Propidium Iodide Staining
( http://www.abnova.com ) - Propidium iodide (or PI) is an intercalating agent and a fluorescent molecule that can be used to stain DNA. PI is used as a DNA stain for both flow cytometry to evaluate cell viability or DNA content in cell cycle analysis and microscopy to visualize the nucleus and other DNA containing organelles. It can be used to differentiate necrotic, apoptotic and normal cells. More videos at Abnova http://www.abnova.com
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