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  2. Rhodamine Phalloidin

Rhodamine Phalloidin 

Cat. No.: HY-K0903
Manual SDS

Rhodamine Phalloidin is Phalloidin conjugated to the fluorescent dye Tetramethylrhodamine. Phalloidin binds F-actins with high selectivity while Rhodamine provides stable and bright orange fluorescence.

Rhodamine Phalloidin
Size Price Stock
300T USD 690 Ask For Quote & Lead Time

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  • Description

  • Storage

  • Protocol

  • Components

  • Documentation

Description
& Advantages

Phalloidin is a mushroom-derived toxin which can be used to specifically label F-actins (actin filaments) of the cytoskeleton. It binds to all variants of actin filaments in many different species of animals and plants. Typically, Phalloidin is used conjugated to a fluorescent dye. Phalloidin binds F-actins with high selectivity while Rhodamine provides stable and bright orange fluorescence.

Rhodamine Phalloidin is 1000× stock solution in DMSO which is convenient for labeling, identifying and quantitating F-actins in formaldehyde-fixed and permeabilized tissue sections, cell cultures or cell-free experiments.

Storage

The solutions should be stable for at least 6 months if store at -20°C.

Protecting from light, and avoid freeze/thaw cycles.

Protocol

1.   Prepare 1× Rhodamine Phalloidin working solution:

Add 1 μL of 1000× Rhodamine Phalloidin DMSO solution to 1 mL of PBS containing with 1% BSA.

Note: 1. Different cell types might be stained differently. The concentration of Rhodamine Phalloidin working solution should be prepared accordingly.

          2. 1% bovine serum albumin (BSA) is used to reduce nonspecific background staining.

2.   Stain the cells:

2.1   Wash cells 2–3 times with PBS. Fix the cells in 3.7% methanol-free formaldehyde solution in PBS for 10-30 minutes at room temperature.

Note: Avoid any methanol containing fixatives since methanol can disrupt actin during the fixation process. The preferred fixative is methanol-free formaldehyde.

2.2   Wash the fixed cells 2–3 times in PBS.

2.3   Optional: Add 0.1% Triton X-100 in PBS into fixed cells for 3–5 minutes to increase permeability. Wash the cells 2–3 times in PBS.

2.4   Add 100 μL/well (96-well plate) of Rhodamine Phalloidin working solution into the fixed cells, and stain the cells at room temperature for 20 to 90 minutes.

2.5   Rinse cells gently with PBS 2–3 times to remove excess Rhodamine Phalloidin.

2.6   Run fluorescence microscope or other equipments at desired Ex/Em wavelengths (Rhodamine Phalloidin, Ex/Em=552/578 nm).

Components
Cat. No. Product Name Ex (nm) Em (nm) Size Package
HY-K0903 Rhodamine Phalloidin 552 578 300 T 30 μL
Documentation

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Rhodamine Phalloidin
Cat. No.:
HY-K0903
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