Highly hydrophilic, alkyne-reactive reagent for click chemistry containing one azide function. Azides react with C≡C triple bonds in either a Cu(I)-catalyzed or Cu-free 1,3-dipolar cycloaddition reaction to a triazole.
Applications
Click Chemistry reagent
Fluorescence intensity and fluorescence polarization-based applications
Fluorescence Resonance Energy Transfer (FRET) applications
Single Molecule Applications – Seta-670 shows extreme low blinking in single molecule measurements
Advantages
Perfectly suited for excitation with the 380, 404, 635, 670-nm diode lasers, LEDs, and UV light
Sensitive; high extinction coefficients and high quantum yields after covalent attachment to biomolecules
Quantum yield is highly increased after covalent and non-covalent association with proteins
pH-insensitive between pH 3 and pH 10
Good aqueous solubility: this label does not alter the solubility of the bioconjugate
Photostability: Higher photostability as compared to Alexa Fluor™ 647 or Cy5TM
Low molecular weight: Seta dyes do not add substantial mass to the conjugates
Ideal for non-radioactive labeling of alkyne-modified proteins, DNA and oligonucleotides