Poly(L-Glutamic Acid)-PEG-N₃ (pGlu-PEG-N₃)

Price range: $400.00 through $1,600.00

Poly(L-Glutamic Acid)-PEG-N₃ (pGlu-PEG-N₃) is a biodegradable block copolymer consisting of poly(L-glutamic acid) (pGlu) and polyethylene glycol (PEG) with a terminal azide (N₃) group. The azide functionality enables efficient click chemistry with alkyne- and DBCO-containing molecules, while the poly(L-glutamic acid) backbone provides multiple pendant carboxylic acid groups for drug conjugation and biomolecule attachment. pGlu-PEG-N₃ is widely used in drug delivery, click chemistry, nanoparticle engineering, hydrogel synthesis, and biomaterials research.

Alternative Name: pGlu-PEG-N₃, pGlu-PEG-Azide, Poly(L-Glutamic Acid)-PEG-Azide
PEG Molecular Weight: Custom
pGlu Molecular Weight: Custom
Functional Groups: Poly(L-Glutamic Acid), PEG, Terminal Azide (N₃)
Appearance: White to off-white powder or lyophilized solid
Solubility: Water, PBS, aqueous buffers
Storage: -20°C, dry and protected from light
Purity: Typically ≥95%

Azide-PEG-poly(L-glutamic acid)

 

Description

General Description

Poly(L-Glutamic Acid)-PEG-N₃ is a multifunctional amphiphilic block copolymer designed for bioorthogonal conjugation and advanced drug delivery applications. The terminal azide group readily participates in copper-catalyzed azide-alkyne cycloaddition (CuAAC) with terminal alkynes and strain-promoted azide-alkyne cycloaddition (SPAAC) with strained alkynes such as DBCO and BCN, allowing highly selective conjugation under mild conditions.

The biodegradable poly(L-glutamic acid) segment contains multiple pendant carboxylic acid groups that can be activated using EDC/NHS chemistry for conjugation with proteins, peptides, antibodies, drugs, nanoparticles, and imaging agents. The PEG segment improves water solubility, biocompatibility, circulation time, and reduces nonspecific protein adsorption.

The combination of a biodegradable pGlu block, a hydrophilic PEG spacer, and a terminal azide group makes pGlu-PEG-N₃ an excellent material for polymer-drug conjugates, targeted nanoparticles, hydrogels, molecular imaging, and advanced biomaterials.

Applications

  • Click chemistry (CuAAC)
  • Copper-free click chemistry (SPAAC)
  • Drug conjugation
  • Polymer-drug conjugates
  • Nanoparticle functionalization
  • Hydrogel synthesis
  • Protein and peptide conjugation
  • Surface modification
  • Molecular imaging
  • Biomaterials research

Features and Benefits

  • Terminal azide functionality
  • Amphiphilic block copolymer
  • Biodegradable poly(L-glutamic acid) segment
  • Hydrophilic PEG spacer
  • Multiple pendant carboxylic acid groups
  • Compatible with CuAAC and SPAAC chemistry
  • Compatible with EDC/NHS coupling
  • Available in multiple polymer compositions

Additional information

Poly(L-glutamic acid) MW

3000, 7500

PEG MW

2000, 5000

Package size

100mg, 500mg