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53399

Sigma-Aldrich

Anti-Rabbit IgG−Abberior® STAR 635P antibody produced in goat

for STED application

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Synonym(s):
Abberior® STAR 635P-Anti-Rabbit IgG antibody produced in goat
UNSPSC Code:
12352200
NACRES:
NA.45

biological source

goat

antibody form

affinity isolated antibody

antibody product type

secondary antibodies

clone

polyclonal

form

buffered aqueous solution

species reactivity

rabbit

concentration

~1 mg/mL

fluorescence

λex 638 nm; λem 651 nm in PBS, pH 7.4

storage temp.

−20°C

General description

Abberior STAR 635P was the first member of an entirely new class of fluorescent dyes introduced exclusively by Abberior: the class of phosphorylated fluorescent dye. The dye excels in its photophysical parameters: it is very bright, very stable and it enables basically background free imaging. The dye works exceptionally well with Abberior Instruments STEDYCON und Expert line microscopes and Leica STED microscopes. Abberior STAR 635P can substitute Atto 647N, Alexa Fluor 647, or Cy®5. It can be excited with lasers at wavelength between 630 - 650 nm. For STED, a depletion wavelength around 750 - 800 nm is recommended. Abberior STAR 635P is the ideal partner for Abberior STAR 580 to obtain optimal 2 Color STED results. Best results are obtained with freshly prepared samples.

Photophysical properties (carboxylic acid):
Absorption Maximum, λex [nm]: 638 (PBS pH 7.4), 638 (H2O), 634 (MeOH)
Extinction Coefficient, εmax [M-1cm-1]: 120 000 (PBS pH 7.4), 120 000 (H2O), 130 000 (MeOH)
Correction Factor, CF260 = ε260max: 0,21 (PBS pH 7.4)
Correction Factor, CF280 = ε280max: 0,40 (PBS pH 7.4)
Fluorescence Maximum, λem [nm]: 651 (PBS pH 7.4), 651 (H2O), 651 (MeOH)
Recommended STED Wavelength, λ [nm]: 750-800
Fluorescence Quantum Yield, λ: 0,90 (PBS pH 7.4)
Fluorescence Lifetime, τ [ns]: 3,3 (PBS pH 7.4)

Suitability

Designed and tested for fluorescent super-resolution microscopy

Analysis Note

May contain significant amounts of BSA as stabilizer
unconjugated dye ≤5% of total fluorescence

Legal Information

ALEXA FLUOR is a trademark of Life Technologies
Atto is a trademark of Atto-Tec GmbH
Cy is a registered trademark of Cytiva
abberior is a registered trademark of Abberior GmbH

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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