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PE-iFluor® 660 Tandem
Tandem dyes are a unique class of fluorescent molecules that consist of two different covalently linked fluorophores, a donor (e.g. PE or APC) and a longer-wavelength emitting fluorescence acceptor (e.g. Texas Red, Cy5, Cy7, iFluor® 594 or iFluor® 750). PE-iFluor® 660 is a new unique tandem color for multicolor applications, in particular, for designing spectral flow cytometric panels. It has been validated with Cytek’s Aurora flow cytometer. AAT Bioquest also offers a unique preactivated PE-iFluor® 660 to facilitate the PE-iFluor® 660 tandem conjugation to antibodies and other proteins such as streptavidin and other secondary reagents. Our preactivated PE- iFluor® 660 tandem is ready to conjugate, giving much higher yield than the conventionally tedious SMCC-based conjugation chemistry.
Flow cytometry analysis of PBMC stained with PE-iFlour® 660 anti-human CD4 *SK3* conjugate. The fluorescence signal was monitored using an Aurora spectral flow cytometer in the PE-iFluor® 660 specific B9-A channel.
Flow cytometry analysis of PBMC stained with PE-iFlour® 660 anti-human CD4 *SK3* conjugate. The fluorescence signal was monitored using an Aurora spectral flow cytometer in the PE-iFluor® 660 specific B9-A channel.
CatalogSize
Price
Quantity
26021 mg
Price
 
Physical properties

SolventWater
Spectral properties

Absorbance (nm)566
Extinction coefficient (cm -1 M -1)
1960000
Excitation (nm)565
Emission (nm)695
Storage, safety and handling

H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22
StorageRefrigerated (2-8 °C); Minimize light exposure
UNSPSC12171501
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Page updated on October 13, 2025