Method for analysis of electrospray for gene transfer and the impact on cell viability of A549 alveolar epithelial like cells.

Hradetzky, David; Boehringer, Stephan; Ruzgys, Paulius; Satkauskas, Saulius; Geiser, Thomas; Gazdhar, Amiq (2018). Method for analysis of electrospray for gene transfer and the impact on cell viability of A549 alveolar epithelial like cells. IEEE Engineering in Medicine and Biology Society conference proceedings, 2018, pp. 5725-5728. IEEE Service Center 10.1109/EMBC.2018.8513643

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Electrospray is a process based on creation and acceleration of small sized droplets based on electrostatic repulsion. Spraying plasmid containing liquids this process may be used to transfer genes into cells. Within this paper we report on a method for accessing and evaluating the spray modalities using high speed imaging system with a post processing of image data to obtain estimated volume and velocity of emerging droplets first. Second we investigate on the impact of different media on the spray modalities. Third we evaluate the impact of the spray on cell viability and on transfection efficiency of an eGFP plasmid as reporter gene obtained in an in vitro setup on alveolar epithelial like cells (A549).

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