A study of the surface charging properties of a standard strain of Escherichia coli (ATCC 11775) in aqueous solutions
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- 作者：Xinpeng Li1 ; Xinkai Xue1 ; Richard M. Pashley1 ; r.pashley@adfa.edu.au" class="auth_mail" title="E-mail the corresponding author
- 关键词：Zeta potential ; Size distribution ; E. coli ; Surface charge ; Cationic surfactants
- 刊名：Colloids and Surfaces B: Biointerfaces
- 出版年：2015
- 出版时间：1 November 2015
- 年：2015
- 卷：135
- 期：Complete
- 页码：811-816
- 全文大小：1242 K
文摘
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The zeta potentials of the E. coli strain ATCC 11775 were measured in a range of different electrolyte solutions.
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A simplified cell surface ionization model was developed to explain the cell surface charging properties in the aqueous solutions.
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Size distribution measurements were used to show that Ca2+ ions did not cause cell adhesion but that cationic surfactants can disrupt the cells.