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Abberior® STAR 440SXP, NHS ester

SIGMA/68221 - for long Stokes STED and 2-color STED application

Product Type: Chemical

Catalog Number PKG Qty. Price Quantity
45-68221-1MG 1 mg
$638.00
1/EA
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assay ≥80.0% (degree of coupling)
fluorescence λex 440 nm; λem 511 nm±10 nm in PBS, pH 7.4
form solid
mol wt Mw 597.5 g/mol
Quality Level 100 
solubility DMF: 1 mg/mL, clear
storage temp. −20°C
Application: • Abberior STAR 440SXP goat anti-mouse antibody has been used for STED (stimulated emission depletion) microscopy imaging of primary hippocampal cells.
• Secondary anti-mouse antibody conjugated with Abberior STAR 440SXP has been used for gated STED microscopy imaging of viral capsid.
• Abberior STAR 440SXP goat anti-rabbit antibody has been used for two-color STED microscopy imaging of olfactory epithelium.
General description: Absorption Maximum, λmax: 433 nm (MeOH)
432 nm (PBS, pH 7.4)
Extinction Coefficient, ε(λmax): 36,000 M-1cm-1 (MeOH)
33,000 M-1cm-1 (PBS, pH 7.4)
Correction Factor, CF260 = ε260/εmax: 0.47 (PBS, pH 7.4)
Correction Factor, CF280 = ε280/εmax: 0.31 (PBS, pH 7.4)
Fluorescence Maximum, λfl: 502 nm (MeOH),
511 nm (PBS, pH 7.4)
Recommended STED Wavelength, λSTED: 590 − 620 nm
Fluorescence Quantum Yield, η: 0.57 (PBS, pH 7.4)
Fluorescence Lifetime, τ: 3.7 ns (PBS, pH 7.4)
Legal Information: 6538 is a trademark of American Type Culture Collection
Legal Information: abberior is a registered trademark of Abberior GmbH
Other Notes: Find more infomation here Abberior® 
Suitability: Designed and tested for fluorescent super-resolution microscopy
RIDADR NONH for all modes of transport
WGK Germany WGK 3
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Purity ≥80.0% (degree of coupling)
Storage Temp. −20°C
UNSPSC 12352108

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