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[Changes in the electrical characteristics of the internal surface of cytoplasmic membrane of bacteria Escherichia coli after the binding of microdoses of copper ions by its external surface]
[Article in Russian]
Volodina LA, Baider LM, Burbaev DSh.
The effect of microdoses of copper ions bound with the external surface of the cytoplasmic membrane of Escherichia coli spheroplasts on the charge density of its superficial structures was investigated by the ESR method. Positively charged spin probes of KAT(n)-type and the newly synthesized KAT15 were used. The experimental data were analyzed using the formalism of Gouy-Chapman theory. The binding of microdoses of copper ions by the external surface of the cytoplasmic membrane changed the value of charge density on the membrane internal surface.
PMID: 16521558 [PubMed - indexed for MEDLINE]
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