AF 568 TCO
| Artikel-Nr. | Packungseinheit | Preis | Vorlaufzeit | Jetzt kaufen |
|---|---|---|---|---|
| 148H0 | 1 mg |
$318.00
|
Auf Lager |
AF 568 TCO is a bright, photostable dye bearing a trans-cyclooctene (TCO) handle for rapid bioorthogonal labeling. It combines the excellent photophysical properties of the AF 568 fluorophore (orange—red emission, high quantum yield, and good photostability) with the fast and selective reactivity of the trans-cyclooctene group.
The TCO moiety undergoes ultrafast strain-promoted IEDDA ligation with tetrazine-functionalized targets, enabling rapid conjugation at low concentrations without copper catalysts and with minimal impact on biological systems.
The dye is well suited for fluorescence microscopy, multicolor imaging, and tracking of tetrazine-tagged proteins, nucleic acids, or small molecules, providing a bright signal with low background in biological samples.
Absorptions- und Emissionsspektren von AF 568
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General properties
| Appearance: | deep-violet crystals |
| Molecular weight: | 1147.51 |
| Molecular formula: | C60H86N6O12S2 |
| Solubility: | DMSO, DMF, water |
| Quality control: | NMR 1H and HPLC-MS (95+%) |
| Storage conditions: | 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate. Avoid prolonged exposure to light. |
| Sicherheitsdatenblatt: | herunterladen |
| Product specifications |
Spectral properties
| Excitation/absorption maximum, nm: | 572 |
| ε, L⋅mol−1⋅cm−1: | 94238 |
| Emission maximum, nm: | 598 |
| Fluorescence quantum yield: | 0.912 |
| CF260: | 0.4 |
| CF280: | 0.32 |
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