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30558

Sigma-Aldrich

Abberior® STAR 635, NHS ester

for STED application

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Synonym(s):
super-resolution Microscopy
UNSPSC Code:
12352108
NACRES:
NA.32

Quality Level

concentration

≥50.0% (degree of coupling)

solubility

DMF: 0.25 mg/mL, clear

fluorescence

λex 635 nm; λem 655 nm±10 nm in PBS, pH 7.4

storage temp.

−20°C

General description

Absorption Maximum, λmax: 635 nm (PBS, pH 7.4)
Extinction Coefficient, ε(λmax): 110,000 M-1cm-1 (PBS, pH 7.4)
Correction Factor, CF260 = ε260/εmax: 0.26 (PBS, pH 7.4)
Correction Factor, CF280 = ε280/εmax: 0.38 (PBS, pH 7.4)
Fluorescence Maximum, λfl: 656 nm (aq. acetonitrile; MeOH)
655 nm (PBS, pH 7.4)
Recommended STED Wavelength, λSTED: 750 −780 nm
Fluorescence Quantum Yield, η: 0.88 (PBS, pH 7.4)
Fluorescence Lifetime, τ: 2.8 (PBS, pH 7.4)

Application

  • Abberior STAR 635 goat anti-rabbit antibody has been used for STED (stimulated emission depletion) imaging of primary cultured striatal neurons obtained from rats.
  • Abberior STAR 635 anti-rabbit antibody has been used for STED imaging of non-sensory supporting cells obtained from cochlea of rats and mice.
  • Abberior STAR 635 conjugated with secondary antibody has been used for STED imaging of microtubules in cells.

Suitability

Designed and tested for fluorescent super-resolution microscopy

Legal Information

6538 is a trademark of American Type Culture Collection
abberior is a registered trademark of Abberior GmbH

related product

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Hans Blom et al.
PloS one, 8(9), e75155-e75155 (2013-09-24)
The phosphoprotein DARPP-32 (dopamine and cyclic adenosine 3´, 5´-monophosphate-regulated phosphoprotein, 32 kDa) is an important component in the molecular regulation of postsynaptic signaling in neostriatum. Despite the importance of this phosphoprotein, there is as yet little known about the nanoscale
Jenu Varghese Chacko et al.
Journal of biomedical optics, 19(10), 105003-105003 (2014-10-08)
Atomic force microscopes (AFM) provide topographical and mechanical information of the sample with very good axial resolution, but are limited in terms of chemical specificity and operation time-scale. An optical microscope coupled to an AFM can recognize and target an
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
Marcus Dyba et al.
Nature biotechnology, 21(11), 1303-1304 (2003-10-21)
We report immunofluorescence imaging with a spatial resolution well beyond the diffraction limit. An axial resolution of approximately 50 nm, corresponding to 1/16 of the irradiation wavelength of 793 nm, is achieved by stimulated emission depletion through opposing lenses. We
T A Klar et al.
Optics letters, 24(14), 954-956 (2007-12-13)
We overcame the resolution limit of scanning far-field fluorescence microscopy by disabling the fluorescence from the outer part of the focal spot. Whereas a near-UV pulse generates a diffraction-limited distribution of excited molecules, a spatially offset pulse quenches the excited

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