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F1058

Sigma-Aldrich

FSL-Fluorescein

Synonym(s):

FSL-FLRO4(fluorescein)-SA2-L1

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About This Item

Empirical Formula (Hill Notation):
C73H109N4O15PS
Molecular Weight:
1345.70
UNSPSC Code:
41116100
PubChem Substance ID:
NACRES:
NA.32

Quality Level

storage temp.

−20°C

SMILES string

CCCCCCCC\C=C/CCCCCCCC(=O)OCC(COP(O)(=O)OCCNC(=O)CCCCC(=O)NCCCCCNC(=S)Nc1ccc2c(c1)C(=O)OC23c4ccc(O)cc4Oc5cc(O)ccc35)OC(=O)CCCCCCC\C=C/CCCCCCCC

InChI

1S/C73H109N4O15PS/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-32-40-69(82)87-55-60(90-70(83)41-33-30-28-26-24-22-20-18-16-14-12-10-8-6-4-2)56-89-93(85,86)88-51-50-75-68(81)39-35-34-38-67(80)74-48-36-31-37-49-76-72(94)77-57-42-45-62-61(52-57)71(84)92-73(62)63-46-43-58(78)53-65(63)91-66-54-59(79)44-47-64(66)73/h17-20,42-47,52-54,60,78-79H,3-16,21-41,48-51,55-56H2,1-2H3,(H,74,80)(H,75,81)(H,85,86)(H2,76,77,94)/b19-17-,20-18-

InChI key

OZXSVOLFZKVFHP-CLFAGFIQSA-N

Application

All FSL constructs disperse in biocompatible media and spontaneously and stably incorporate into cell membranes. Cells modified with FSL constructs are known as kodecytes and usually maintain their normal vitality and functionality. FSL-fluorescein has been specifically designed to create fluorescein-labeled live cells (kodecytes) but can also be used to modify other hydrophobic surfaces including fixed cells, virions, and solid phase surfaces. Fluorescein-labeled kodecytes can be visualized at the approximate absorbance wavelength of 488 nm and emission at 518 nm.

Other Notes

FSL-fluorescein is a KODE technology construct designed to label hydrophobic surfaces including living cells with biotin. All FSL constructs consist of three essential designable features:
  • functional component (F)
  • spacer (S)
  • diacyl lipid (L)
FSL-fluorescein is comprised of a fluorescein residue representing F, conjugated via a spacer (SA2) to an an activated adipate derivative of dioleoylphosphatidylethanolamine (L1).
Packaged as 1 mg FSL-Fluorescein with 0.42 mg sodium bicarbonate to improve solubility.

Legal Information

KODE Constructs are supplied by KODE Biotech Materials Limited under license from KODE Biotech Limited.
KODE is a trademark of KODE Biotech Ltd.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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Oncolytic virus (OV) therapy is an emerging cancer treatment that uses replicating viruses to infect and kill tumor cells and incite anticancer immunity. While the approach shows promise, it currently fails most patients, indicating strategies to improve OV activity are

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