PLGA-mPEG, MW x 5K, n 1K provides a biodegradable amphiphilic block copolymer for nanoparticle formulation and controlled drug delivery research and specifically combines a 5 kDa poly(lactic-co-glycolic acid) (PLGA) block with a 1 kDa methoxy polyethylene glycol (mPEG) chain. Its PLGA-rich composition supports hydrophobic drug encapsulation, while the short PEG segment contributes hydrophilic functionality and nanoparticle surface hydration.
Key Features and Benefits
- 5 kDa PLGA Block: Provides a biodegradable hydrophobic polyester segment for nanoparticle formation, drug encapsulation, and controlled-release formulation research.
- 1 kDa mPEG Block: Introduces a short hydrophilic PEG chain that specifically contributes to nanoparticle surface hydration and aqueous dispersion properties.
- Amphiphilic Structure: Combines hydrophobic PLGA and hydrophilic mPEG segments to support polymeric self-assembly under suitable formulation conditions.
- Biodegradable Backbone: Contains hydrolytically degradable ester bonds that specifically enable investigations of polymer degradation, matrix erosion, and drug release behavior.
- PLGA-Rich Composition: Features a nominal 5:1 PLGA-to-mPEG molecular weight ratio, providing substantial hydrophobic content for drug encapsulation research.
- Methoxy-Terminated PEG: Incorporates a methyl ether terminus without a dedicated reactive conjugation group, supporting preparation of PEG-containing polymeric materials.
- Short Hydrophilic Segment: Enables researchers to investigate how reduced PEG chain length influences nanoparticle hydration, surface interactions, aggregation, and colloidal stability.
- Controlled-Release Potential: Supports biodegradable polymer matrices specifically for evaluating drug diffusion, polymer hydrolysis, and sustained-release behavior.
- Formulation Versatility: Accommodates nanoprecipitation, solvent exchange, and emulsification methods for developing polymeric nanoparticles and other self-assembled structures.
Applications
- Polymeric Nanoparticle Development: Supports preparation of biodegradable nanocarriers containing hydrophobic PLGA domains and short hydrophilic mPEG segments.
- Hydrophobic Drug Encapsulation: Enables incorporation of compatible, poorly water-soluble compounds into PLGA-containing polymeric formulations.
- Controlled Drug Release: Supports investigations of drug diffusion, polymer degradation, and matrix erosion in biodegradable delivery systems.
- Drug Delivery Research: Facilitates development of amphiphilic polymer carriers for encapsulating and delivering compatible therapeutic research compounds.
- Polymeric Micelle Research: Enables investigation of self-assembly, micelle formation, and polymer aggregation under suitable aqueous formulation conditions.
- Nanoparticle Surface Engineering: Supports evaluation of short PEG chains and their effects on particle hydration, protein interactions, and colloidal stability.
- Polymer Degradation Studies: Enables 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, and 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.
- Prepare nanoparticles or micelles through nanoprecipitation, solvent exchange, or emulsification, depending on the desired formulation characteristics. The nominal 5:1 PLGA-to-mPEG ratio provides approximately 16.7% PEG by combined block mass, maintaining a predominantly hydrophobic composition.
- Evaluate particle size, aggregation, drug loading, and release characteristics using suitable analytical techniques. 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 5K, n 1K combines biodegradable PLGA with short-chain mPEG for polymeric nanoparticle and biomaterials research and specifically supports polymeric self-assembly, hydrophobic drug encapsulation, controlled-release studies, nanoparticle characterization, and biodegradable material development.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.