概要
Propidium Iodide (PI) is a red-fluorescent cell viability dye which is excluded from live cells with intact membranes, but penetrates dead or damaged cells and binds to DNA and RNA by intercalating between the bases. It is widely used as a counterstain to differentiate and exclude non-viable cells in flow cytometric analyses, and can be excited using blue (488 nm), green (532 nm), or yellow-green (561 nm) laser lines, with detection in the FL2 or FL3 channels. PI is used in DNA fluorescence imaging applications to discriminate early and late stages of apoptosis, to study cell‐mediated cytotoxicity, and for chromosome analysis. It is also commonly used in quantitative DNA assays.
技术资料
Document Type | 产品名称 | Catalog # | Lot # | 语言 |
---|---|---|---|---|
Product Information Sheet | Propidium Iodide | 75002 | All | English |
Safety Data Sheet | Propidium Iodide | 75002 | All | English |
数据及文献
Data
Figure 1. (A) Flow cytometry analysis of human peripheral blood mononuclear cells (PBMCs) labeled with Propidium Iodide
(B) Chemical structure of Propidium Iodide.