Chandraprabha, M. N. ; Modak, J. M. ; Natarajan, K. A. (2009) Soft-particle model analysis of effect of LPS on electrophoretic softness of Acidithiobacillus ferrooxidans grown in presence of different metal ions Colloids and Surfaces B: Biointerfaces, 69 (1). pp. 1-7. ISSN 0927-7765
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S09277...
Related URL: http://dx.doi.org/10.1016/j.colsurfb.2008.10.006
Abstract
The effect of surface lipopolysaccharides (LPS) on the electrophoretic softness and fixed charge density in the ion-penetrable layer of Acidithiobacillus ferrooxidans cells grown in presence of copper or arsenic ions have been discussed. The electrophoretic mobility data were analyzed using the soft-particle electrophoresis theory. Cell surface potentials of all the strains based on soft-particle theory were lower than those estimated using the conventional Smoluchowski theory. Exposure to metal ions increased the surface electrophoretic softness with decrease in the fixed charge density. Effect of cell surface lipopolysaccharides on the model parameters are investigated and discussed.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Soft-particle Model; Acidithiobacillus ferrooxidans; Surface Potential; Lipopolysaccharide |
| ID Code: | 24502 |
| Deposited On: | 29 Nov 2010 08:46 |
| Last Modified: | 08 Jun 2011 08:58 |
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