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68221

Sigma-Aldrich

Abberior® STAR 440SXP, NHS ester

for long Stokes STED and 2-color STED application

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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 Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

68221-1MG:
68221-1MG-BULK:


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’.

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