PLGA-mPEG, MW x 2K, n 5K provides a biodegradable amphiphilic block copolymer for nanoparticle formulation and drug delivery research and specifically combines a 2 kDa poly(lactic-co-glycolic acid) (PLGA) block with a 5 kDa methoxy polyethylene glycol (mPEG) chain. Its PEG-rich composition supports polymer self-assembly, surface hydration, and investigations of biodegradable drug delivery systems.
Key Features and Benefits
- 2 kDa PLGA Block: Provides a short biodegradable hydrophobic polyester segment for polymer self-assembly, drug encapsulation, and controlled-release research.
- 5 kDa mPEG Block: Introduces a substantial hydrophilic PEG segment that specifically contributes to aqueous compatibility, surface hydration, and dispersion properties.
- Amphiphilic Structure: Combines hydrophobic PLGA and hydrophilic mPEG segments to specifically support polymeric self-assembly under suitable formulation conditions.
- Biodegradable Backbone: Contains hydrolytically degradable ester bonds that enable investigations of polymer degradation, matrix erosion, and drug release behavior.
- PEG-Rich Composition: Features a nominal 2:5 PLGA-to-mPEG molecular weight ratio, providing approximately 71.4% PEG by combined block mass.
- Methoxy-Terminated PEG: Incorporates a methyl ether terminus without a dedicated reactive conjugation group, supporting preparation of PEG-containing polymeric materials.
- High Hydrophilic Content: Provides substantial PEG functionality for investigating aqueous dispersion, polymer hydration, aggregation, and colloidal stability.
- Controlled-Release Potential: Supports biodegradable polymer formulations specifically for evaluating drug diffusion, polymer hydrolysis, and release behavior.
- Formulation Versatility: Accommodates solvent exchange, nanoprecipitation, and emulsification methods for investigating polymeric nanoparticles and other self-assembled structures.
Applications
- Polymeric Nanoparticle Development: Supports investigation of biodegradable nanocarriers containing short hydrophobic PLGA domains and substantial hydrophilic mPEG segments.
- Polymeric Micelle Research: Enables evaluation of amphiphilic polymer self-assembly, micelle formation, and aggregation under suitable aqueous conditions.
- Hydrophobic Drug Encapsulation: Supports studies of compatible, poorly water-soluble compounds within PLGA-containing polymeric formulations.
- Controlled Drug Release: Facilitates investigations of drug diffusion, polymer degradation, and release kinetics in biodegradable delivery systems.
- Drug Delivery Research: Supports development of amphiphilic polymer carriers for encapsulating and delivering compatible therapeutic research compounds.
- Nanoparticle Surface Engineering: Enables evaluation of PEG-rich surfaces and their effects on hydration, protein interactions, and colloidal stability.
- Polymer Degradation Studies: Supports characterization of PLGA hydrolysis, molecular weight reduction, and degradation-dependent drug release behavior.
- Biodegradable Biomaterials: Provides an amphiphilic polymer building block for developing experimental biodegradable materials and evaluating their properties.
- Polymer Composition Research: Supports comparisons of PLGA-to-PEG ratios and their effects on self-assembly, drug loading, and formulation stability.
Storage and Handling
- Storage: Store at −20°C in a dry, tightly sealed container, protected from moisture and excessive heat. Follow product-specific storage instructions when available. Minimize humidity exposure to reduce premature PLGA hydrolysis.
- Handling: Handle using clean, dry equipment and dissolve in a compatible solvent, such as acetone, DMF, DMSO, or dichloromethane. Confirm solubility before selecting the formulation method.
- Investigate nanoparticle or micelle formation through solvent exchange, nanoprecipitation, or emulsification, depending on the desired formulation characteristics. The nominal 2:5 PLGA-to-mPEG ratio provides approximately 71.4% PEG by combined block mass. This high hydrophilic fraction may influence polymer solubility, self-assembly, drug loading, and dispersion behavior.
- Evaluate particle size, aggregation, drug loading, and release characteristics using suitable analytical techniques. The short PLGA block may limit hydrophobic core formation under certain conditions. Avoid prolonged exposure to moisture, strong acids, and alkaline conditions. Confirm the PLGA lactide-to-glycolide ratio and polymer specifications before use.
PLGA-mPEG, MW x 2K, n 5K combines a short biodegradable PLGA block with a longer hydrophilic mPEG segment and specifically supports polymeric self-assembly, micelle research, nanoparticle formulation studies, and biodegradable drug delivery development.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.