3.8 Article

Evaluation of Cell Viability and Delivery Efficiency in Electroporation System According to the Concentrations of Propidium Iodide and Yo-Pro-1

Journal

KOREAN CHEMICAL ENGINEERING RESEARCH
Volume 57, Issue 6, Pages 898-906

Publisher

KOREAN INSTITUTE CHEMICAL ENGINEERS
DOI: 10.9713/kcer.2019.57.6.898

Keywords

Fluorescent dye; Propidium Iodide; Yo-Pro-1; Cell viability; Delivery efficiency; Electroporation

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In this study, basic research was conducted to provide guidelines for selecting fluorescent dye and using proper concentration of fluorescent dye to use evaluation of cell viability and fluorescent dye delivery efficiency. Propidium iodide and Yo-Pro-1 were used as fluorescent dyes. In the evaluation of cell viability and the efficiency of delivery using Propidium Iodide and Yo-Pro-1, the histogram of each fluorescent dye was different depending on the type of fluorescent dye and the concentration used. These results were related to the characteristics of the fluorescent dyes used. This was related to the properties of the fluorescent dyes used. From these results, it was found that the analytical results depending on the characteristics of the fluorescent dyes used in the cell analysis. The effect of the fluorescent dye on the cell was confirmed, but it was confirmed that it did not affect the analysis result. In addition, the influence of interference between fluorescent signals was confirmed when two or more kinds of fluorescent dyes were used for analysis. The higher the concentration of Yo-Pro-1 was, the larger the effect of interference was, and the concentration of Propidium Iodide did not affect the interference of fluorescence signal. This study confirmed that the evaluation of the cell viability and the evaluation of the delivery efficiency were influenced by the type and concentration of the fluorescent dyes and it was related to the characteristics of the fluorescent dyes. Based on the results, appropriate concentrations of fluorescent dyes suitable for evaluation of cell viability and delivery efficiency were suggested.

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