Skip to Content
MilliporeSigma
All Photos(1)

Documents

68221

Sigma-Aldrich

Abberior® STAR 440SXP, NHS ester

for long Stokes STED and 2-color STED application

Sign Into View Organizational & Contract Pricing


About This Item

UNSPSC Code:
12352108
NACRES:
NA.32

assay

≥80.0% (degree of coupling)

form

solid

mol wt

Mw 597.5 g/mol

solubility

DMF: 1 mg/mL, clear

fluorescence

λex 440 nm; λem 511 nm±10 nm in PBS, pH 7.4

storage temp.

−20°C

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)

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.

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

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service