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Electrophoresis. 2006 Feb;27(3):650-60.

Nonstationary electroosmotic flow in open cylindrical capillaries.

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  • 1Institute of Colloid Chemistry and Water Chemistry of National Academy of Sciences of Ukraine, Kiev, Ukraine.


A theoretical model of the EOF established in a wide capillary after the application of a stepwise voltage has been developed. Both periodical and aperiodical flow regimes were studied with arbitrary pulse/pulse or pulse/pause durations and amplitudes. The numerical analysis performed for a few types of periodical regimes showed the peculiarities of the profiles of liquid velocity and its displacement both for the transition to the stationary regime and for the quasi-stationary periodical and aperiodical regimes.

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