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Submit ReviewKey Information: Janelia Fluor® 669, NHS ester is a red fluorescent dye; supplied with an NHS ester reactive group for the labeling of primary amines. Suitable for live cell imaging.
Application: Suitable for confocal microscopy, super resolution microscopy (SRM) techniques including dSTORM (in both live and fixed cells) and STED. Cell permeable.
Properties and Photophysical Data: NHS ester can be converted to relevant substrate for use in self-labeling tag systems, e.g. HaloTag® and SNAP-tag®. Excitation and emission maxima (λ) are 669 nm and 682 nm, respectively; quantum yield = 0.37; extinction coefficient = 116,000 M-1cm-1; A280 correction factor = 0.043. Retains 97% fluorescence after 30 bleaching cycles.
Please see the protocol for further information on protein/antibody labeling and conjugation.
We also offer Janelia Fluor® conjugated antibodies and custom conjugation services.
HaloTag is a trademark of Promega Corporation, and SNAP-tag is a trademark of New England BioLabs, Inc.
Janelia Fluor is a registered trademark of Howard Hughes Medical Institute.
This product has been recently renamed. The previous name for this product was Janelia Fluor® 669, SE.
Applications on Tubulin for Janelia Fluor® 669, NHS ester. Application of Janelia Fluor® 669, NHS ester dye on Tubulin; Left: Microtubules were labeled with anti-alpha -tubulin primary antibodies. The secondary antibodies were conjugated to Janelia Fluor® 669, NHS ester. Maximum intensity projection of confocal z-stack, recorded with an Olympus FV1200 confocal microscope, using 638 nm laser line for JF 669. Right: Enlarged portion of left-hand image. Images kindly provided by Dr Kirstin Elgass, Monash University.
Sold under license from the Howard Hughes Medical Institute, Janelia Research Campus
Emission Color | Far Red |
---|---|
Brightness | |
λabs | 669 nm |
λem | 682 nm |
Extinction Coefficient (ε) | 116,000 M-1cm-1 |
Quantum Yield (φ) | 0.37 |
Closest Laser line | 640 nm |
Reactive Group | NHS ester |
Reactivity | Primary amines |
Cell Permeable | Yes |
Correction Factor 280 | 0.043 |
Application | Confocal Microscopy, Super Resolution Microscopy (SRM) |
Alternative For | Alexa Fluor® 660, Atto 655, Atto 665, CF660R |
Alexa Fluor® is a registered trademark of Molecular Probes, Inc, a Thermo Fisher Scientific Company.
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.
Spectral Viewer分子量 | 693.77 |
公式 | C34H30F3N3O6SSi |
储存 | Store at -20°C |
纯度 | ≥90% (HPLC) |
CAS Number | 2127150-20-1 |
PubChem ID | 132470916 |
InChI Key | QFHKALIQFJQJKE-UHFFFAOYSA-N |
Smiles | C[Si](C1=CC(N2CCC2)=CC=C1C(C3=C(F)C(SCC(ON4C(CCC4=O)=O)=O)=C(F)C(F)=C3C([O-])=O)=C5C=C/6)(C)C5=CC6=[N+]7CCC\7 |
上方提供的技术数据仅供参考。批次相关数据请参见分析证书。
Tocris products are intended for laboratory research use only, unless stated otherwise.
溶剂 | 最高浓度 mg/mL | 最高浓度 mM | |
---|---|---|---|
溶解性 | |||
DMSO | 13.88 | 20 |
以下数据基于产品分子量 693.77。 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.
浓度/溶剂体积/质量 | 1 mg | 5 mg | 10 mg |
---|---|---|---|
0.2 mM | 7.21 mL | 36.03 mL | 72.07 mL |
1 mM | 1.44 mL | 7.21 mL | 14.41 mL |
2 mM | 0.72 mL | 3.6 mL | 7.21 mL |
10 mM | 0.14 mL | 0.72 mL | 1.44 mL |
参考文献是支持产品生物活性的出版物。
Grimm et al (2017) A general method to fine-tune fluorophores for live-cell and in vivo imaging. Nat.Methods 14 987 PMID: 28869757
Grimm et al (2017) General synthetic method for Si-Fluoresceins and Si-Rhodamines. ACS Cent.Sci. 3 975 PMID: 28979939
Grimm et al (2020) A general method to optimize and functionalize red-shifted rhodamine dyes. Nat.Methods 17 815 PMID: 32719532
If you know of a relevant reference for Janelia Fluor® 669, NHS ester, please let us know.
关键词: Janelia Fluor 669, NHS ester, Janelia Fluor 669, NHS ester supplier, JF669-NHS, ester, Janelia, Fluor, 669-NHS, fluorescent, dyes, NHS, self-labeling, tag, systems, microscopy, cell, permeable, super, resolution, 669,, SE, JF, Amine, Reactive, Dyes, 6420, Tocris Bioscience
引用文献是使用了 Tocris 产品的出版物。 Janelia Fluor® 669, NHS ester 的部分引用包括:
Hui et al (2021) EASI-FISH for thick tissue defines lateral hypothalamus spatio-molecular organization. Cell 184 6361-6377.e24 PMID: 34875226
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