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AZDye 594 Picolyl Azide (CCT-1296)

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This product was previously sold as 1108 from Fluoroprobes.

Description

AZDye™ 594 Picolyl Azide is an advanced fluorescent probe that incorporates a copper-chelating motif to raise the effective concentration of Cu(I) at the reaction site to boost the efficiency of the CuAAC reaction, resulting in a faster and more biocompatible CuAAC labeling. Up to 40-fold increase of signal intensity, compared to conventional azides, was reported (see Selected References).

In addition, the use picolyl azides instead of conventional azides allows for at least a tenfold reduction in the concentration of the copper catalyst without sacrificing the efficiency of labeling, significantly improving biocompatibility of CuAAC labeling protocol.

In summary, the introduction of a copper-chelating motif into azide probe leads to a substantial increase in the sensitivity and reduced cell toxicity of CuAAC detection alkyne-tagged biomolecules. This will be of special value for the detection of low abundance targets or living system imaging.

AZDye™ 594 is bright, water-soluble, and pH-insensitive from pH 4 to pH 10 red-fluorescent dye with absorption and emission maxima at 590 and 617 nm, respectively. It can be used with the 561 nm and 594 nm laser lines. AZDye™ 594 dye structurally is identical to Alexa Fluor® 594. Its absorption/emission spectra is a perfect match to spectra of many other fluorescent dyes based on sulfonated rhodamine core, including CF® 594 Dye, DyLight® 594 and Alexa Fluor® 594.

Specifications

Unit Size1 mg, 5 mg, 25 mg
Abs/Em Maxima590/617 nm
Extinction Coefficient
88,000
Flow Cytometry Laser Line
561 nm or 594 nm
Microscopy Laser Line
594 nm
Spectrally Similar DyesAlexa Fluor® 594, CF® 594, DyLight® 594
Molecular weight925.00 (protonated)
CASN/A
SolubilityWater, DMSO, DMF
Purity>95% (HPLC)
AppearanceRed solid
Storage Conditions-20°C. Desiccate
Shipping ConditionsAmbient temperature

Abs/Em Spectra

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Selected References

  1. Jiang, H., et al. (2014). Monitoring Dynamic Glycosylation in Vivo Using Supersensitive Click Chemistry. Bioconjugate Chem.,25, 698-706. [PubMed]
  2. Uttamapinant, C., et al. (2012). Fast, Cell-Compatible Click Chemistry with Copper-Chelating Azides for Biomolecular Labeling. Angew. Chem. Int. Ed,.51, 5852-56. [PubMed]
  3. Gaebler, A.,et al. (2016). A highly sensitive protocol for microscopy of alkyne lipids and fluorescently tagged or immunostained proteins. J. Lipid. Res., 57, 1934-47. [PubMed]

Applicable patents and legal notices are available at legal notices.

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