QSY-21 is a powerful fluorescence quencher designed for applications in fluorescence resonance energy transfer (FRET). It exhibits broad absorption in the far red and near-infrared range, with a notable absorption maximum at 661 nm, enabling efficient quenching of fluorescence from dyes such as Cyanine5, Cyanine5.5, and AF 647. As a carboxylic acid derivative, QSY-21 is essential for studies requiring precise control of fluorescent signals, making it a valuable tool in various biochemical and cellular research applications.
QSY-21 is a powerful fluorescence quencher designed for applications in fluorescence resonance energy transfer (FRET). It exhibits broad absorption in the far red and near-infrared range, with a notable absorption maximum at 661 nm, enabling efficient quenching of fluorescence from dyes such as Cyanine5, Cyanine5.5, and AF 647. As a carboxylic acid derivative, QSY-21 is essential for studies requiring precise control of fluorescent signals, making it a valuable tool in various biochemical and cellular research applications.
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