, Joseph William Robertson, Vitalii Ivanovich Silin, Joseph E. Reiner

12. Nanopore-based Single Molecule Determination of Polymer-cation Binding and Membrane Protein Dynamics
Published: 8/24/2010
Authors: Joseph E. Reiner, John J Kasianowicz, Joseph William Robertson
Abstract: Polyethylene glycol (PEG) is a ubiquitous charge-neutral polymer having several useful properties. It has been used to estimate the diameter of functioning nanopores. In this talk I will describe how the detailed analysis of PEG induced current block ...

13. Nanopore-based Single Molecule Determination of Polymer-cation Binding and Membrane Protein Dynamics
Published: 8/24/2010
Authors: Joseph E. Reiner, John J Kasianowicz, Joseph William Robertson

14. Theory for Polymer Analysis Using Nanopore-based Single-molecule Mass Spectrometry
Published: 6/1/2010
Authors: Joseph E. Reiner, John J Kasianowicz, Brian Joseph Nablo, Joseph William Robertson
Abstract: Nanometer-scale pores have demonstrated potential as a tool for the electrical detection and characterization of molecules. To provide a physical basis for nanopore-based analytical metrology, we show that a simple model quantitatively describes how ...

15. Ultrasensitive Detection of Biowarfare Agents with Single Molecule Mass Spectrometry
Published: 5/27/2010
Authors: Joseph William Robertson, John J Kasianowicz, Joseph E. Reiner

16. Probing Single Nanometer-Scale Pores with Polymeric Molecular Rulers
Published: 4/2/2010
Authors: Sarah E Henrickson, Edmund A DiMarzio, Qian Wang, Vincent M Stanford, John J Kasianowicz
Abstract: It has been shown that individual molecules of single stranded DNA can be driven electrophoretically through a single Staphylococcus aureus ?-hemolysin ion channel. Polynucleotides thread through the channel as extended chains and the polymer-induced ...

17. On the electronic detection, characterization and quantification of biomarkers with single nanopores
Published: 11/19/2009
Author: John J Kasianowicz

18. Rectification of the Ionic Current through Carbon Nanotubes by Electrostatic Assembly of Polyelectrolytes
Published: 9/16/2009
Authors: Neal R Scruggs, Joseph William Robertson, John J Kasianowicz, Kalman D Migler
Abstract: Rectification of the ionic current flowing through nanotubes embedded in a polymeric membrane is achieved by selective adsorption of polycations to the nanotubes mouths. A one-dimensional model of ionic flux through a nanotube with charged entranc ...

19. Structure of Functional Staphylococcus aureus ¿-Hemolysin Channels in Tethered Bilayer Lipid Membranes
Published: 2/2/2009
Authors: D. McGillivray, Gintaras Valincius, Frank Heinrich, Joseph William Robertson, David J. Vanderah, W. Febo-Ayala, I. Ignatjev, M. Losche, John J Kasianowicz

20. Sizing the Bacillus anthracis PA63 Channel with Nonelectrolyte Poly(ethylene glycols)
Published: 8/1/2008
Authors: Brian Joseph Nablo, Kelly Halverson, Joseph William Robertson, Tam Nguyen, Rekha Panchal, Rick Gussio, Sina Bavari, Oleg V Krasilnikov, John J Kasianowicz
Abstract: Non-electrolyte polymers of poly(ethylene glycol), PEG, were used to estimate the diameter of the ion channel formed by Bacillus anthracis protective antigen 63, PA63. Based on the ability of different molecular weight PEGs to partition into the pore ...

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  • SP 250-XX: Calibration Services
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