Flamma® 648 Amine
Cat. No. List below
Description
Key features:
1. Excitation/Emission maxima: 648/663 nm
2. High extinction coefficient: ≥ 250,000 cm?¹M?¹
3. Low CF280: 0.024
4. Primary amine functional group attached through a spacer
5. Blue solid appearance
6. Molecular weight: 726.95 g/mol
7. Soluble in DMF and DMSO
Applications:
1. Bioimaging and fluorescence microscopy
2. Coupling with carboxylic acids on small molecules or biomolecules
3. Protein labeling
4. Nucleic acid tagging
5. Antibody conjugation
6. Peptide modification
7. Potential use in fluorescence-guided surgery
8. Deep-tissue and whole-body imaging
Advantages:
1. Spectral similarity to popular dyes (Alexa647, DyLight650, Cy5)
2. Excellent optical properties when excited with 593 or 633 nm laser lines
3. Versatile coupling options through standard amide bond formation
4. Stable fluorescence signal for extended imaging sessions
5. Minimal interference with protein absorbance measurements
6. High sensitivity for detecting low-abundance biological structures
7. Enhanced tissue penetration and reduced autofluorescence
8. Compatibility with the "near-infrared optical window" (650-950 nm) for improved in vivo imaging
- Fluorophore: Flamma® Fluors 648
- Functional group: Primary amine
- Excitation/Emission Max.(nm): 648/663
- Spectrally similar dyes: Alexa647, DyLight650, Cy5
- Extinction coefficient: ≥ 250,000 cm-1M-1
- CF280: 0.024
- Appearance: Blue Solid
- Molecular Weight: 726.95 g/mol
- Solubility: DMF, DMSO
- Storage conditions: 4 ℃, protect from light
| Quick link (Cat.#) | FSD series | EXmax (nm) | EMmax (nm) | Spectrally similar dyes |
| CWE1001 | Flamma® 496 Amine | 496 | 520 | Alexa488, FITC, Cy2 |
| PWE1122 | Flamma® 552 Amine | 550 | 565 | Alexa555, DyLight549, Cy3, ATTO550 |
| KWE1415 | Flamma® 581 Amine | 578 | 593 | Alexa594, DyLight594 |
| PWE1215 | Flamma® 648 Amine | 648 | 663 | Alexa647, DyLight650, Cy5 |
| PWE1515 | Flamma® 675 Amine | 675 | 691 | Alexa680, DyLight680, Cy5.5, IRDye680LT, CF680 |
| PWE1301 | Flamma® 749 Amine | 749 | 774 | Alexa750, DyLight755, Cy7.5, IRDye750 |
| PWE1603 | Flamma® 774 Amine | 774 | 800 | Cy7.5, DyLight800, IRDye800 |
Background
Flamma® Fluors
BioActs offers a broad range of Flamma® Fluors dyes equipped with variety of reactive and functional groups, which can cover the full spectral range from UV to NIR with their excellent fluorescence performance. Characteristic features of these superior dyes are strong absorption, high fluorescence quantum yield and high photostability. Flamma® dyes maintain good fluorescence activity and stability after conjugation to biomolecules and allow the detection of low-abundance biological structures with great sensitivity. The dyes are compatible with optical conditions of most of fluorescent equipment and are ideal for any applications in biological studies.
- Covering the full spectral range from UV to NIR
- Equipped with a variety of reactive groups: NHS and Sulfo-NHS ester, Vinylsulfone, Maleimide, Click chemistry, isothiocyanate, hydrazide and hydrophobic substances.
- High quantum yields and photostability
- High purity and compatible with most of biomolecules
Exceptional Stability: Generate reliable, long-lasting fluorescence signals for extended imaging experiments.
Versatile Coupling: The primary amine group, attached via a spacer, allows easy conjugation with carboxylic acids on small molecules and biomolecules.
Optimal Spectral Properties: With excitation/emission maxima at 648/663 nm, Flamma® Fluors 648 Amine perfectly aligns with popular far-red imaging techniques.
High Compatibility: Spectrally similar to Alexa 647, Cy5, and DyLight 650, ensuring seamless integration into existing protocols.
Powerful Performance: Boasting an extinction coefficient of ≥ 250,000 cm?¹M?¹, this dye delivers exceptional brightness and sensitivity.
Flamma® Fluors Amine
Flamma® Fluors Amine dyes have an attached primary amine, which connected through a spacer, and can be used as a reference standard for dye-conjugates. These amine dyes can be conjugated with carboxylic acids at small molecules or peptides by standard amide bond coupling conditions.
Figure 1. Absorption (upper) and emission (bottom) spectra overlap of Flamma® Fluors
Figure 2. Immunofluorescence imaging and in situ hybridization imaging
Figure 3. Fluorescence images of Flamma® 749 (upper) and Flamma® 774 (bottom) carboxylic acid injected mouse model
Citation & Reference
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