ATTO 520

ATTO 520
ATTO 520
ATTO 520
Preview: ATTO 520
Preview: ATTO 520
Preview: ATTO 520
ATTO 520
Mobile Preview: ATTO 520
Mobile Preview: ATTO 520
Mobile Preview: ATTO 520

Optical Properties

λabs

517

nm

εmax

1.1×105

M-1 cm-1

λfl

538

nm

ηfl

90

%

τfl

3.6

ns

CF260 = ε260max

0.16

 

CF280 = ε280max

0.20

 

ATTO 520 is a novel fluorescent label related to the well-known dye Rhodamine 6G. Characteristic features of the label are strong absorption, high fluorescence quantum yield, and high thermal and photo-stability. The dye is moderately hydrophilic. Above pH 7.0 the dye exists in an equilibrium with a colorless form (pseudobase). This is a reversible reaction, which does not interfere with the process of coupling to proteins etc. On lowering the pH absorption and fluorescence are restored fully. The fluorescence is excited most efficiently in the range 510 - 535 nm. A suitable source of excitation is an Argon-Ion laser using the 514 nm line.

Product No.:
AD 520
from 60,00 EUR

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