PLLA-PEG-COOH, MW x 1K, n 1K provides a biodegradable, carboxyl-functionalized block copolymer for drug delivery, nanoparticle formulation, and biomaterials research and specifically combines poly(L-lactic acid) (PLLA, 1 kDa) with polyethylene glycol (PEG, 1 kDa) and a terminal carboxyl group. This amphiphilic polymer supports nanoparticle assembly, surface functionalization, and biomolecular conjugation.
Key Features and Benefits
- Biodegradable Block Copolymer: Combines biodegradable PLLA with hydrophilic PEG to support drug delivery and advanced biomaterial applications.
- Defined Molecular Weight: Features a 1 kDa PLLA block and a 1 kDa PEG block for polymer formulation and characterization studies.
- Terminal Carboxyl Functionality: Provides a reactive COOH group specifically for covalent attachment of amine-containing molecules and targeting ligands.
- Amphiphilic Structure: Combines hydrophobic PLLA and hydrophilic PEG segments to specifically support polymer self-assembly and nanoparticle formation.
- EDC/NHS Coupling Compatibility: Enables carboxyl activation and subsequent conjugation with primary amines through stable amide bond formation.
- Balanced Block Composition: The 1K/1K molecular weight ratio specifically provides equal nominal block masses for investigating polymer hydration, self-assembly, and drug encapsulation.
- Short PEG Segment: The 1 kDa PEG block supports surface hydration and studies of PEG chain length effects on nanoparticle properties.
- Biodegradable PLLA Segment: The short PLLA block provides a hydrophobic component specifically for investigating polymer degradation and controlled release behavior.
- Versatile Functionalization: Supports conjugation of peptides, proteins, targeting ligands, and other amine-functionalized molecules for targeted delivery research.
Applications
- Drug Delivery Research: Supports development of biodegradable polymeric carriers for drug encapsulation and controlled release studies.
- Nanoparticle Formulation: Useful for preparing polymeric nanoparticles and evaluating particle size, stability, and surface characteristics.
- Polymeric Micelle Research: Supports investigation of amphiphilic polymer self-assembly, micelle formation, and hydrophobic compound encapsulation.
- Targeted Drug Delivery: Enables attachment of amine-containing targeting ligands to polymeric delivery systems through carboxyl-mediated conjugation.
- Bioconjugation Research: Useful for EDC/NHS-mediated coupling of peptides, proteins, and other amine-functionalized biomolecules.
- Surface Functionalization: Supports modification of polymer nanoparticles with hydrophilic PEG chains and reactive terminal carboxyl groups.
- Biomaterials Research: Useful for developing biodegradable polymer systems for tissue engineering and biomedical material studies.
- Controlled Release Studies: Supports investigation of PLLA degradation, PEG content, and polymer composition effects on drug release behavior.
- Polymer Characterization: Enables studies of molecular weight, hydrophilic-hydrophobic balance, self-assembly, and physicochemical properties.
Storage and Handling
- Storage: Store at −20°C in a dry, tightly sealed container unless otherwise specified. Protect from moisture and excessive heat to minimize polymer degradation.
- Handling: Handle under dry conditions to minimize moisture exposure. For carboxyl conjugation, use suitable EDC/NHS activation conditions and freshly prepared reaction solutions when appropriate. Select solvents and reaction conditions compatible with both PLLA and PEG segments.
PLLA-PEG-COOH, MW x 1K, n 1K combines a short biodegradable PLLA block with a hydrophilic PEG segment and reactive terminal carboxyl functionality, while its balanced block composition supports nanoparticle development, targeted drug delivery, bioconjugation, controlled release, and advanced biomaterials research.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.