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Search Publications by: Kenneth A. Rubinson (Ctr)

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Displaying 1 - 15 of 15

Solution Structures of Bacillus Anthracis Protective Antigen Proteins using Small Angle Neutron Scattering and Protective Antigen 63 Ion Channel Formation Kinetics

December 11, 2021
Author(s)
Ariel Michelman-Ribeiro, Kenneth A. Rubinson, Vitalii Silin, John J. Kasianowicz
We are studying the structures of bacterial toxins that form ion channels and catalyze macromolecule transport across membranes. For example, the crystal structure of the Staphylococcus aureus α-hemolysin (α-HL) channel in its functional state was

Heparin's Solution Structure Determined by Small-Angle Neutron Scattering

September 26, 2016
Author(s)
Kenneth A. Rubinson, Yin Chen, Brady F. Cress, Fuming Zhang, Robert J. Linhardt
Heparin is a linear, anionic polysaccharide that is widely used as a clinical anticoagulant. Despite its discovery 100 years ago in 1916, the solution structure of heparin remains unknown. The solution shape of heparin has not previously been examined in

One-Dimensional Ionic Self-Assembly in a Fluorous Solution: The Structure of Tetra-n-butylammonium tetrakis[3,5-bis(perfluorohexyl)phenyl]borate in Perfluoromethylcyclohexane by Small-Angle Neutron Scattering (SANS)

April 14, 2016
Author(s)
Kenneth A. Rubinson, Philippe Buhlmann, Thomas C. Allison
Fluorous liquids are the least polarizable condensed phases known, and their nonpolar members form solutions with conditions the closest to being in vacuo. A soluble salt consisting of a large fluoroborate anion, tetrakis[3,5-bis(perfluorohexyl)phenyl

Self-Assembled Monolayers of an Oligo(ethylene oxide) Disulfide and its Corresponding Thiol Assembled From Water: Characterization and Protein Resistance

February 5, 2008
Author(s)
David J. Vanderah, Marlon L. Walker, Mark A. Rocco, Kenneth A. Rubinson
The self-assembled monolayers (SAMs) of the ?-methyl oligo(ethylene oxide) disulfide [S(CH2CH2O)6CH3]2, [S(EO)6]2 {OEO disulfide}, on Au from 95 % ethanol and from water are described. Spectroscopic ellipsometry and reflection-absorption infrared

Single Molecule Mass Spectrometry in Solution Using a Solitary Nanopore

May 15, 2007
Author(s)
Joseph W. Robertson, Claudio G. Rodrigues, Oleg V. Krasilnikov, Vincent M. Stanford, Kenneth A. Rubinson, John J. Kasianowicz
A solitary protein nanometer-scale pore provides the basis for single molecule mass spectrometry in solution. Individual poly(ethylene glycol) molecules of different mass that enter a nanopore cause distinct and statistically resolved conductance states

Cryosalts: Suppression of Ice Formation in Macromolecular Crystallography

August 1, 2000
Author(s)
Kenneth A. Rubinson, Jane E. Ladner, M Tordova, G L. Gilliland
Quality data collection for macromolecular cryocrystallography requires suppressing the formation of crystalline or microcrystalline ice that may result from flash-freezing crystals. Described here is the use of lithium formate, lithium chloride, and other