ArticleBiophysical journal1998
Interaction of lipophilic ions with the plasma membrane of mammalian cells studies by electrorotation.
Article in Biophysical journal, 1998. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Proximity-induced electrodeformation and membrane capacitance coupling between cells.European biophysics journal : EBJ · 2021Article
- Single-cell mechanical analysis and tension quantification via electrodeformation relaxation.Physical review. E · 2021Article
- Measurement of dipole potential in bilayer lipid membranes by dielectric spectroscopy.The Journal of membrane biology · 2014Article
- A combined patch-clamp and electrorotation study of the voltage- and frequency-dependent membrane capacitance caused by structurally dissimilar lipophilic anions.The Journal of membrane biology · 2008Article
- Surviving high-intensity field pulses: strategies for improving robustness and performance of electrotransfection and electrofusion.The Journal of membrane biology · 2005Article
- Phloretin-induced changes of lipophilic ion transport across the plasma membrane of mammalian cells.Biophysical journal · 2001Article
- Effect of fluorine substitution on the interaction of lipophilic ions with the plasma membrane of mammalian cells.Biophysical journal · 2000Article
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Authors and funding
7 authors.
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Abstract
The electrical properties of biological and artificial membranes were studied in the presence of a number of negatively charged tungsten carbonyl complexes, such as [W(CO)5(CN)]- , [W(CO)5(NCS)]-, [W2(CO)10(CN)]-, and [W(CO)5(SCH2C6H5)]-, using the single-cell electrorotation and the charge-pulse relaxation techniques. Most of the negatively charged tungsten complexes were able to introduce mobile charges into the membranes, as judged from electrorotation spectra and relaxation experiments. This means that the tungsten derivatives act as lipophilic anions. They greatly contributed to the polarizability of the membranes and led to a marked dielectric dispersion (frequency dependence of the membrane capacitance and conductance). The increment and characteristic frequency of the dispersion reflect the structure, environment, and mobility of the charged probe molecule in electrorotation experiments with biological membranes. The partition coefficients and the translocation rate constants derived from the electrorotation spectra of cells agreed well with the corresponding data obtained from charge-pulse experiments on artificial lipid bilayers.
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