1,2-Dioleoyl-sn-glycero-3-phosphoethanolamine (DOPE) CAS 4004-05-1: Comprehensive User Guide
Table of Contents
1. Product Overview & Specifications
CAS No.: 4004-05-1
Molecular Formula: C41H78NO8P
Molecular Weight: 744.03 g/mol
Appearance: White to off-white lyophilized powder
Purity: ≥99% (HPLC)
Storage: -20°C, desiccated
Comparative Analysis with Similar Phospholipids
Parameter | DOPE | DOPC | DOTAP |
---|---|---|---|
Head Group | Phosphoethanolamine | Phosphocholine | Trimethylammonium propane |
Phase Transition Temp. | -16°C | -17°C | N/A (cationic) |
Primary Applications | Fusogenic lipid for gene delivery | Membrane stability | Nucleic acid complexation |
2. Applications of DOPE
- Drug Delivery Systems: Enhances endosomal escape in lipid nanoparticles (LNPs).
- Gene Transfection: Critical component in non-viral gene delivery formulations.
- Liposome Research: Used to create pH-sensitive vesicles for targeted release.
- Vaccine Development: Stabilizes mRNA in COVID-19 vaccines and other RNA therapeutics.
3. Usage Guidelines
- Formulation: Mix with cholesterol and ionizable lipids at 20:30:50 molar ratio for LNPs.
- Hydration: Use pH 4.0 citrate buffer for optimal vesicle formation.
- Extrusion: Pass through 100nm polycarbonate membranes ≥5 times.
- Storage: Lyophilize with cryoprotectants for long-term stability.
4. Case Studies
Case 1: mRNA Vaccine Stabilization
A pharmaceutical company achieved 85% mRNA encapsulation efficiency by combining DOPE with DMG-PEG 2000, significantly improving vaccine thermostability.
Case 2: Cancer siRNA Delivery
Researchers used DOPE:DOTAP (3:1) complexes to deliver survivin siRNA, achieving 70% tumor growth inhibition in murine models.
5. Customer Success Stories
Moderna Therapeutics
Utilized DOPE in COVID-19 mRNA-1273 vaccine development to enhance endosomal escape efficiency by 40% compared to competing formulations.
BioNTech SE
Integrated DOPE into personalized cancer vaccine platforms, achieving 90% transfection efficiency in dendritic cells.
Arcturus Therapeutics
Developed LUNAR®-COV19 lipid nanoparticles with DOPE, demonstrating 5°C improvement in thermal stability over industry standards.
6. Request a Quotation
Our DOPE products offer:
- GMP-grade batches available
- Custom lipid conjugation services
- Technical support from PhD-level scientists
Contact our lipid experts:
Email: info@vivalr.com
Phone: (86) 15866781826