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Key Product Details
| Description: | Yellow dye (Reactive group: NHS ester). Applications: super resolution microscopy, confocal and live cell imaging |
| Alternative Names: | JF 525,NHS |
| Chemical Name: | 3,6-Di-1-(3,3-difluoroazetidinyl)-9-[2-carboxy-5-[[(2,5-dioxo-1-pyrrolidinyl)oxy]carbonyl]phenyl]xanthylium, inner salt |
| Molecular Weight: | 623.51 |
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Biological Activity for Janelia Fluor® 525, SE
Janelia Fluor® 525, SE is a yellow fluorescent dye; supplied as an NHS ester for coupling to primary amine groups. NHS ester can be converted to relevant substrate for use in self-labeling tag systems, e.g. HaloTag® and SNAP-tag®. Suitable for confocal fluorescent imaging and super resolution microscopy (SRM) techniques, such as dSTORM (live and fixed cells). Can be multiplexed for two color imaging with Janelia Fluor® 635 SE (Cat. No. 6419). Cell permeable. Excitation maximum = 525 nm; emission maximum = 549 nm; quantum yield = 0.91; Extinction coefficient = 122,000 M-1cm-1; Correction factor A280 = 0.185.
Please see the protocol for further information on protein/antibody labeling and conjugation.
We also offer Janelia Fluor® conjugated antibodies and custom conjugation services with our sister company Novus Biologicals.
HaloTag is a trademark of Promega Corporation, and SNAP-tag is a trademark of New England BioLabs, Inc.
Licensing Information
Sold under license from the Howard Hughes Medical Institute, Janelia Research Campus
Optical Data for Janelia Fluor® 525, SE
| Emission Color | Yellow |
|---|---|
| Brightness | |
| λabs | 525 nm |
| λem | 549 nm |
| Extinction Coefficient (ε) | 122,000 M-1cm-1 |
| Quantum Yield (φ) | 0.91 |
| Closest Laser line | 488 nm |
| Reactive Group | NHS ester |
| Reactivity | Primary amines |
| Cell Permeable | Yes |
| Application | Confocal imaging, Super resolution microscopy |
| Alternative For | Alexa Fluor® 532, Alexa Fluor® 514, Atto 532, CF514, CF532 |
Alexa Fluor® is a registered trademark of Molecular Probes, Inc, a Thermo Fisher Scientific Company.
Plan Your Experiments
Use our spectra viewer to interactively plan your experiments, assessing multiplexing options. View the excitation and emission spectra for our fluorescent dye range and other commonly used dyes.
Spectra Viewer
Citations for Janelia Fluor® 525, SE
Please visit our Instrument Citation Database to search our collection of scientific articles that feature our instruments.
