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810600P Avanti

16:0-12 Doxyl PC

1-palmitoyl-2-stearoyl-(12-doxyl)-sn-glycero-3-phosphocholine, powder

  • CAS Number 217499-54-2

  • Empirical Formula (Hill Notation) C46H90N2O10P

  • Molecular Weight 862.19

  •  NACRES NA.25

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Properties

Related Categories Avanti Polar Lipids Products, Avanti Stable Isotopes & ESR Probes, Biochemicals and Reagents, Lipids
assay   >99% (TLC)
form   powder
packaging   pkg of 1 × 1 mg (810600P-1mg)
mfr. no.   Avanti Polar Lipids, 810600P
shipped in   dry ice
storage temp.   −20°C

Description

General description

Avanti′s nitroxide spin product listing is a group of compounds designed to act as membrane probes. A variety of positions down the hydrophobic chain are labeled with the nitroxide functional groups to allow probing the membrane at various depths. These compounds have been synthesized from 1-palmitoyl-2-hydroxy-sn-glycerol-3-phosphocholine with the product being purified by column chromatography. Various n-doxyl phosphocholines have been recently used as biophysical tools to elucidate membrane trafficking with phosphatidylinositol transfer proteins and as fluorescent quenchers in lipid bilayer structural studies.

Phosphatidylcholine (PC) is a strong bilayer-forming lipid. It the most common phospholipid in mammalian membranes. It is also an important component of the mucosal layer of the colon. 1-palmitoyl-2-stearoyl-(12-doxyl)-sn-glycero-3-phosphocholine (12-NO-PC) is a nitroxide-labeled phospholipid.

Application

16:0-12 Doxyl PC is suitable for use:
• as a lipophilic collisional quencher to prepare liposomes used in lipophilic quenching experiments
• to prepare liposomes used in nitroxide quenching experiments to examine the location of each NBD (7-nitrobenz-2-oxa-1,3-diazole) probe in mutants
• as a component in POPC or 1:1 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine (POPC)/1-palmitoyl-2-oleoyl-sn-glycero-3-phospho-rac-1-glycerol (POPG) mixtures to prepare unlabelled large unilamellar liposomes

Biochem/physiol Actions

Phosphatidylcholine (PC) functions as a surfactant within the mucus to form a hydrophobic surface to inhibit bacterial penetrance. It is used to treat fat embolism. Phosphatidylcholine lowers the levels of cholesterol and triglycerides.

Packaging

5 mL Clear Glass Sealed Ampule (810600P-1mg)

Preparation Note

To prevent aggregation, prepare water-based solutions of 2 mM stock solutions of n-DOXYL PCs and store in plastic. Dilute stock solutions to 0.03- 0.1 mM solutions for EPR studies. For liposome preparations in fluorescent quenching measurements, dissolve the doxyl lipid in 150 μl absolute ethanol for a concentration of 40.3 mM. href="https://pubs.acs.org/doi/suppl/10.1021/ja804929m/suppl_file/ja804929m_si_001.pdf"target="_blank">Supplemental information

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport

Documents

Certificate of Analysis (COA)

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Protocols & Articles

Articles

Storage & Handling of Lipids - Avanti® Polar Lipids

The following statements pertain specifically to Avanti’s lipid products for research and should not necessarily be applied to cGMP lipids intended for pharmaceutical or diagnostic applications.
Keywords: Diagnostic, Oxidations, Pharmaceutical, Solvents

Protocols

General Lipid/BSA Solubilization Protocol For Cell Delivery

Water Solutions: Solubilizing some lipids is difficult using organic solvents. Typically, lipids are suspended in methanol to aliquot, the methanol is then dried and the residue dispersed using fatty...
Keywords: Evaporation, Solvents

Peer-Reviewed Papers
15

References

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