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Rhodamine Phalloidin 羅丹明標記鬼筆環肽

Product Uses Include

Stain F-actin in fixed cells

Stabilize actin filaments in vitro

Visualize actin filaments in vitro

Material
Phalloidins usefulness as a laboratory tool is well established and lies in its ability to inhibit microfilament de-polymerization. Thus, phalloidin stabilized microfilaments are used as substrates for the identification and characterization of the ever increasing number of microfilament associated proteins. In addition, rhodamine phalloidin can be used for staining the actin cytoskeleton in cells, and also as a fluorescent marker/stabilizer for microfilaments used in motility assays.

The rhodamine phalloidin is provided as a lyophilized powder. When reconstituted with 500 µl methanol, it is at 14 µM （200 x stock）.

Purity
In keeping with our policy of providing only the highest quality products, we are now pleased to inform you that Cytoskeleton is offering rhodamine phalloidin at a chromatographic purity of >99%. This is the purest phalloidin commercially available for research use.

Biological Activity
We have determined that the microfilament stabilizing property of our product is equal or superior to any other commercially available phalloidins. Microfilaments in 70 nM phalloidin are stable at room temperature for over one week.

Figure 1. A Swiss 3T3 fibroblast stained with rhodamine phalloidin （PHDR1）. The phalloidin binds specifically to F-actin and does therefore stain the actin stress fibers in the cell

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