Fluorescent Labels and Dyes - ATTO-TEC GmbH

Fluorescent Labels
ATTO 680
Features:
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λabs = 680 nm
εmax = 1.25 x 105 M-1 cm-1 λfl = 700 nm
Modifi cation MW, g/mol M + , g/mol Unit Order Code
with free COOH 631 526
NHS-ester 828 623
maleimide 1024 648
biotin derivative 1123 836
300 400 500 600 700 800 900 1000
wavelength, nm
1 mg
5 mg
1 mg
5 mg
1 mg
5 mg
1 mg
5 mg
AD 680-21
AD 680-25
AD 680-31
AD 680-35
AD 680-41
AD 680-45
AD 680-71
AD 680-75
Other conjugates with, e.g. streptavidin, sec. antibodies, phalloidin etc. on request.
absorbance
Solvent: Water
ηfl = 30 % CF = 0.30
260
τfl = 1.8 ns CF = 0.17
280
High fl uorescence yield
Excellent thermal and photostability
Electron transfer quenching of fl uorescence by guanine, tryptophan, etc.
Very hydrophilic
Good solubility in all polar solvents
Zwitterionic dye
fluorescence
Modifi cation MW, g/mol M + , g/mol Unit Order Code
with free COOH 575 566
NHS-ester 837 663
42 43
absorbance
λabs = 700 nm
εmax = 1.2 x 105 M-1 cm-1 λfl = 719 nm
300 400 500 600 700 800 900 1000
wavelength, nm
maleimide 971 688
biotin derivative 973 876
Fluorescent Labels
Solvent: Water
ηfl = 25 % CF = 0.26
260
τfl = 1.5 ns CF = 0.41
280
Features:
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fluorescence
1 mg
5 mg
1 mg
5 mg
1 mg
5 mg
1 mg
5 mg
ATTO 700
High fl uorescence yield
Excellent thermal and photostability
Electron transfer quenching of fl uorescence by guanine, tryptophan, etc.
Very hydrophilic
Good solubility in all polar solvents
Zwitterionic dye
AD 700-21
AD 700-25
AD 700-31
AD 700-35
AD 700-41
AD 700-45
AD 700-71
AD 700-75
Other conjugates with, e.g. streptavidin, sec. antibodies, phalloidin etc. on request.