Protonex™ Red 780 acid
Catalogue Number: 21185-AAT
| Manufacturer: | AAT Bioquest |
| Shelf Life: | 12 months |
| Type: | Fluorophores |
| Shipping Condition: | RT |
| Unit(s): | 1 mg |
Description
Description: Protonex™ Red 780 works by changing its fluorescence intensity depending on the pH of the environment. Protonex™ Red 780 is minimally fluorescent at a basic pH and maximally fluorescent at an acidic pH. When Protonex™ Red 780 is bound to a receptor or an antibody on the cell surface, it is essentially non-fluorescent because the extracellular pH is neutral. However, when the receptor or antibody is internalized into the cell in response to a stimulus, it enters the endosomal pathway, where the pH is acidic. This causes Protonex™ Red 780 to become highly fluorescent and emit near-infrared light when excited by a red laser. By measuring the fluorescence intensity of Protonex™ Red 780, one can monitor the activation and trafficking of receptors or antibodies in live cells. Protonex™ Red 780 is especially useful in studying the activation and trafficking of G protein-coupled receptors (GPCRs), one of the most popular therapeutic drug targets. Protonex™ Red 780 can be used to label any receptor or epitope tag antibody and monitor its movement from the cell surface into acidic endosomes upon agonist stimulation. Protonex™ Red 780 might also be used to measure high-potency agonist and antagonist responses of different GPCRs in live cells.
Additional Text
Storage Note
Freeze (< -15 °C); Minimize light exposure;|12 months
21185 MSDS
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