Abstract
The parameters of controlling the separation of erythrocyte and lymphocyte cells were studied; the possibility of rapid (minutes) separation of blood cells into fractions in the field of a standing ultrasound wave was shown. Seven main control parameters were identified; they were related to the energy of the field of the standing ultrasonic wave, the linear pumping rate of the cell suspension, the geometric dimensions of the cells, the ratio of cell densities and suspending media, and the ratio of ultrasound velocities in the cell material and suspending media. It was shown that under effective temperature control of the chambers of the ultrasonic separation and concentration systems with a suspension of cells, it is possible to significantly (by more than an order of magnitude) reduce the time of separation and concentration of cells not only of different types, but also of similarly-sized cells of the same type isolated from the blood of different animal species.
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All applicable international, national and institutional principles for the care and use of animals in the performance of work have been observed. The procedures performed in the study with the participation of people corresponded to the ethical standards of the Helsinki Declaration of 1964 and its subsequent amendments. Informed voluntary consent to participate in the study was previously obtained from all participants.
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Translated by E. Puchkov
Abbreviations: LUS, longitudinal ultrasonic selection.
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Pashovkin, T.N., Sadikova, D.G. Control Parameters for Separation and Concentration of Rat Erythrocytes and Lymphocytes and Human Erythrocytes in the Field of a Standing Ultrasonic Wave. BIOPHYSICS 67, 445–450 (2022). https://doi.org/10.1134/S0006350922030174
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DOI: https://doi.org/10.1134/S0006350922030174