ATTO 612Q

ATTO 612Q is a novel fluorescence quencher (energy acceptor in FRET process).

Optical properties

λ _abs = 615 nm
ε _max = 1.15×10⁵ M ^-1 cm ^-1
CF ₂₆₀ = ε ₂₆₀ /ε _max = 0.35
CF 2800 = ε ₂₈₀ /ε _max = 0.60

ATTO 612Q is a novel fluorescence quencher (energy acceptor in FRET process). Characteristic features of the label are strong absorption and high thermal and photo-stability. The dye is moderately hydrophilic. ATTO 612Q is a cationic dye.

After coupling to a substrate the dye carries a net electrical charge of +1. As supplied ATTO 612Q consists of a mixture of two isomers with practically identical absorption.

ATTO-TEC is a wholly owned subsidiary of Leica Microsystems

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