Description
General Description
DMG-PEG is an amphiphilic PEGylated lipid conjugate containing dimyristoyl glyceride (DMG, C14:0) and polyethylene glycol (PEG). Due to its shorter lipid chains and dynamic membrane behavior, DMG-PEG is commonly used in lipid nanoparticle (LNP) formulations to provide transient PEG shielding, improve colloidal stability, and enhance formulation performance.
Key Properties
- PEGylated glyceride lipid conjugate
- Dimyristoyl glyceride lipid anchor (C14:0)
- Amphiphilic structure for nanoparticle stabilization
- Improves colloidal stability and circulation properties
- Widely used in LNP and liposome formulations
Applications
- Lipid nanoparticle (LNP) formulations
- Liposome engineering
- mRNA and siRNA delivery
- Drug delivery systems
- Nanomedicine applications
- Biomaterial and nanoparticle stabilization
Functional Overview
The DMG lipid segment enables membrane incorporation, while the PEG chain provides steric stabilization and reduced nanoparticle aggregation. DMG-PEG lipids are frequently used in transiently PEGylated nanoparticle systems due to their relatively rapid lipid desorption kinetics.
Summary
DMG-PEG is a versatile PEGylated glyceride lipid widely used in lipid nanoparticle engineering, nucleic acid delivery, and advanced nanomedicine research applications.









