The generation of micro-droplets of nutrient medium with living cells by pulsed electrohydrodynamic printing has been studied. In-situ visualization by high-speed camera made it possible to measure the characteristic times of droplet generation process and to determine the optimal printing parameters. Maximal frequency of stable generation was achieved at 700 Hz. This technique was applied successfully for drop-on-demand printing of culture medium with live HeLa cells and yeasts.
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Makaev, A. V., Mingaliev, E. A., Karpov, V. R., Zubarev, I. V., Ya Shur, V., & El’Kina, O. S. (2017). High-speed precise cell patterning by pulsed electrohydrodynamic jet printing. In IOP Conference Series: Materials Science and Engineering (Vol. 256). Institute of Physics Publishing. https://doi.org/10.1088/1757-899X/256/1/012013