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41348

Sigma-Aldrich

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

for STED application

Synonyme(s) :

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

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About This Item

Code UNSPSC :
12352200
Nomenclature NACRES :
NA.45

Source biologique

goat

Niveau de qualité

Forme d'anticorps

affinity isolated antibody

Type de produit anticorps

secondary antibodies

Clone

polyclonal

Forme

buffered aqueous solution

Espèces réactives

rabbit

Concentration

~1 mg/mL

Fluorescence

λex 635 nm; λem 655 nm in PBS, pH 7.4

Température de stockage

−20°C

Description générale

Abberior STAR 635 is a dye developed for STED and confocal imaging in the red spectral region. It features exceptional photostability, very high brightness and low background labeling. The dye works extremely well with Abberior Instruments STEDYCON and Expert Line microscopes and Leica STED microscopes. Abberior STAR 635 can substitute dyes like 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. Best results are obtained with freshly prepared samples.


Photophysical properties (carboxylic acid):
Absorption Maximum, λex [nm]: 635 (PBS pH 7.4), 635 (H2O), 635 (MeOH)
Extinction Coefficient, εmax [M-1cm-1]: 110 000 (PBS pH 7.4), 110 000 (H2O), 115 000 (MeOH)
Correction Factor, CF260 = ε260max: 0,26 (PBS pH 7.4)
Correction Factor, CF280 = ε280max: 0,38 (PBS pH 7.4)
Fluorescence Maximum, λem [nm]: 655 (PBS pH 7.4), 655 (H2O), 656 (MeOH)
Recommended STED Wavelength, λ [nm]: 750-800
Fluorescence Quantum Yield, λ: 0,88 (PBS pH 7.4)
Fluorescence Lifetime, τ [ns]: 2,8 (PBS pH 7.4)

Application

Abberior STAR 635 particularly well suits the Abberior Instruments 2-color 775nm STED microscope and the Leica TCS STED system. It delivers high-resolution STED images with very low background signal due to its improved water solubility and exceptional brightness. The dye serves as an ideal partner for several 2-color STED packages.

Adéquation

Designed and tested for fluorescent super-resolution microscopy

Remarque sur l'analyse

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

Informations légales

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

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Produit(s) apparenté(s)

Code de la classe de stockage

12 - Non Combustible Liquids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable


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Laura D Hughes et al.
PloS one, 9(2), e87649-e87649 (2014-02-08)
Water-soluble organic fluorophores are widely used as labels in biological systems. However, in many cases these fluorophores can interact strongly with lipid bilayers, influencing the interaction of the target with the bilayer and/or leading to misleading fluorescent signals. Here, we
Arnaud P Giese et al.
Development (Cambridge, England), 139(20), 3775-3785 (2012-09-20)
Vangl2 is one of the central proteins controlling the establishment of planar cell polarity in multiple tissues of different species. Previous studies suggest that the localization of the Vangl2 protein to specific intracellular microdomains is crucial for its function. However
Femmy C Stempels et al.
The Journal of cell biology, 222(7) (2023-05-18)
Endosomal Sorting Complex Required for Transport (ESCRT) proteins can be transiently recruited to the plasma membrane for membrane repair and formation of extracellular vesicles. Here, we discovered micrometer-sized worm-shaped ESCRT structures that stably persist for multiple hours at the plasma
Novel red fluorophores with superior performance in STED microscopy.
Wurm, C.A., et al.
Optical Nanoscopy, 1, 7-7 (2012)
Tobias Müller et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 13(8), 1986-2000 (2012-03-01)
For about a decade, superresolution fluorescence microscopy has been advancing steadily, maturing from the proof-of-principle stage to routine application. Of the various techniques, STED (stimulated emission depletion) microscopy was the first to break the diffraction barrier. Today, it is a

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