Bulletin of the American Physical Society
2006 APS March Meeting
Monday–Friday, March 13–17, 2006; Baltimore, MD
Session B29: Focus Session: Micro-Organism Motility
11:15 AM–2:15 PM,
Monday, March 13, 2006
Baltimore Convention Center
Room: 326
Sponsoring
Units:
DBP GSNP
Chair: Udo Erdman, Humboldt University
Abstract ID: BAPS.2006.MAR.B29.8
Abstract: B29.00008 : Impact of Helicobacter Pylori on Mucus Rheology*
1:03 PM–1:15 PM
Preview Abstract
Abstract
Authors:
Jonathan Celli
(Boston University)
Sarah Keates
Ciaran Kelly
Bradley Turner
(Beth Israel Deconess Medical Center)
Rama Bansil
Shyamsunder Erramilli
(Boston University Department of Physics)
It is well known that the viscoelastic properties of gastric mucin are crucial to the protection of the lining of the stomach against its own acidic secretions and other agents. Helicobacter Pylori, a rod shaped, gram-negative bacteria that dwells in the mucus layer of approximately 50{\%} of the world's population is a class I carcinogen and is associated with gastric ulcers and severe gastritis. The structural damage to the mucus layer caused by H. Pylori is an important aspect of infection with this bacteria. We are examining the impact of H. Pylori on mucin and mucus rheology quantitatively using a combination of dynamic light scattering and multiple particle tracking experiments. Video microscopy data will also be presented on the motility of this bacteria in mucin at different pH and in other viscoelastic gels.
*We gratefully acknowledge support from the NSF, the NSF GK12 program, and the DOD.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2006.MAR.B29.8
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